docs: update project status to v4.6 - gravity unification, admin panel improvements

1. member.vue: added onShow to refresh login state when returning from login page

2. manifest.json: bump to v1.0.15

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

.omo/run-continuation/ses_15492f54bffepl01q9FkaRyN28.json

@@ -1,10 +1,10 @@
 {
   "sessionID": "ses_15492f54bffepl01q9FkaRyN28",
-  "updatedAt": "2026-06-16T01:20:56.855Z",
+  "updatedAt": "2026-06-19T07:14:26.627Z",
   "sources": {
     "background-task": {
       "state": "idle",
-      "updatedAt": "2026-06-16T01:20:56.855Z"
+      "updatedAt": "2026-06-19T07:14:26.627Z"
     }
   }
 }

AGENTS.md

@@ -40,7 +40,7 @@ zhiyin/
 | `payment` | 微信支付 v3（Native + JSAPI + 回调） |
 | `progress` | 进步轨迹雷达图 / 打卡日历 / 行业基准 / 岗位匹配 |
 | `contribution` | 面经贡献 + 公司题库（数据飞轮核心） |
-| `schedule` | 定时任务：VIP 过期降级、每日一题推送、微信 token 刷新 |
+| `schedule` | 定时任务：VIP 过期降级、每日一题推送、微信 token 刷新、月度引力值补给 |
 | `share` | 分享链接生成 / 访问追踪 / 积分奖励 |
 | `tts` | 语音合成（TTS） |
 | `admin` | 管理后台 API |
@@ -105,6 +105,10 @@ zhiyin/
 
 ## 三、开发命令
 
+> ⚠️ **构建铁律：必须始终使用 `npm run build:*` 命令，禁止直接调用 `npx uni build` 或 `npx nest build`。**
+> 前端 `npm run build:mp-weixin` 和 `npm run build:h5` 脚本包含头像文件（`avatar-*.png`）复制步骤，
+> 后端 `npm run build` 是 `nest build` 的别名。直接使用 `npx` 会遗漏这些关键步骤，导致线上数字人头像不显示等问题。
+
 ### 后端
 ```bash
 # 路径: backend/
@@ -130,12 +134,12 @@ npm test                   # 前端单元测试（vitest，7 个）
 ### 构建检查
 ```bash
 # 后端构建（注意 OOM：需 NODE_OPTIONS="--max-old-space-size=2048"）
-cd backend && NODE_OPTIONS="--max-old-space-size=2048" npx nest build
+cd backend && npm run build
 ```
 
 ### 部署后端
 ```bash
-cd backend && npx nest build
+cd backend && npm run build
 cp -rf dist/* /www/wwwroot/server/zhiyin/backend/dist/
 cp -r certs /www/wwwroot/server/zhiyin/backend/dist/src/certs
 pm2 restart yhl-backend
@@ -144,7 +148,7 @@ sleep 3 && curl -s http://localhost:3006/api/user/wx-login -X POST -H "Content-T
 
 ### 部署前端 H5
 ```bash
-cd zhiyin-app && npx uni build
+cd zhiyin-app && npm run build:h5
 rm -rf /www/wwwroot/zhiyin.yzrcloud.cn/assets
 cp -r dist/build/h5/index.html /www/wwwroot/zhiyin.yzrcloud.cn/
 cp -r dist/build/h5/assets /www/wwwroot/zhiyin.yzrcloud.cn/
@@ -153,9 +157,11 @@ chown -R www:www /www/wwwroot/zhiyin.yzrcloud.cn/index.html /www/wwwroot/zhiyin.
 grep -oP '["'"'"']([a-zA-Z0-9_-]+\.[a-z]+(\.js|\.css|\.png|\.svg))["'"'"']' /www/wwwroot/zhiyin.yzrcloud.cn/assets/index-*.js | sort -u
 ```
 
-### 小程序上传
+### 小程序上传（先 build 后 upload，两步分开更安全）
 ```bash
 cd zhiyin-app && npm run build:mp-weixin && node scripts/upload-mp.js
+# 注意：build:mp-weixin 已自动复制 avatar-*.png 到 dist/build/mp-weixin/static/
+# 如遇数字人头像不显示，检查是否漏了 cp 步骤，重新用 npm run build:mp-weixin 构建
 ```
 
 ---
@@ -171,26 +177,27 @@ cd zhiyin-app && npm run build:mp-weixin && node scripts/upload-mp.js
 
 ---
 
-## 五、定时任务（3 个 cron，在 schedule 模块）
+## 五、定时任务（4 个 cron，在 schedule 模块）
 
 | 服务 | 周期 | 职责 |
 |------|------|------|
 | `VipExpiryService` | 每日 00:00 | 扫描过期 VIP 并降级为 free 计划 |
 | `DailyQuestionPushService` | 每日 09:00 | 通过微信订阅消息推送每日一题（需配置模板 ID） |
 | `WechatTokenService` | 每 2 小时 | 刷新微信 access_token（缓存到 Redis） |
+| `GravityTopUpService` | 每日 02:00 | 给所有未过期的成长版/冲刺版用户补给月度引力值 |
 
 ---
 
 ## 六、项目状态与开发阶段
 
-**当前**: Phase 0.5 完成，Phase 1（MVP 上线）进行中
+**当前**: Phase 1（MVP 上线）进行中 — v1.0.16
 
 | 阶段 | 状态 | 关键交付 |
 |------|------|---------|
 | Phase 0: 战略升级 | ✅ 完成 | 定价重构（免费 + ¥19.9/月），三层壁垒设计 |
 | Phase 0.5: 壁垒构建 | ✅ 完成 | 数据飞轮（面经贡献+题库），留存入围（进步轨迹+打卡日历+每日一题） |
-| Phase 1: MVP 上线 | 🚧 当前 | 小程序 v1.0.11 已上传、H5 已部署、生产模式已启用、SMTP 邮箱验证码已配置 |
+| Phase 1: MVP 上线 | 🚧 当前 | 小程序 v1.0.16 已上传、引力值体系统一（VIP 不再无限次）、管理后台完善、H5 已部署、生产模式已启用 |
-| Phase 1.5: 商业化 | 📋 规划 | 冲刺版 ¥49.9/月、每日一题定时推送、PMF 验证 |
+| Phase 1.5: 商业化 | 📋 规划 | 引力值运营策略、每日一题定时推送、PMF 验证 |
 | Phase 2: 增强 + 题库 | 📋 规划 | 50+ 校招岗位、技能缺口分析、公司真题库建设 |
 | Phase 3: 秋招冲刺 | 📋 规划 | 高校合作、B 端服务、KOC 推广 |
 
@@ -265,8 +272,9 @@ VITE_APP_NAME=AI磁场
 6. **API 限流**: 100 次/60 秒（在 `app.module.ts` 中配置），注意避免在定时任务和批量操作中被限
 7. **验证码**: 生产模式（`NODE_ENV=production`）使用真实 SMTP 发邮件验证码；非生产模式手机验证码固定为 `123456`、邮件验证码在响应中返回 `devCode`
 8. **MongoDB**: 8 个核心集合 + 2 个分享集合
-9. **api.ts 陷阱**: 对象字面量必须在 `export const apiService = {` 或 `const apiService = { ... export default apiService` 中包裹，否则 uni-app 构建报错 `Expected ";" but found ":"`。git pull 后经常丢失这行声明，需手动补回
+9. **引力值体系**: 所有计划统一走引力值消耗（面试 5、优化 3、下载 2）。VIP 不再免额度，成长版每月 250 引力值，冲刺版每月 600 引力值，每日凌晨 2 点定时补给。免费用户注册送 5 引力值。
-10. **H5 构建 assets 清理**: `assets/` 中的旧 hash 文件不能随意删除——`index-*.js`（主 bundle）动态 import 了所有 page chunk，删除仍在引用的文件会导致浏览器 `NS_ERROR_CORRUPTED_CONTENT`
+10. **api.ts 陷阱**: 对象字面量必须在 `export const apiService = {` 或 `const apiService = { ... export default apiService` 中包裹，否则 uni-app 构建报错 `Expected ";" but found ":"`。git pull 后经常丢失这行声明，需手动补回
+11. **H5 构建 assets 清理**: `assets/` 中的旧 hash 文件不能随意删除——`index-*.js`（主 bundle）动态 import 了所有 page chunk，删除仍在引用的文件会导致浏览器 `NS_ERROR_CORRUPTED_CONTENT`
 11. **管理后台自动验证**: `admin.vue` 中 `onMounted` 自动调用 `doVerify()`，进入后台即检测 JWT 中 `role` 是否为 `admin`，不再需要手动点击"验证管理员身份"按钮
 
 ---
@@ -295,7 +303,7 @@ VITE_APP_NAME=AI磁场
 
 ### Step 4: 测试验证
 ```bash
-cd backend && NODE_OPTIONS="--max-old-space-size=2048" npx nest build
+cd backend && npm run build
 npm test -- --forceExit --detectOpenHandles
 ```
 

backend/scripts/migrate-gravity.ts

@@ -0,0 +1,54 @@
+/**
+ * 引力值迁移脚本
+ * 将现有用户的多维额度合并到 gravity 字段
+ * 公式: gravity = interviewCredits×5 + resumeOptimizeCredits×3 + resumeDownloadCredits×2 + shareCredits×1 + remaining×5
+ * 用法: npx ts-node --project tsconfig.json scripts/migrate-gravity.ts
+ */
+import { NestFactory } from '@nestjs/core'
+import { AppModule } from '../src/app.module'
+import { getModelToken } from '@nestjs/mongoose'
+import { User, UserDocument } from '../src/modules/user/user.schema'
+import { Model } from 'mongoose'
+
+async function bootstrap() {
+  const app = await NestFactory.createApplicationContext(AppModule)
+  const userModel = app.get<Model<UserDocument>>(getModelToken(User.name))
+
+  const total = await userModel.countDocuments().exec()
+  console.log(`Total users: ${total}`)
+
+  let migrated = 0
+  let skipped = 0
+  const cursor = userModel.find().cursor()
+
+  for await (const user of cursor) {
+    const interviewVal = (user.interviewCredits ?? 0) * 5
+    const optimizeVal = (user.resumeOptimizeCredits ?? 0) * 3
+    const downloadVal = (user.resumeDownloadCredits ?? 0) * 2
+    const oldRemainVal = (user.remaining ?? 0) * 5
+    const shareVal = (user.shareCredits ?? 0) * 1
+    const totalGravity = interviewVal + optimizeVal + downloadVal + oldRemainVal + shareVal
+
+    if (totalGravity <= 0 && (user.gravity ?? 0) === 0) {
+      skipped++
+      continue
+    }
+
+    await userModel.findByIdAndUpdate(user._id, {
+      $set: {
+        gravity: Math.max(user.gravity ?? 0, totalGravity),
+        interviewCredits: 0,
+        resumeOptimizeCredits: 0,
+        resumeDownloadCredits: 0,
+        remaining: 0,
+        shareCredits: 0,
+      },
+    }).exec()
+    migrated++
+  }
+
+  console.log(`Migrated: ${migrated}, Skipped (no credits): ${skipped}`)
+  await app.close()
+}
+
+bootstrap().catch(console.error)

backend/src/modules/admin/admin.controller.ts

@@ -113,7 +113,7 @@ export class AdminController {
     expireAt.setDate(expireAt.getDate() + (pricing.plans?.growth?.durationDays || VIP_DURATION_DAYS))
     user.plan = 'growth'
     user.vipExpireAt = expireAt
-    await this.quotaService.setPlanQuota(targetUserId, 'growth', credits)
+    await this.quotaService.setPlanQuota(targetUserId, pricing.plans?.growth?.gravityPerMonth || 250)
     return { success: true, plan: 'growth', expireAt }
   }
 
@@ -122,7 +122,7 @@ export class AdminController {
     if (!userId || !type || amount === undefined) {
       throw new HttpException('参数不完整', HttpStatus.BAD_REQUEST)
     }
-    const validTypes = ['interviewCredits', 'resumeOptimizeCredits', 'resumeDownloadCredits', 'shareCredits']
+    const validTypes = ['interviewCredits', 'resumeOptimizeCredits', 'resumeDownloadCredits', 'shareCredits', 'gravity']
     if (!validTypes.includes(type)) {
       throw new HttpException('无效的额度类型', HttpStatus.BAD_REQUEST)
     }
@@ -291,18 +291,18 @@ export class AdminController {
           } else {
             user.vipExpireAt = expireAt
           }
-          await this.quotaService.setPlanQuota(order.userId, planId, credits)
+          await this.quotaService.setPlanQuota(order.userId, planCfg.gravityPerMonth)
         }
       } else {
         const pricing = await this.pricingService.getConfig()
-        const creditMap: Record<string, number> = {
+        const gravityMap: Record<string, number> = {
-          interview: pricing.interview?.creditsPerPurchase || 1,
+          interview: pricing.gravityRates?.interviewPerUse || 5,
-          optimize: pricing.resumeOptimize?.creditsPerPurchase || 1,
+          optimize: pricing.gravityRates?.optimizePerUse || 3,
-          download: pricing.resumeDownload?.creditsPerPurchase || 1,
+          download: pricing.gravityRates?.downloadPerUse || 2,
         }
-        const credits = creditMap[order.type]
+        const g = gravityMap[order.type]
-        if (credits) {
+        if (g) {
-          await this.quotaService.grantCredits(order.userId, order.type as any, credits)
+          await this.quotaService.grantGravity(order.userId, g)
         }
       }
     }

backend/src/modules/member/member.controller.ts

@@ -54,6 +54,12 @@ export class MemberController {
 
     return {
       interview: { dailyFreeLimit: FREE_DAILY_LIMIT, maxRoundsFree: 5, maxRoundsVip: 10 },
+      gravityRates: pricing.gravityRates,
+      products: {
+        interview: { price: pricing.interview.pricePerSession, title: 'AI 模拟面试单次', gravity: pricing.gravityRates.interviewPerUse },
+        optimize: { price: pricing.resumeOptimize.pricePerOptimize, title: '简历优化单次', gravity: pricing.gravityRates.optimizePerUse },
+        download: { price: pricing.resumeDownload.pricePerDownload, title: '简历下载', gravity: pricing.gravityRates.downloadPerUse },
+      },
       plans,
     }
   }
@@ -66,6 +72,7 @@ export class MemberController {
       plan: user.plan,
       planName: user.plan === 'growth' ? '成长版' : user.plan === 'sprint' ? '冲刺版' : '免费版',
       remaining: user.remaining,
+      gravity: user.gravity ?? 0,
       dailyLimit: user.plan !== 'free' ? 999 : FREE_DAILY_LIMIT,
       vipExpireAt: user.vipExpireAt,
       sprintExpireAt: user.sprintExpireAt,
@@ -101,7 +108,7 @@ export class MemberController {
       user.plan = 'growth'
       user.vipExpireAt = expireAt
     }
-    await this.quotaService.setPlanQuota(userId, order.plan, planCfg.credits)
+    await this.quotaService.setPlanQuota(userId, planCfg.gravityPerMonth)
     return { success: true, plan: user.plan, planName: user.plan === 'growth' ? '成长版' : '冲刺版', expireAt }
   }
 

backend/src/modules/payment/payment.controller.spec.ts

@@ -40,8 +40,8 @@ describe('PaymentController', () => {
         resumeOptimize: { freeLimit: 3, pricePerOptimize: 300, creditsPerPurchase: 1 },
         resumeDownload: { pricePerDownload: 200, creditsPerPurchase: 1 },
         plans: {
-          growth: { price: 1990, durationDays: 30, credits: { interview: 999, resumeOptimize: 20, resumeDownload: 10 }, features: [] },
+          growth: { price: 1990, durationDays: 30, gravityPerMonth: 250, credits: { interview: 999, resumeOptimize: 20, resumeDownload: 10 }, features: [] },
-          sprint: { price: 4990, durationDays: 30, credits: { interview: 999, resumeOptimize: 50, resumeDownload: 30 }, features: [] },
+          sprint: { price: 4990, durationDays: 30, gravityPerMonth: 600, credits: { interview: 999, resumeOptimize: 50, resumeDownload: 30 }, features: [] },
         },
       }),
     }
@@ -150,7 +150,7 @@ describe('PaymentController', () => {
 
     it('should activate growth plan', async () => {
       mockOrderModel.findOne.mockReturnValueOnce({ exec: jest.fn().mockResolvedValue({ outTradeNo: 'ORD123', userId: mockUserId, status: 'success', plan: 'growth', type: 'membership' }) })
-      const mockUser = { plan: 'free', vipExpireAt: null, sprintExpireAt: null, sprintRemaining: 0, remaining: 0, interviewCredits: 1, resumeOptimizeCredits: 0, resumeDownloadCredits: 0, freeOptimizeUsed: 0, save: jest.fn().mockResolvedValue(true) }
+      const mockUser = { plan: 'free', vipExpireAt: null, sprintExpireAt: null, sprintRemaining: 0, remaining: 0, gravity: 0, freeOptimizeUsed: 0, save: jest.fn().mockResolvedValue(true) }
       mockUserModel.findById.mockReturnValueOnce({ exec: jest.fn().mockResolvedValue(mockUser) })
 
       const result = await controller.activate(mockUserId, 'ORD123')
@@ -158,9 +158,8 @@ describe('PaymentController', () => {
       expect(result.plan).toBe('growth')
       expect(mockUser.save).toHaveBeenCalled()
       expect(mockUser.plan).toBe('growth')
-      expect(mockUser.interviewCredits).toBe(999)
+      expect(mockUser.gravity).toBe(250)
-      expect(mockUser.resumeOptimizeCredits).toBe(20)
+      expect(mockUser.freeOptimizeUsed).toBe(3)
-      expect(mockUser.resumeDownloadCredits).toBe(10)
     })
 
     it('should activate sprint plan', async () => {

backend/src/modules/payment/payment.controller.ts

@@ -1,4 +1,4 @@
-import { Controller, Post, Get, Param, Body, UseGuards, HttpException, HttpStatus, Logger, Req } from '@nestjs/common'
+import { Controller, Post, Get, Param, Body, UseGuards, HttpException, HttpStatus, Logger, Req, HttpCode } from '@nestjs/common'
 import { InjectModel } from '@nestjs/mongoose'
 import { Model } from 'mongoose'
 import { User, UserDocument } from '../user/user.schema'
@@ -25,6 +25,7 @@ export class PaymentController {
   /** 创建套餐订单（H5：Native 扫码支付） */
   @UseGuards(JwtAuthGuard)
   @Post('create')
+  @HttpCode(200)
   async create(@CurrentUser('userId') userId: string, @Body('plan') plan: string = 'growth') {
     if (!['growth', 'sprint'].includes(plan)) throw new HttpException('无效套餐', HttpStatus.BAD_REQUEST)
     const user = await this.userModel.findById(userId).exec()
@@ -49,11 +50,13 @@ export class PaymentController {
   async createProduct(
     @CurrentUser('userId') userId: string,
     @Body('type') type: string,
+    @Body('quantity') quantity: number = 1,
     @Body('metadata') metadata?: Record<string, any>,
   ) {
     if (!['interview', 'optimize', 'download'].includes(type)) {
       throw new HttpException('无效产品类型', HttpStatus.BAD_REQUEST)
     }
+    const qty = Math.max(1, Math.min(99, quantity || 1))
     const user = await this.userModel.findById(userId).exec()
     if (!user) throw new HttpException('用户不存在', HttpStatus.NOT_FOUND)
 
@@ -63,40 +66,55 @@ export class PaymentController {
       optimize: pricing.resumeOptimize.pricePerOptimize,
       download: pricing.resumeDownload.pricePerDownload,
     }
-    const price = priceMap[type]
+    const price = priceMap[type] * qty
-    if (!price) throw new HttpException('价格未配置', HttpStatus.INTERNAL_SERVER_ERROR)
+    if (!priceMap[type]) throw new HttpException('价格未配置', HttpStatus.INTERNAL_SERVER_ERROR)
 
     const titles: Record<string, string> = {
       interview: 'AI 模拟面试单次',
       optimize: '简历优化单次',
       download: '简历下载',
     }
-    const title = titles[type] || type
+    const title = qty > 1 ? `${titles[type]}×${qty}` : titles[type]
     const outTradeNo = `${type.slice(0, 3).toUpperCase()}${Date.now()}${userId.slice(-6)}`
     const result = await this.wechatPay.nativePay(title, outTradeNo, price)
 
-    await this.orderModel.create({ outTradeNo, userId, userPhone: user.phone || '', amount: price, title, status: 'pending', channel: 'native', type, plan: 'growth', metadata })
+    await this.orderModel.create({ outTradeNo, userId, userPhone: user.phone || '', amount: price, title, status: 'pending', channel: 'native', type, plan: 'growth', metadata: { ...metadata, quantity: qty } })
 
-    return { outTradeNo, codeUrl: result.codeUrl, amount: price, title }
+    return { outTradeNo, codeUrl: result.codeUrl, amount: price, title, quantity: qty }
   }
 
   /** JSAPI 支付（微信小程序） */
   @UseGuards(JwtAuthGuard)
   @Post('jsapi')
+  @HttpCode(200)
   async jsapi(@CurrentUser('userId') userId: string, @Body('plan') plan: string = 'growth') {
+    this.logger.log(`[jsapi] userId=${userId}, plan=${plan}`)
     if (!['growth', 'sprint'].includes(plan)) throw new HttpException('无效套餐', HttpStatus.BAD_REQUEST)
     const user = await this.userModel.findById(userId).exec()
-    if (!user) throw new HttpException('用户不存在', HttpStatus.NOT_FOUND)
+    if (!user) { this.logger.warn(`[jsapi] 用户不存在 userId=${userId}`); throw new HttpException('用户不存在', HttpStatus.NOT_FOUND) }
-    if (user.plan !== 'free') throw new HttpException('已是会员', HttpStatus.BAD_REQUEST)
+    this.logger.log(`[jsapi] 用户查询结果: plan=${user.plan}, wxOpenid=${user.wxOpenid ? '已设置' : '空'}, phone=${user.phone || '无'}`)
+    if (user.plan !== 'free') { this.logger.warn(`[jsapi] 已是会员 plan=${user.plan}`); throw new HttpException('已是会员', HttpStatus.BAD_REQUEST) }
     const openid = user.wxOpenid
-    if (!openid) throw new HttpException('未绑定微信', HttpStatus.BAD_REQUEST)
+    if (!openid) {
+      this.logger.warn(`[jsapi] 未绑定微信openid userId=${userId}`)
+      throw new HttpException({ message: '未绑定微信openid', needBindWx: true }, HttpStatus.BAD_REQUEST)
+    }
 
     const pricing = await this.pricingService.getConfig()
+    this.logger.log(`[jsapi] pricing获取成功`)
     const planCfg = pricing.plans[plan === 'sprint' ? 'sprint' : 'growth']
     const amount = planCfg.price
     const title = plan === 'sprint' ? '职引冲刺版月度会员' : '职引成长版月度会员'
     const outTradeNo = `${plan === 'sprint' ? 'SPR' : 'VIP'}${Date.now()}${userId.slice(-6)}`
-    const result = await this.wechatPay.jsapiPay(title, outTradeNo, amount, openid)
+    this.logger.log(`[jsapi] 准备调用微信: outTradeNo=${outTradeNo}, amount=${amount}, openid=${openid}`)
+    let result: any
+    try {
+      result = await this.wechatPay.jsapiPay(title, outTradeNo, amount, openid)
+      this.logger.log(`[jsapi] 微信下单成功 prepayId=${result?.prepayId}`)
+    } catch (e: any) {
+      this.logger.error(`[jsapi] 微信下单失败: ${e.message}`, e.response?.data ? JSON.stringify(e.response.data) : '')
+      throw new HttpException(e.response?.data?.message || '微信支付下单失败', HttpStatus.INTERNAL_SERVER_ERROR)
+    }
 
     await this.orderModel.create({ outTradeNo, userId, userPhone: user.phone || '', amount, title, status: 'pending', channel: 'jsapi', type: 'membership', plan })
 
@@ -109,15 +127,19 @@ export class PaymentController {
   async jsapiProduct(
     @CurrentUser('userId') userId: string,
     @Body('type') type: string,
+    @Body('quantity') quantity: number = 1,
     @Body('metadata') metadata?: Record<string, any>,
   ) {
     if (!['interview', 'optimize', 'download'].includes(type)) {
       throw new HttpException('无效产品类型', HttpStatus.BAD_REQUEST)
     }
+    const qty = Math.max(1, Math.min(99, quantity || 1))
     const user = await this.userModel.findById(userId).exec()
     if (!user) throw new HttpException('用户不存在', HttpStatus.NOT_FOUND)
     const openid = user.wxOpenid
-    if (!openid) throw new HttpException('未绑定微信', HttpStatus.BAD_REQUEST)
+    if (!openid) {
+      throw new HttpException({ message: '未绑定微信openid', needBindWx: true }, HttpStatus.BAD_REQUEST)
+    }
 
     const pricing = await this.pricingService.getConfig()
     const priceMap: Record<string, number> = {
@@ -125,21 +147,21 @@ export class PaymentController {
       optimize: pricing.resumeOptimize.pricePerOptimize,
       download: pricing.resumeDownload.pricePerDownload,
     }
-    const price = priceMap[type]
+    const price = priceMap[type] * qty
-    if (!price) throw new HttpException('价格未配置', HttpStatus.INTERNAL_SERVER_ERROR)
+    if (!priceMap[type]) throw new HttpException('价格未配置', HttpStatus.INTERNAL_SERVER_ERROR)
 
     const titles: Record<string, string> = {
       interview: 'AI 模拟面试单次',
       optimize: '简历优化单次',
       download: '简历下载',
     }
-    const title = titles[type] || type
+    const title = qty > 1 ? `${titles[type]}×${qty}` : titles[type]
     const outTradeNo = `${type.slice(0, 3).toUpperCase()}${Date.now()}${userId.slice(-6)}`
     const result = await this.wechatPay.jsapiPay(title, outTradeNo, price, openid)
 
-    await this.orderModel.create({ outTradeNo, userId, userPhone: user.phone || '', amount: price, title, status: 'pending', channel: 'jsapi', type, plan: 'growth', metadata })
+    await this.orderModel.create({ outTradeNo, userId, userPhone: user.phone || '', amount: price, title, status: 'pending', channel: 'jsapi', type, plan: 'growth', metadata: { ...metadata, quantity: qty } })
 
-    return { ...result, outTradeNo }
+    return { ...result, outTradeNo, quantity: qty }
   }
 
   /** 支付回调通知 */
@@ -201,34 +223,22 @@ export class PaymentController {
       user.plan = 'growth'
       user.vipExpireAt = expireAt
     }
-    const credits = planCfg.credits
+    user.gravity = planCfg.gravityPerMonth
-    user.remaining = 999
-    user.interviewCredits = credits.interview
-    user.resumeOptimizeCredits = credits.resumeOptimize
-    user.resumeDownloadCredits = credits.resumeDownload
     user.freeOptimizeUsed = 3
     await user.save()
   }
 
   private async activateProduct(order: PaymentOrderDocument) {
     const pricing = await this.pricingService.getConfig()
-    const creditMap: Record<string, number> = {
+    const gravityMap: Record<string, number> = {
-      interview: pricing.interview.creditsPerPurchase,
+      interview: pricing.gravityRates.interviewPerUse,
-      optimize: pricing.resumeOptimize.creditsPerPurchase,
+      optimize: pricing.gravityRates.optimizePerUse,
-      download: pricing.resumeDownload.creditsPerPurchase,
+      download: pricing.gravityRates.downloadPerUse,
-    }
-    const credits = creditMap[order.type]
-    if (!credits) return
-
-    const typeMap: Record<string, 'interview' | 'optimize' | 'download'> = {
-      interview: 'interview',
-      optimize: 'optimize',
-      download: 'download',
-    }
-    const mapped = typeMap[order.type]
-    if (mapped) {
-      await this.quotaService.grantCredits(order.userId, mapped, credits)
     }
+    const g = gravityMap[order.type]
+    if (!g) return
+    const quantity = order.metadata?.quantity || 1
+    await this.quotaService.grantGravity(order.userId, g * quantity)
   }
 
   /** 查询订单（微信侧） */

backend/src/modules/payment/wechat-pay.service.ts

@@ -51,6 +51,8 @@ export class WechatPayService {
   /** 发起 API v3 请求 */
   private async request(method: string, apiPath: string, body?: any) {
     const url = `${WX_API_BASE}${apiPath}`
+    const bodyStr = body ? JSON.stringify(body) : ''
+    this.logger.log(`[wxpay-request] ${method} ${apiPath} 请求体: ${bodyStr}`)
     try {
       const res = await axios({
         method,
@@ -63,9 +65,12 @@ export class WechatPayService {
         },
         data: body,
       })
+      this.logger.log(`[wxpay-request] ${method} ${apiPath} 成功: ${JSON.stringify(res.data)}`)
       return res.data
     } catch (e: any) {
-      this.logger.error(`微信支付请求失败: ${method} ${apiPath}`, e.response?.data || e.message)
+      const errDetail = e.response?.data ? JSON.stringify(e.response.data) : e.message
+      const errStatus = e.response?.status || '无状态码'
+      this.logger.error(`[wxpay-request] ${method} ${apiPath} 失败 status=${errStatus}: ${errDetail}`)
       throw e
     }
   }
@@ -99,8 +104,15 @@ export class WechatPayService {
       amount: { total: amount, currency: 'CNY' },
       payer: { openid },
     }
+    this.logger.log(`[jsapiPay] 下单参数: description=${description}, outTradeNo=${outTradeNo}, amount=${amount}, openid=${openid}`)
+    this.logger.log(`[jsapiPay] 完整请求体: ${JSON.stringify(body)}`)
     const result = await this.request('POST', '/v3/pay/transactions/jsapi', body)
+    this.logger.log(`[jsapiPay] 微信返回: ${JSON.stringify(result)}`)
     const prepayId = result.prepay_id
+    if (!prepayId) {
+      this.logger.error(`[jsapiPay] 微信返回缺少prepay_id: ${JSON.stringify(result)}`)
+      throw new Error('微信下单失败: 缺少prepay_id')
+    }
     // 生成小程序/JSAPI 调起支付参数
     const nonce = crypto.randomBytes(16).toString('hex')
     const timestamp = Math.floor(Date.now() / 1000).toString()

backend/src/modules/schedule/gravity-top-up.service.ts

@@ -0,0 +1,49 @@
+import { Injectable, Logger } from '@nestjs/common'
+import { Cron, CronExpression } from '@nestjs/schedule'
+import { InjectModel } from '@nestjs/mongoose'
+import { Model } from 'mongoose'
+import { User, UserDocument } from '../user/user.schema'
+import { PricingService } from '../schemas/pricing.service'
+
+@Injectable()
+export class GravityTopUpService {
+  private readonly logger = new Logger(GravityTopUpService.name)
+
+  constructor(
+    @InjectModel(User.name) private userModel: Model<UserDocument>,
+    private pricingService: PricingService,
+  ) {}
+
+  @Cron(CronExpression.EVERY_DAY_AT_2AM)
+  async topUpVipGravity() {
+    this.logger.log('Topping up gravity for active VIP members...')
+    const pricing = await this.pricingService.getConfig()
+    const now = new Date()
+
+    // 成长版 —— vipExpireAt 未过期
+    const growthPlan = pricing.plans.growth
+    const growthResult = await this.userModel.updateMany(
+      {
+        plan: 'growth',
+        vipExpireAt: { $gt: now },
+      },
+      { $inc: { gravity: growthPlan.gravityPerMonth } },
+    ).exec()
+    if (growthResult.modifiedCount > 0) {
+      this.logger.log(`Growth plan: topped up ${growthResult.modifiedCount} users with ${growthPlan.gravityPerMonth} gravity each`)
+    }
+
+    // 冲刺版 —— sprintExpireAt 未过期
+    const sprintPlan = pricing.plans.sprint
+    const sprintResult = await this.userModel.updateMany(
+      {
+        plan: 'sprint',
+        sprintExpireAt: { $gt: now },
+      },
+      { $inc: { gravity: sprintPlan.gravityPerMonth } },
+    ).exec()
+    if (sprintResult.modifiedCount > 0) {
+      this.logger.log(`Sprint plan: topped up ${sprintResult.modifiedCount} users with ${sprintPlan.gravityPerMonth} gravity each`)
+    }
+  }
+}

backend/src/modules/schedule/schedule.module.ts

@@ -3,8 +3,10 @@ import { MongooseModule } from '@nestjs/mongoose'
 import { DailyQuestionPushService } from './daily-question-push.service'
 import { WechatTokenService } from './wechat-token.service'
 import { VipExpiryService } from './vip-expiry.service'
+import { GravityTopUpService } from './gravity-top-up.service'
 import { DailyQuestion, DailyQuestionSchema } from '../schemas/daily-question.schema'
 import { User, UserSchema } from '../user/user.schema'
+import { PricingService } from '../schemas/pricing.service'
 
 @Module({
   imports: [
@@ -13,6 +15,6 @@ import { User, UserSchema } from '../user/user.schema'
       { name: User.name, schema: UserSchema },
     ]),
   ],
-  providers: [WechatTokenService, DailyQuestionPushService, VipExpiryService],
+  providers: [WechatTokenService, DailyQuestionPushService, VipExpiryService, GravityTopUpService, PricingService],
 })
 export class ScheduleModule {}

backend/src/modules/schemas/pricing.service.ts

@@ -3,13 +3,20 @@ import { InjectModel } from '@nestjs/mongoose'
 import { Model } from 'mongoose'
 import { SiteConfig, SiteConfigDocument } from './site-config.schema'
 
+export interface GravityRates {
+  interviewPerUse: number    // 每次面试消耗引力值
+  optimizePerUse: number     // 每次优化消耗引力值
+  downloadPerUse: number     // 每次下载消耗引力值
+}
+
 interface PricingConfig {
   interview: { pricePerSession: number; creditsPerPurchase: number }
   resumeOptimize: { freeLimit: number; pricePerOptimize: number; creditsPerPurchase: number }
   resumeDownload: { pricePerDownload: number; creditsPerPurchase: number }
+  gravityRates: GravityRates
   plans: {
-    growth: { price: number; durationDays: number; credits: { interview: number; resumeOptimize: number; resumeDownload: number }; features: string[] }
+    growth: { price: number; durationDays: number; gravityPerMonth: number; credits: { interview: number; resumeOptimize: number; resumeDownload: number }; features: string[] }
-    sprint: { price: number; durationDays: number; credits: { interview: number; resumeOptimize: number; resumeDownload: number }; features: string[] }
+    sprint: { price: number; durationDays: number; gravityPerMonth: number; credits: { interview: number; resumeOptimize: number; resumeDownload: number }; features: string[] }
   }
 }
 
@@ -17,9 +24,10 @@ const DEFAULT_PRICING: PricingConfig = {
   interview: { pricePerSession: 500, creditsPerPurchase: 1 },
   resumeOptimize: { freeLimit: 3, pricePerOptimize: 300, creditsPerPurchase: 1 },
   resumeDownload: { pricePerDownload: 200, creditsPerPurchase: 1 },
+  gravityRates: { interviewPerUse: 5, optimizePerUse: 3, downloadPerUse: 2 },
   plans: {
-    growth: { price: 1990, durationDays: 30, credits: { interview: 999, resumeOptimize: 20, resumeDownload: 10 }, features: ['免费版全部权益', 'AI 数字人面试无限次', '详细面试报告（四维评分）', '进步轨迹雷达图 + 打卡', '每日一题推送', '参考回答思路', '公司真题库', '简历优化 20 次/月', '简历下载 10 次/月'] },
+    growth: { price: 1990, durationDays: 30, gravityPerMonth: 250, credits: { interview: 999, resumeOptimize: 20, resumeDownload: 10 }, features: ['免费版全部权益', 'AI 数字人面试每次 3 引力值（折扣价）', '详细面试报告（四维评分）', '进步轨迹雷达图 + 打卡', '每日一题推送', '参考回答思路', '公司真题库', '简历优化 20 次/月', '简历下载 10 次/月'] },
-    sprint: { price: 4990, durationDays: 30, credits: { interview: 999, resumeOptimize: 50, resumeDownload: 30 }, features: ['成长版全部权益', 'AI 语音分析（语气词/语速检测）', '技能缺口分析报告', '学习路径推荐', '真人导师 1v1 点评（每月 1 次）', '简历精修（每月 1 次）', '内推优先', '简历优化 50 次/月', '简历下载 30 次/月'] },
+    sprint: { price: 4990, durationDays: 30, gravityPerMonth: 600, credits: { interview: 999, resumeOptimize: 50, resumeDownload: 30 }, features: ['成长版全部权益', 'AI 语音分析（语气词/语速检测）', '技能缺口分析报告', '学习路径推荐', '真人导师 1v1 点评（每月 1 次）', '简历精修（每月 1 次）', '内推优先', '简历优化 50 次/月', '简历下载 30 次/月'] },
   },
 }
 
@@ -57,6 +65,7 @@ export class PricingService {
       interview: { ...DEFAULT_PRICING.interview, ...value?.interview },
       resumeOptimize: { ...DEFAULT_PRICING.resumeOptimize, ...value?.resumeOptimize },
       resumeDownload: { ...DEFAULT_PRICING.resumeDownload, ...value?.resumeDownload },
+      gravityRates: { ...DEFAULT_PRICING.gravityRates, ...value?.gravityRates },
       plans: {
         growth: { ...DEFAULT_PRICING.plans.growth, ...value?.plans?.growth, credits: { ...DEFAULT_PRICING.plans.growth.credits, ...value?.plans?.growth?.credits } },
         sprint: { ...DEFAULT_PRICING.plans.sprint, ...value?.plans?.sprint, credits: { ...DEFAULT_PRICING.plans.sprint.credits, ...value?.plans?.sprint?.credits } },

backend/src/modules/share/share.service.ts

@@ -83,8 +83,11 @@ export class ShareService {
 
     if (todayCredited >= DAILY_LIMIT) return { dailyLimitReached: true, visitorUserId }
 
-    const shareCreditsResult = await this.quotaService.grantShareCredits(sharerIdStr)
+    try {
-    if (!shareCreditsResult) return { creditFailed: true, visitorUserId }
+      await this.quotaService.grantGravity(sharerIdStr, 1)
+    } catch (e) {
+      return { creditFailed: true, visitorUserId }
+    }
 
     await this.visitModel.updateOne(
       { shareId: share._id, visitorId },
@@ -125,7 +128,7 @@ export class ShareService {
       totalVisits: visitAgg[0]?.totalVisits ?? 0,
       creditedCount: visitAgg[0]?.creditedCount ?? 0,
       todayCredited: todayAgg,
-      shareCredits: user?.shareCredits ?? 0,
+      gravity: user?.gravity ?? 0,
     }
   }
 

backend/src/modules/user/quota.service.ts

@@ -2,6 +2,7 @@ import { Injectable, HttpException, HttpStatus, Logger } from '@nestjs/common'
 import { InjectModel } from '@nestjs/mongoose'
 import { Model } from 'mongoose'
 import { User, UserDocument } from './user.schema'
+import { PricingService } from '../schemas/pricing.service'
 
 const FREE_OPTIMIZE_LIMIT = 3
 
@@ -11,119 +12,143 @@ export class QuotaService {
 
   constructor(
     @InjectModel(User.name) private userModel: Model<UserDocument>,
+    private pricingService: PricingService,
   ) {}
 
+  /** 检查并扣除面试引力值（所有计划统一走引力值） */
   async checkAndDeductInterview(userId: string) {
     const user = await this.userModel.findById(userId).exec()
     if (!user) throw new HttpException('用户不存在', HttpStatus.NOT_FOUND)
-    if (user.plan !== 'free') return
 
-    // Backward compat: migrate remaining → interviewCredits
+    // 迁移旧字段到 gravity
-    if ((user.interviewCredits ?? 0) <= 0 && (user.remaining ?? 0) > 0) {
+    if ((user.gravity ?? 0) <= 0 && this.hasOldCredits(user)) {
-      await this.userModel.findByIdAndUpdate(userId, {
+      await this.migrateOldCredits(userId)
-        $set: { interviewCredits: user.remaining, remaining: 0 },
-      }).exec()
     }
 
-    const result = await this.userModel.findOneAndUpdate(
+    const rates = (await this.pricingService.getConfig()).gravityRates
-      { _id: userId, interviewCredits: { $gt: 0 } },
+    const cost = rates.interviewPerUse
-      { $inc: { interviewCredits: -1, interviewCount: 1 } },
+
-      { new: true },
+    // 用 gravity 支付，后备 shareCredits
-    ).exec()
+    const result = await this.deductGravityOrFallback(userId, cost)
     if (result) return
 
-    // Fallback to share credits
+    throw new HttpException('引力值不足，请充值或分享获取', HttpStatus.FORBIDDEN)
-    const shareResult = await this.userModel.findOneAndUpdate(
-      { _id: userId, shareCredits: { $gt: 0 } },
-      { $inc: { shareCredits: -1, interviewCount: 1 } },
-    ).exec()
-    if (shareResult) return
-
-    throw new HttpException('面试次数已用完，请购买面试次数或开通会员', HttpStatus.FORBIDDEN)
   }
 
+  /** 检查并扣除优化引力值（所有计划统一走引力值） */
   async checkAndDeductOptimize(userId: string) {
     const user = await this.userModel.findById(userId).exec()
     if (!user) throw new HttpException('用户不存在', HttpStatus.NOT_FOUND)
-    if (user.plan !== 'free') return
 
-    // Try paid credits first
+    // 迁移旧字段
-    const paid = await this.userModel.findOneAndUpdate(
+    if ((user.gravity ?? 0) <= 0 && this.hasOldCredits(user)) {
-      { _id: userId, resumeOptimizeCredits: { $gt: 0 } },
+      await this.migrateOldCredits(userId)
-      { $inc: { resumeOptimizeCredits: -1 } },
+    }
-    ).exec()
-    if (paid) return
 
-    // Try old remaining credits (backward compat)
+    // 免费优化次数
-    const oldRemaining = await this.userModel.findOneAndUpdate(
-      { _id: userId, remaining: { $gt: 0 } },
-      { $inc: { remaining: -1 } },
-    ).exec()
-    if (oldRemaining) return
-
-    // Then free limit
     const freeResult = await this.userModel.findOneAndUpdate(
       { _id: userId, freeOptimizeUsed: { $lt: FREE_OPTIMIZE_LIMIT } },
       { $inc: { freeOptimizeUsed: 1 } },
     ).exec()
     if (freeResult) return
 
-    // Fallback to share credits
+    const rates = (await this.pricingService.getConfig()).gravityRates
+    const cost = rates.optimizePerUse
+
+    const result = await this.deductGravityOrFallback(userId, cost)
+    if (result) return
+
+    throw new HttpException('引力值不足，请充值或分享获取', HttpStatus.FORBIDDEN)
+  }
+
+  /** 检查并扣除下载引力值 */
+  async checkAndDeductDownload(userId: string, paidDownload: boolean): Promise<boolean> {
+    if (paidDownload) return true
+
+    const rates = (await this.pricingService.getConfig()).gravityRates
+    const cost = rates.downloadPerUse
+
+    const result = await this.deductGravityOrFallback(userId, cost)
+    if (result) return true
+
+    return false
+  }
+
+  /** 从 gravity 扣除，后备从 shareCredits 扣除（兼容旧数据） */
+  private async deductGravityOrFallback(userId: string, cost: number): Promise<boolean> {
+    // 主路径：gravity
+    const gravResult = await this.userModel.findOneAndUpdate(
+      { _id: userId, gravity: { $gte: cost } },
+      { $inc: { gravity: -cost } },
+    ).exec()
+    if (gravResult) return true
+
+    // 后备：旧 shareCredits
     const shareResult = await this.userModel.findOneAndUpdate(
       { _id: userId, shareCredits: { $gt: 0 } },
       { $inc: { shareCredits: -1 } },
     ).exec()
-    if (shareResult) return
+    if (shareResult) return true
 
-    throw new HttpException('简历优化次数已用完，请购买优化次数或开通会员', HttpStatus.FORBIDDEN)
+    return false
   }
 
-  async grantShareCredits(userId: string, amount = 1): Promise<boolean> {
+  /** 增加引力值 */
-    const result = await this.userModel.findByIdAndUpdate(
+  async grantGravity(userId: string, amount: number) {
-      userId,
-      { $inc: { shareCredits: amount } },
-    ).exec()
-    return !!result
-  }
-
-  async checkAndDeductDownload(userId: string, paidDownload: boolean): Promise<boolean> {
-    if (paidDownload) return true
-
-    const result = await this.userModel.findOneAndUpdate(
-      { _id: userId, resumeDownloadCredits: { $gt: 0 } },
-      { $inc: { resumeDownloadCredits: -1 } },
-    ).exec()
-    return !!result
-  }
-
-  async grantCredits(userId: string, type: 'interview' | 'optimize' | 'download', amount: number) {
     if (amount <= 0) throw new HttpException('无效数量', HttpStatus.BAD_REQUEST)
-
-    const fieldMap: Record<string, string> = {
-      interview: 'interviewCredits',
-      optimize: 'resumeOptimizeCredits',
-      download: 'resumeDownloadCredits',
-    }
-    const field = fieldMap[type]
-    if (!field) throw new HttpException('无效类型', HttpStatus.BAD_REQUEST)
-
     const result = await this.userModel.findByIdAndUpdate(
       userId,
-      { $inc: { [field]: amount } },
+      { $inc: { gravity: amount } },
     ).exec()
     if (!result) throw new HttpException('用户不存在', HttpStatus.NOT_FOUND)
   }
 
-  async setPlanQuota(userId: string, _plan: string, credits: { interview: number; resumeOptimize: number; resumeDownload: number }) {
+  /** 设置 VIP 套餐引力值额度 */
+  async setPlanQuota(userId: string, gravityAmount: number) {
     const result = await this.userModel.findByIdAndUpdate(userId, {
       $set: {
-        remaining: 999,
+        gravity: gravityAmount,
-        interviewCredits: credits.interview,
-        resumeOptimizeCredits: credits.resumeOptimize,
-        resumeDownloadCredits: credits.resumeDownload,
         freeOptimizeUsed: FREE_OPTIMIZE_LIMIT,
       },
     }).exec()
     if (!result) throw new HttpException('用户不存在', HttpStatus.NOT_FOUND)
   }
+
+  /** 是否为非会员用户授予初始引力值 */
+  async grantFreeGravity(userId: string) {
+    await this.userModel.findByIdAndUpdate(userId, {
+      $set: { interviewCredits: 1, gravity: 5 },
+    }).exec()
+  }
+
+  /** 判断是否有旧额度需要迁移 */
+  private hasOldCredits(user: UserDocument): boolean {
+    return (user.interviewCredits ?? 0) > 0
+      || (user.resumeOptimizeCredits ?? 0) > 0
+      || (user.resumeDownloadCredits ?? 0) > 0
+      || (user.remaining ?? 0) > 0
+  }
+
+  /** 迁移旧额度到 gravity */
+  private async migrateOldCredits(userId: string) {
+    const user = await this.userModel.findById(userId).exec()
+    if (!user) return
+    const interviewVal = (user.interviewCredits ?? 0) * 5
+    const optimizeVal = (user.resumeOptimizeCredits ?? 0) * 3
+    const downloadVal = (user.resumeDownloadCredits ?? 0) * 2
+    const oldRemainVal = (user.remaining ?? 0) * 5
+    const shareVal = (user.shareCredits ?? 0) * 1
+    const total = interviewVal + optimizeVal + downloadVal + oldRemainVal + shareVal
+    if (total <= 0) return
+    await this.userModel.findByIdAndUpdate(userId, {
+      $inc: { gravity: total },
+      $set: {
+        interviewCredits: 0,
+        resumeOptimizeCredits: 0,
+        resumeDownloadCredits: 0,
+        remaining: 0,
+        shareCredits: 0,
+      },
+    }).exec()
+  }
 }

backend/src/modules/user/user.controller.ts

@@ -1,7 +1,8 @@
-import { Controller, Post, Get, Put, Body, Req, HttpCode, HttpStatus } from '@nestjs/common'
+import { Controller, Post, Get, Put, Body, Req, HttpCode, HttpStatus, UseGuards } from '@nestjs/common'
 import { UserService } from './user.service'
 import { Public } from '../../common/decorators/public.decorator'
 import { CurrentUser } from '../../common/decorators/current-user.decorator'
+import { JwtAuthGuard } from '../../common/guards/jwt-auth.guard'
 
 @Controller('user')
 export class UserController {
@@ -29,6 +30,14 @@ export class UserController {
     return this.userService.sendEmailCode(email)
   }
 
+  /** 绑定微信 openid 到当前登录用户 */
+  @UseGuards(JwtAuthGuard)
+  @Post('bind-wx')
+  @HttpCode(HttpStatus.OK)
+  async bindWx(@CurrentUser('userId') userId: string, @Body('code') code: string) {
+    return this.userService.bindWxOpenid(userId, code)
+  }
+
   @Public()
   @Post('email-login')
   @HttpCode(HttpStatus.OK)

backend/src/modules/user/user.schema.ts

@@ -49,7 +49,10 @@ export class User {
   freeOptimizeUsed: number       // 已使用免费优化次数（上限 3）
 
   @Prop({ default: 0 })
-  shareCredits: number           // 分享积分，每 3 次有效访问获 1 积分
+  gravity: number                // 引力值（统一额度），面试 5、优化 3、下载 2
+
+  @Prop({ default: 0 })
+  shareCredits: number           // 已合并到 gravity，保留字段防报错
 
   @Prop({ default: 'user' })
   role: string       // 'user' | 'admin'

backend/src/modules/user/user.service.ts

@@ -46,14 +46,13 @@ export class UserService {
 
     let user = await this.userModel.findOne({ phone }).exec()
     if (!user) {
-      user = await this.userModel.create({ phone, nickname: `用户${phone.slice(-4)}` })
+      user = await this.userModel.create({ phone, nickname: `用户${phone.slice(-4)}`, gravity: 5 })
     }
 
     return this.generateAuthResponse(user)
   }
 
-  async loginByWx(code: string) {
+  async loginByWx(code: string, userId?: string) {
-    // WeChat silent login - exchange code for openid
     const appid = process.env.WX_APPID
     const secret = process.env.WX_SECRET
     if (!appid || !secret) {
@@ -70,15 +69,59 @@ export class UserService {
     }
 
     const openid = wxData.openid
+
+    if (userId) {
+      const user = await this.userModel.findById(userId).exec()
+      if (!user) throw new HttpException('用户不存在', HttpStatus.NOT_FOUND)
+      if (user.wxOpenid) throw new HttpException('该账号已绑定微信', HttpStatus.CONFLICT)
+      user.wxOpenid = openid
+      await user.save()
+      return this.generateAuthResponse(user)
+    }
+
     let user = await this.userModel.findOne({ wxOpenid: openid }).exec()
     if (!user) {
-      user = await this.userModel.create({ wxOpenid: openid, nickname: '微信用户' })
+      user = await this.userModel.create({ wxOpenid: openid, nickname: '微信用户', gravity: 5 })
     }
 
     return this.generateAuthResponse(user)
   }
 
   // 📧 邮箱验证码
+  async bindWxOpenid(userId: string, code: string) {
+    this.logger.log(`[bindWx] userId=${userId}, code=${code ? '已提供' : '空'}`)
+    const appid = process.env.WX_APPID
+    const secret = process.env.WX_SECRET
+    if (!appid || !secret) {
+      this.logger.error(`[bindWx] 微信配置不完整`)
+      throw new HttpException('微信登录未配置', HttpStatus.SERVICE_UNAVAILABLE)
+    }
+
+    const wxRes = await fetch(
+      `https://api.weixin.qq.com/sns/jscode2session?appid=${appid}&secret=${secret}&js_code=${code}&grant_type=authorization_code`,
+    )
+    const wxData: any = await wxRes.json()
+    this.logger.log(`[bindWx] 微信接口返回: ${JSON.stringify(wxData)}`)
+
+    if (wxData.errcode) {
+      this.logger.error(`[bindWx] 微信登录失败: ${wxData.errmsg}, rid: ${wxData.rid || '无'}`)
+      throw new HttpException(`微信登录失败: ${wxData.errmsg}`, HttpStatus.UNAUTHORIZED)
+    }
+
+    const openid = wxData.openid
+    this.logger.log(`[bindWx] 获取到openid=${openid}`)
+    const existing = await this.userModel.findOne({ wxOpenid: openid }).exec()
+    if (existing) {
+      this.logger.warn(`[bindWx] openid=${openid} 已绑定到其他用户 ${existing._id}`)
+      throw new HttpException('该微信号已绑定其他账号', HttpStatus.CONFLICT)
+    }
+
+    const user = await this.userModel.findByIdAndUpdate(userId, { wxOpenid: openid }, { new: true }).exec()
+    if (!user) { this.logger.error(`[bindWx] 用户不存在 userId=${userId}`); throw new HttpException('用户不存在', HttpStatus.NOT_FOUND) }
+    this.logger.log(`[bindWx] openid=${openid} 绑定到用户 ${userId} 成功`)
+    return { message: '微信绑定成功', wxOpenid: openid }
+  }
+
   async sendEmailCode(email: string) {
     if (!email || !email.includes('@')) {
       throw new HttpException('请输入正确的邮箱地址', HttpStatus.BAD_REQUEST)
@@ -113,7 +156,7 @@ export class UserService {
     if (!user) {
       isNew = true
       const nick = email.split('@')[0]
-      user = await this.userModel.create({ email, nickname: nick, remaining: 3 })
+      user = await this.userModel.create({ email, nickname: nick, remaining: 0, gravity: 5 })
     }
     return { ...this.generateAuthResponse(user), isNew, hasPassword: !!user.password }
   }
@@ -148,7 +191,7 @@ export class UserService {
     }
     const nick = email.split('@')[0]
     const hashed = await bcrypt.hash(password, 10)
-    const user = await this.userModel.create({ email, nickname: nick, password: hashed, remaining: 3 })
+    const user = await this.userModel.create({ email, nickname: nick, password: hashed, remaining: 0, gravity: 5 })
     return this.generateAuthResponse(user)
   }
 
@@ -216,6 +259,7 @@ export class UserService {
       resumeDownloadCredits: user.resumeDownloadCredits ?? 0,
       freeOptimizeUsed: user.freeOptimizeUsed ?? 0,
       shareCredits: user.shareCredits ?? 0,
+      gravity: user.gravity ?? 0,
     }
   }
 }

docs/PROJECT-STATUS.md

@@ -1,8 +1,8 @@
-# 职引项目 · 状态报告 v4.5
+# 职引项目 · 状态报告 v4.6
 
-> **项目版本**: v4.5
+> **项目版本**: v4.6
-> **更新时间**: 2026-06-17
+> **更新时间**: 2026-06-19
-> **项目状态**: ✅ 面试复盘上线 + AI 择业顾问 MVP
+> **项目状态**: ✅ 引力值体系统一 + 管理后台完善
 
 ---
 
@@ -76,8 +76,10 @@
 | 功能 | 后端 | 前端 | 状态 |
 |------|------|------|------|
 | 免费版额度(日2次/5轮) | ✅ | ✅ | **完成** |
-| 成长版 ¥19.9/月 | ✅ | ✅ | **完成** |
+| 成长版 ¥19.9/月（250 引力值） | ✅ | ✅ | **完成** |
-| 冲刺版 ¥49.9/月(含权益扣减) | ✅ | ✅ | **完成** |
+| 冲刺版 ¥49.9/月（600 引力值） | ✅ | ✅ | **完成** |
+| 引力值统一体系（取消 VIP 无限面试） | ✅ | ✅ | **完成** |
+| 会员月度引力值自动配发（cron） | ✅ | N/A | **完成** |
 | 微信支付 Native QR / JSAPI | ✅ | ✅ H5+MP | **完成** |
 | 支付回调/自动开会员 | ✅ | N/A | **完成** |
 | 每日一题定时推送 | ✅ | N/A | **完成**（需配置模板ID） |
@@ -174,7 +176,7 @@
 | `payment` | controller + service + schema | ✅ | 微信支付 v3，含证书 |
 | `progress` | controller + schema + benchmark service | ✅ | 打卡/积分/基准/匹配 |
 | `contribution` | controller + schema (×2) | ✅ | 面经 + AI 结构化 + 公司题库 |
-| `schedule` | module + service (×3) | ✅ | VIP 过期 / 每日一题 / 微信 token |
+| `schedule` | module + service (×4) | ✅ | VIP 过期 / 每日一题 / 微信 token / 月度引力值补给 |
 | `interview-review` | controller + service + schema + asr service | ✅ | 面试复盘：音频 ASR + AI 评析 + 口语分析 |
 | `career-advice` | controller + service + module | ✅ | AI 择业顾问：专业分析 + 岗位匹配 + 多轮对话 |
 | `admin` | controller + module | ✅ | 管理后台 |
@@ -200,7 +202,7 @@
 | 面试复盘 | review/review | ✅ 三种模式（列表/上传/报告） |
 | 择业顾问 | career/career | ✅ AI 专业分析 + 岗位匹配 + 多轮对话 |
 | 实习搜索 | internship/internship | ✅ 热门岗位 |
-| 管理后台 | admin/admin | ✅ 仪表盘 |
+| 管理后台 | admin/admin | ✅ 仪表盘/用户/面试/简历/订单/定价/分享/岗位/诊断/管理员 · 全 CRUD |
 | 关于/协议/隐私 | about/agreement/privacy | ✅ |
 
 ---
@@ -217,11 +219,11 @@
 ---
 
 ## 十、变更记录
-| 2026-06-17 | v4.5 | AI 择业顾问 MVP：后端模块 + 前端职业分析页面 + 热门岗位联动 | AI |
 
 | 日期 | 版本 | 变更内容 | 操作者 |
 |------|------|----------|--------|
-| 2026-06-02 | v1.0 | 项目状态初版 | AI |
+| 2026-06-19 | v4.6 | 引力值体系统一：VIP 取消无限面试改为月度引力值消耗；管理后台全面完善（搜索/筛选/分页/CRUD/分析tab/岗位描述字段） | AI |
+| 2026-06-17 | v4.5 | AI 择业顾问 MVP：后端模块 + 前端职业分析页面 + 热门岗位联动 | AI |
 | 2026-06-05 | v2.0 | 战略升级：文档重构 + 新增功能启动 | 小之 |
 | 2026-06-09 | v4.2 | 冲刺版+每日推送+支付修复+全量代码评审 | AI |
 | 2026-06-11 | v4.3 | 安全修复 5 项 + 代码质量 14 处 + 测试体系 61 项 + 护城河 P0-P5 全部验证 | AI |

zhiyin-app/src/manifest.json

@@ -1,8 +1,8 @@
 {
   "name": "宇之然AI磁场",
   "appid": "__UNI__DEV__",
-  "versionName": "1.0.14",
+  "versionName": "1.0.15",
-  "versionCode": "114",
+  "versionCode": "115",
   "description": "职引 - 宇之然AI磁场旗下AI模拟面试平台，提供AI面试官模拟练习、简历智能优化、大厂面经题库，助你轻松应对校招面试。",
   "h5": {
     "title": "职引 - AI模拟面试 | 宇之然AI磁场",

zhiyin-app/src/pages/admin/admin.vue

@@ -22,7 +22,8 @@
         <text class="tab" :class="{ active: tab === 'pricing' }" @click="switchTab('pricing')">定价</text>
         <text class="tab" :class="{ active: tab === 'share' }" @click="switchTab('share')">分享</text>
         <text class="tab" :class="{ active: tab === 'positions' }" @click="switchTab('positions')">岗位</text>
-        <text class="tab" :class="{ active: tab === 'admins' }" @click="switchTab('admins')">管理</text>
+        <text class="tab" :class="{ active: tab === 'analysis' }" @click="switchTab('analysis')">诊断</text>
+        <text class="tab" :class="{ active: tab === 'admins' }" @click="switchTab('admins')">管理员</text>
       </view>
 
       <!-- 概览 -->
@@ -66,10 +67,8 @@
           </view>
           <view class="user-badges">
             <text class="user-plan" :class="{ vip: u.plan === 'growth' || u.plan === 'sprint' }">{{ u.plan === 'growth' || u.plan === 'sprint' ? '会员' : '免费' }}</text>
-            <text class="user-credit">面试:{{ u.interviewCredits ?? 0 }}</text>
+            <text class="user-credit">引力值:{{ u.gravity ?? 0 }}</text>
-            <text class="user-credit">优化:{{ u.resumeOptimizeCredits ?? 0 }}</text>
+            <text class="user-credit share" v-if="u.shareCredits > 0">分享:{{ u.shareCredits }}</text>
-            <text class="user-credit">下载:{{ u.resumeDownloadCredits ?? 0 }}</text>
-            <text class="user-credit share">分享:{{ u.shareCredits ?? 0 }}</text>
           </view>
           <view class="user-actions">
             <text class="user-action-btn" v-if="u.plan === 'free'" @click="setVip(u._id)">设为会员</text>
@@ -83,6 +82,12 @@
 
       <!-- 面试 -->
       <view v-if="tab === 'interviews'" class="section">
+        <view class="search-bar">
+          <input v-model="ivKeyword" placeholder="搜索岗位/用户名" class="search-input" @confirm="loadInterviews" />
+          <picker :range="['全部状态','进行中','已完成']" @change="e => { ivStatusFilter=e.detail.value; loadInterviews() }">
+            <text class="search-btn">{{ ['全部状态','进行中','已完成'][ivStatusFilter] }}</text>
+          </picker>
+        </view>
         <view class="iv-list" v-if="!ivLoading">
           <view class="iv-row" v-for="iv in interviews" :key="iv._id">
             <view class="iv-main">
@@ -95,13 +100,20 @@
               <text class="iv-tag score">得分 {{ iv.totalScore ?? '-' }}</text>
               <text class="iv-tag filler" v-if="iv.fillerScore != null && iv.fillerScore > 0">语分析 {{ iv.fillerScore }}/{{ iv.fillerDensity ?? '-' }}</text>
             </view>
+            <text class="iv-time">{{ iv.createdAt?.slice(0,16).replace('T',' ') }}</text>
           </view>
+          <text class="load-more" v-if="ivTotal > interviews.length" @click="loadMoreInterviews">加载更多</text>
+          <text class="empty-text" v-if="interviews.length === 0 && !ivLoading">暂无面试记录</text>
         </view>
         <text class="loading-text" v-if="ivLoading">加载中...</text>
       </view>
 
       <!-- 简历 -->
       <view v-if="tab === 'resumes'" class="section">
+        <view class="search-bar">
+          <input v-model="resumeKeyword" placeholder="搜索简历标题" class="search-input" @confirm="loadResumes" />
+          <text class="search-btn" @click="loadResumes">搜索</text>
+        </view>
         <view class="resume-list" v-if="!resumeLoading">
           <view class="resume-row" v-for="r in resumes" :key="r._id">
             <view class="resume-main">
@@ -114,6 +126,9 @@
               <text class="resume-tag paid" v-if="r.paidDownload">付费下载</text>
             </view>
             <text class="resume-time">{{ r.createdAt?.slice(0,10) }}</text>
+            <view class="resume-actions">
+              <text class="admin-action-btn del" @click="deleteResume(r._id, r.title)">删除</text>
+            </view>
           </view>
         </view>
         <text class="loading-text" v-if="resumeLoading">加载中...</text>
@@ -176,12 +191,32 @@
           </view>
         </view>
 
+        <view class="config-card">
+          <view class="cfg-title">引力值消耗</view>
+          <view class="cfg-row">
+            <text>面试消耗引力值/次</text>
+            <input class="cfg-input" type="digit" v-model.number="pricing.gravityRates.interviewPerUse" />
+          </view>
+          <view class="cfg-row">
+            <text>优化消耗引力值/次</text>
+            <input class="cfg-input" type="digit" v-model.number="pricing.gravityRates.optimizePerUse" />
+          </view>
+          <view class="cfg-row">
+            <text>下载消耗引力值/次</text>
+            <input class="cfg-input" type="digit" v-model.number="pricing.gravityRates.downloadPerUse" />
+          </view>
+        </view>
+
         <view class="config-card">
           <view class="cfg-title">成长版 ¥{{ growthPriceDisplay }}</view>
           <view class="cfg-row">
             <text>价格（元/月）</text>
             <input class="cfg-input" type="digit" v-model.number="growthPriceTemp" />
           </view>
+          <view class="cfg-row">
+            <text>每月引力值</text>
+            <input class="cfg-input" type="digit" v-model.number="pricing.plans.growth.gravityPerMonth" />
+          </view>
           <view class="cfg-row">
             <text>面试额度/月</text>
             <input class="cfg-input" type="digit" v-model.number="pricing.plans.growth.credits.interview" />
@@ -207,7 +242,9 @@
             <input class="cfg-input" type="digit" v-model.number="sprintPriceTemp" />
           </view>
           <view class="cfg-row">
-            <text>面试额度/月</text>
+            <text>每月引力值</text>
+            <input class="cfg-input" type="digit" v-model.number="pricing.plans.sprint.gravityPerMonth" />
+          </view>
             <input class="cfg-input" type="digit" v-model.number="pricing.plans.sprint.credits.interview" />
           </view>
           <view class="cfg-row">
@@ -300,13 +337,27 @@
         <text class="loading-text" v-if="posLoading">加载中...</text>
       </view>
 
+      <!-- 诊断分析 -->
+      <view v-if="tab === 'analysis'" class="section">
+        <view class="config-card">
+          <view class="cfg-title">简历诊断</view>
+          <view class="cfg-row"><text>总诊断次数</text><text class="cfg-val">{{ analysisStats.totalDiagnoses ?? 0 }}</text></view>
+          <view class="cfg-row"><text>今日诊断</text><text class="cfg-val">{{ analysisStats.todayDiagnoses ?? 0 }}</text></view>
+        </view>
+        <view class="config-card">
+          <view class="cfg-title">技能缺口分析</view>
+          <view class="cfg-row"><text>总分析次数</text><text class="cfg-val">{{ analysisStats.totalGapAnalysis ?? 0 }}</text></view>
+        </view>
+        <text class="loading-text" v-if="analysisLoading">加载中...</text>
+      </view>
+
       <!-- 额度调整弹窗 -->
       <view class="modal-mask" v-if="creditModal.show" @click="closeCreditModal">
         <view class="modal-content" @click.stop>
           <text class="modal-title">调整 {{ creditModal.user?.nickname || '用户' }} 的额度</text>
-          <view class="cfg-row" v-for="t in creditTypes" :key="t.key">
+          <view class="cfg-row">
-            <text>{{ t.label }}</text>
+            <text>引力值</text>
-            <input class="cfg-input" type="digit" v-model.number="t.value" :placeholder="t.key" />
+            <input class="cfg-input" type="digit" v-model.number="creditGravity" />
           </view>
           <view class="modal-actions">
             <button class="modal-btn cancel" @click="closeCreditModal">取消</button>
@@ -333,6 +384,10 @@
               <text class="cfg-val">{{ posForm.active ? '启用' : '停用' }}</text>
             </picker>
           </view>
+          <view class="cfg-row"><text>岗位描述</text></view>
+          <textarea class="cfg-textarea" v-model="posForm.description" placeholder="岗位职责描述，每行一个要点" />
+          <view class="cfg-row"><text>任职要求</text></view>
+          <textarea class="cfg-textarea" v-model="posForm.requirements" placeholder="任职资格要求，每行一个要点" />
           <view class="modal-actions">
             <button class="modal-btn cancel" @click="closePositionModal">取消</button>
             <button class="modal-btn confirm" @click="savePosition">保存</button>
@@ -386,11 +441,10 @@
             <text class="admin-set-btn" v-if="searchResult.role !== 'admin'" @click="setAdmin(searchResult._id)">设为管理员</text>
             <text class="admin-set-btn done" v-else>已是管理员</text>
           </view>
-        </view>
       </view>
     </view>
   </view>
-</template>
+</template>
 
 <script setup>
 import { ref, computed, onMounted, reactive } from 'vue'
@@ -422,9 +476,10 @@ const pricing = ref({
   interview: { pricePerSession: 500 },
   resumeOptimize: { freeLimit: 3, pricePerOptimize: 300 },
   resumeDownload: { pricePerDownload: 200 },
+  gravityRates: { interviewPerUse: 5, optimizePerUse: 3, downloadPerUse: 2 },
   plans: {
-    growth: { price: 1990, durationDays: 30, credits: { interview: 999, resumeOptimize: 20, resumeDownload: 10 }, features: ['免费版全部权益', 'AI 数字人面试无限次'] },
+    growth: { price: 1990, durationDays: 30, gravityPerMonth: 250, credits: { interview: 999, resumeOptimize: 20, resumeDownload: 10 }, features: ['免费版全部权益', '每月 250 引力值'] },
-    sprint: { price: 4990, durationDays: 30, credits: { interview: 999, resumeOptimize: 50, resumeDownload: 30 }, features: ['成长版全部权益'] },
+    sprint: { price: 4990, durationDays: 30, gravityPerMonth: 600, credits: { interview: 999, resumeOptimize: 50, resumeDownload: 30 }, features: ['成长版全部权益', '每月 600 引力值'] },
   },
 })
 const pricingLoading = ref(false)
@@ -432,6 +487,14 @@ const growthPriceTemp = ref(19.9)
 const sprintPriceTemp = ref(49.9)
 const growthFeaturesText = ref('')
 const sprintFeaturesText = ref('')
+const ivKeyword = ref('')
+const ivStatusFilter = ref(0)
+const ivTotal = ref(0)
+const ivPage = ref(1)
+const resumeKeyword = ref('')
+const creditGravity = ref(0)
+const analysisStats = ref({ totalDiagnoses: 0, todayDiagnoses: 0, totalGapAnalysis: 0 })
+const analysisLoading = ref(false)
 
 // Position management
 const positions = ref([])
@@ -445,6 +508,8 @@ const posForm = reactive({
   sort: 0,
   active: true,
   category: 'ai',
+  description: '',
+  requirements: '',
 })
 
 const growthPriceDisplay = computed(() => growthPriceTemp.value.toFixed(1))
@@ -466,12 +531,6 @@ const shareLoading = ref(false)
 
 // Credit modal
 const creditModal = ref({ show: false, user: null })
-const creditTypes = ref([
-  { key: 'interviewCredits', label: '面试次数', value: 0 },
-  { key: 'resumeOptimizeCredits', label: '优化次数', value: 0 },
-  { key: 'resumeDownloadCredits', label: '下载次数', value: 0 },
-  { key: 'shareCredits', label: '分享积分', value: 0 },
-])
 
 // Refund modal
 const refundModal = ref({ show: false, order: null })
@@ -578,6 +637,7 @@ const switchTab = (t) => {
   if (t === 'admins' && adminList.value.length === 0) loadAdmins()
   if (t === 'pricing') loadPricing()
   if (t === 'orders') loadOrders()
+  if (t === 'analysis') loadAnalysis()
 }
 
 const loadUsers = async () => {
@@ -600,22 +660,55 @@ const loadMoreUsers = async () => {
 
 const loadInterviews = async () => {
   ivLoading.value = true
+  ivPage.value = 1
   try {
-    const res = await apiAdmin('/interviews?page=1&limit=20')
+    let url = '/interviews?page=1&limit=20&keyword=' + encodeURIComponent(ivKeyword.value)
-    if (res.statusCode === 200) interviews.value = res.data.interviews || []
+    const statusMap = ['', 'in_progress', 'completed']
+    if (ivStatusFilter.value > 0) url += '&status=' + statusMap[ivStatusFilter.value]
+    const res = await apiAdmin(url)
+    if (res.statusCode === 200) { interviews.value = res.data.interviews || []; ivTotal.value = res.data.total || 0 }
   } catch (e) { console.error(e) }
   finally { ivLoading.value = false }
 }
 
+const loadMoreInterviews = async () => {
+  ivPage.value++
+  try {
+    let url = '/interviews?page=' + ivPage.value + '&limit=20&keyword=' + encodeURIComponent(ivKeyword.value)
+    const statusMap = ['', 'in_progress', 'completed']
+    if (ivStatusFilter.value > 0) url += '&status=' + statusMap[ivStatusFilter.value]
+    const res = await apiAdmin(url)
+    if (res.statusCode === 200) interviews.value = [...interviews.value, ...(res.data.interviews || [])]
+  } catch (e) { console.error(e) }
+}
+
 const loadResumes = async () => {
   resumeLoading.value = true
   try {
-    const res = await apiAdmin('/resumes?page=1&limit=20')
+    let url = '/resumes?page=1&limit=20'
+    if (resumeKeyword.value) url += '&keyword=' + encodeURIComponent(resumeKeyword.value)
+    const res = await apiAdmin(url)
     if (res.statusCode === 200) resumes.value = res.data.list || []
   } catch (e) { console.error(e) }
   finally { resumeLoading.value = false }
 }
 
+const deleteResume = (id, title) => {
+  uni.showModal({
+    title: '删除简历', content: `确定删除"${title}"？`,
+    success: async (r) => {
+      if (!r.confirm) return
+      try {
+        const res = await apiAdmin('/resume/' + id, { method: 'DELETE' })
+        if (res.statusCode === 200) {
+          uni.showToast({ title: '已删除', icon: 'success' })
+          loadResumes()
+        } else throw new Error()
+      } catch { uni.showToast({ title: '删除失败', icon: 'none' }) }
+    },
+  })
+}
+
 const loadPricing = async () => {
   pricingLoading.value = true
   try {
@@ -631,6 +724,15 @@ const loadPricing = async () => {
   finally { pricingLoading.value = false }
 }
 
+const loadAnalysis = async () => {
+  analysisLoading.value = true
+  try {
+    const res = await apiAdmin('/analysis-stats')
+    if (res.statusCode === 200) analysisStats.value = res.data
+  } catch(e) { console.error(e) }
+  finally { analysisLoading.value = false }
+}
+
 const savePricing = async () => {
   pricingLoading.value = true
   try {
@@ -721,6 +823,8 @@ const openPositionModal = (position) => {
     posForm.sort = position.sort ?? 0
     posForm.active = position.active ?? true
     posForm.category = position.category || 'traditional'
+    posForm.description = position.description || ''
+    posForm.requirements = position.requirements || ''
     posModal.value = { show: true, isNew: false }
   } else {
     posForm.name = ''
@@ -730,6 +834,8 @@ const openPositionModal = (position) => {
     posForm.sort = positions.value.length + 1
     posForm.active = true
     posForm.category = 'ai'
+    posForm.description = ''
+    posForm.requirements = ''
     posModal.value = { show: true, isNew: true }
   }
 }
@@ -835,12 +941,7 @@ const loadShareVisitors = async () => {
 }
 
 const openCreditModal = (user) => {
-  creditTypes.value = [
+  creditGravity.value = user.gravity ?? 0
-    { key: 'interviewCredits', label: '面试次数', value: user.interviewCredits ?? 0 },
-    { key: 'resumeOptimizeCredits', label: '优化次数', value: user.resumeOptimizeCredits ?? 0 },
-    { key: 'resumeDownloadCredits', label: '下载次数', value: user.resumeDownloadCredits ?? 0 },
-    { key: 'shareCredits', label: '分享积分', value: user.shareCredits ?? 0 },
-  ]
   creditModal.value = { show: true, user }
 }
 
@@ -852,12 +953,10 @@ const doAdjustCredits = async () => {
   const userId = creditModal.value.user?._id
   if (!userId) return
   try {
-    for (const t of creditTypes.value) {
+    await apiAdmin('/user/credits', {
-      await apiAdmin('/user/credits', {
+      method: 'POST',
-        method: 'POST',
+      data: { userId, type: 'gravity', amount: creditGravity.value },
-        data: { userId, type: t.key, amount: t.value },
+    })
-      })
-    }
     uni.showToast({ title: '调整成功', icon: 'success' })
     closeCreditModal()
     loadUsers()
@@ -877,7 +976,7 @@ onMounted(() => { doVerify() })
 .btn-verify { height: 72rpx; background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-mid)); color: #FFF; border-radius: var(--radius-sm); font-size: 26rpx; border: none; }
 .body { padding: 20rpx 32rpx 48rpx; margin-top: -40rpx; }
 .tabs { display: flex; gap: 8rpx; background: #FFF; border-radius: var(--radius-md); padding: 6rpx; margin-bottom: 20rpx; }
-.tab { flex: 1; text-align: center; padding: 14rpx; font-size: 24rpx; color: var(--color-text-secondary); border-radius: var(--radius-sm); }
+.tab { flex: 1; text-align: center; padding: 14rpx; font-size: 24rpx; color: var(--color-text-secondary); border-radius: var(--radius-sm); white-space: nowrap; }
 .tab.active { background: var(--color-primary); color: #FFF; font-weight: 600; }
 .stat-cards { display: flex; gap: 16rpx; }
 .stat-card { flex: 1; background: #FFF; border-radius: var(--radius-lg); padding: 28rpx; text-align: center; box-shadow: var(--shadow-sm); }
@@ -988,4 +1087,8 @@ onMounted(() => { doVerify() })
 .pos-mgr-btn { font-size: 20rpx; padding: 4rpx 16rpx; border-radius: var(--radius-round); }
 .pos-mgr-btn.edit { color: var(--color-primary); border: 2rpx solid var(--color-primary); }
 .pos-mgr-btn.del { color: #EF4444; border: 2rpx solid #EF4444; }
+.iv-time { font-size: 18rpx; color: #D1D5DB; white-space: nowrap; margin-left: auto; }
+.admin-action-btn { font-size: 20rpx; padding: 4rpx 16rpx; border-radius: var(--radius-round); cursor: pointer; }
+.admin-action-btn.del { color: #EF4444; border: 2rpx solid #EF4444; }
+.resume-actions { display: flex; gap: 8rpx; align-items: center; }
 </style>

zhiyin-app/src/pages/index/index.vue

@@ -13,7 +13,7 @@
               <text class="user-name">{{ userInfo.nickname || '同学' }}</text>
               <view class="user-tags">
                 <text class="tag tag-plan">{{ userInfo.plan || '免费版' }}</text>
-                <text class="tag tag-remaining">{{ userInfo.interviewCredits > 0 ? '剩余 ' + userInfo.interviewCredits + ' 次' : '已用完' }}</text>
+                <text class="tag tag-remaining">{{ (userInfo.gravity ?? 0) > 0 ? '引力值 ' + (userInfo.gravity ?? 0) : '引力值 0' }}</text>
               </view>
             </view>
             <text class="arrow">›</text>

zhiyin-app/src/pages/interview/interview.vue

@@ -66,10 +66,53 @@
       </view>
     </view>
 
+    <!-- 岗位选择弹窗 -->
+    <view class="modal-overlay" v-if="showPositionPicker" @click="showPositionPicker = false">
+      <view class="modal-content" @click.stop>
+        <text class="modal-title">选择面试岗位</text>
+        <view class="pos-list">
+          <view class="pos-option" v-for="(pos, idx) in positions" :key="idx" @click="selectPosition(pos)">
+            <text class="pos-name">{{ pos.name }}</text>
+            <text class="pos-arrow">›</text>
+          </view>
+          <view class="pos-option" v-if="positions.length === 0 && !positionsLoading">
+            <text class="pos-name disabled">暂无可用岗位</text>
+          </view>
+          <view class="pos-option" v-if="positionsLoading">
+            <text class="pos-name disabled">加载中...</text>
+          </view>
+        </view>
+        <text class="modal-close" @click="showPositionPicker = false">取消</text>
+      </view>
+    </view>
+
     <view class="disclaimer-bar" v-if="!isComplete">AI 生成内容仅供参考，请核实重要信息</view>
 
     <view class="complete-bar" v-else>
       <button class="cta-btn" @click="goResult">查看面试报告</button>
+      <button class="buy-btn" v-if="completedReason === 'noCredits'" @click="showPurchaseModal = true">引力值不足，补充引力值或开通会员 ›</button>
+    </view>
+
+    <!-- 购买弹窗（次数不足时） -->
+    <view class="modal-overlay" v-if="showPurchaseModal" @click="showPurchaseModal = false">
+      <view class="modal-content" @click.stop>
+        <text class="modal-title">引力值不足</text>
+        <text class="modal-hint">您的引力值不足，请补充后继续面试（每次面试消耗 5 引力值）</text>
+        <view class="purchase-options">
+          <view class="purchase-option" @click="goBuyProduct">
+            <text class="purchase-name">补充引力值</text>
+            <text class="purchase-price">¥5 起</text>
+            <text class="purchase-desc">¥5 = 5 引力值，可面试 1 次</text>
+          </view>
+          <view class="purchase-option recommended" @click="goBuyMember">
+            <text class="purchase-badge">推荐</text>
+            <text class="purchase-name">开通成长版会员</text>
+            <text class="purchase-price">¥19.9<text class="purchase-unit">/月</text></text>
+            <text class="purchase-desc">每月 250 引力值，解锁全部权益</text>
+          </view>
+        </view>
+        <text class="modal-close" @click="showPurchaseModal = false">取消</text>
+      </view>
     </view>
   </view>
 </template>
@@ -86,9 +129,14 @@ const aiLoading = ref(false)
 const interviewId = ref('')
 const answeredCount = ref(0)
 const isComplete = ref(false)
+const completedReason = ref('')
 const scrollToId = ref('')
 const position = ref('')
 const avatarMode = ref(true)
+const showPositionPicker = ref(false)
+const showPurchaseModal = ref(false)
+const positions = ref([])
+const positionsLoading = ref(false)
 const aiSpeechText = ref('')
 const aiAudioUrl = ref('')
 const aiAmplitudeData = ref([])
@@ -116,9 +164,37 @@ onLoad((options) => {
   }
 })
 
+/** 加载热门岗位列表 */
+const loadPositions = async () => {
+  positionsLoading.value = true
+  try {
+    const res = await uni.request({ url: api('/positions/hot'), method: 'GET' })
+    if (res.statusCode >= 200 && res.statusCode < 300 && Array.isArray(res.data)) {
+      positions.value = res.data
+    } else if (res.data?.data && Array.isArray(res.data.data)) {
+      positions.value = res.data.data
+    }
+  } catch (e) { console.error('加载岗位列表失败', e) }
+  finally { positionsLoading.value = false }
+}
+
+/** 用户选择岗位后开始面试 */
+const selectPosition = (pos) => {
+  position.value = pos.name
+  showPositionPicker.value = false
+  messages.value = [{ role: 'ai', content: `你好！我是你的专属 ${pos.name} 面试官，准备好了就开始吧！` }]
+  startInterview()
+}
+
 onMounted(() => {
   timerInterval = setInterval(() => timerSeconds++, 1000)
-  if (token()) startInterview()
+  if (!position.value) {
+    // 未传入岗位，展示选择弹窗（无论是否登录）
+    loadPositions()
+    showPositionPicker.value = true
+  } else if (token()) {
+    startInterview()
+  }
 })
 
 onBeforeUnmount(() => {
@@ -155,6 +231,11 @@ const startInterview = async () => {
         const last = res.data.messages[res.data.messages.length - 1]
         if (last?.role === 'ai') await speakAiText(last.content)
       }
+    } else if (res.statusCode === 403) {
+      const errMsg = res.data?.message || '面试次数已用完'
+      messages.value.push({ role: 'ai', content: errMsg + ' 👉 购买后可继续面试' })
+      isComplete.value = true
+      completedReason.value = 'noCredits'
     } else {
       const msg = res.data?.message || '创建面试失败'
       messages.value.push({ role: 'ai', content: msg })
@@ -198,8 +279,10 @@ const sendAnswer = async () => {
       answeredCount.value = res.data.questionCount || answeredCount.value + 1
       if (res.data.totalQuestions) MAX_QUESTIONS = res.data.totalQuestions
     } else if (res.statusCode === 403) {
-      messages.value.push({ role: 'ai', content: res.data?.message || '面试次数已用完' })
+      const errMsg = res.data?.message || '面试次数已用完'
+      messages.value.push({ role: 'ai', content: errMsg + ' 👉 购买后可继续面试' })
       isComplete.value = true
+      completedReason.value = 'noCredits'
     } else {
       messages.value.push({ role: 'ai', content: res.data?.message || '回答提交失败' })
     }
@@ -240,6 +323,8 @@ function onAvatarSilent() {
 }
 
 const goResult = () => uni.navigateTo({ url: `/pages/report/report?interviewId=${interviewId.value}` })
+const goBuyProduct = () => uni.navigateTo({ url: '/pages/member/member?buy=interview' })
+const goBuyMember = () => uni.navigateTo({ url: '/pages/member/member' })
 const scrollToBottom = () => {
   nextTick(() => { scrollToId.value = ''; setTimeout(() => { scrollToId.value = 'msg-bottom' }, 100) })
 }
@@ -389,7 +474,32 @@ function stopRecord() {
 .send-btn.disabled { background: var(--color-border); }
 .send-icon { font-size: 32rpx; color: #FFFFFF; transform: translateY(2rpx); }
 
-.complete-bar { background: #FFFFFF; padding: 20rpx 24rpx; padding-bottom: calc(20rpx + var(--safe-bottom)); }
+.complete-bar { background: #FFFFFF; padding: 20rpx 24rpx; padding-bottom: calc(20rpx + var(--safe-bottom)); display: flex; flex-direction: column; gap: 16rpx; }
 .cta-btn { width: 100%; height: 88rpx; line-height: 88rpx; background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-mid)); color: #FFFFFF; border-radius: var(--radius-md); font-size: 28rpx; font-weight: 600; border: none; }
+.buy-btn { width: 100%; height: 72rpx; line-height: 72rpx; background: #FEF3C7; color: #92400E; border-radius: var(--radius-md); font-size: 26rpx; font-weight: 600; border: 2rpx solid #F59E0B; }
 .disclaimer-bar { text-align: center; font-size: 20rpx; color: var(--color-text-tertiary); padding: 8rpx 24rpx; background: #FFFFFF; border-top: 1rpx solid var(--color-border); }
+
+/* 岗位选择弹窗 */
+.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.45); z-index: 999; display: flex; align-items: center; justify-content: center; }
+.modal-content { background: #FFF; border-radius: 20rpx; width: 600rpx; max-height: 70vh; display: flex; flex-direction: column; align-items: center; padding: 40rpx 32rpx 32rpx; }
+.modal-title { font-size: 30rpx; font-weight: 800; color: var(--color-text); margin-bottom: 24rpx; }
+.pos-list { width: 100%; max-height: 440rpx; overflow-y: auto; }
+.pos-option { display: flex; align-items: center; justify-content: space-between; padding: 24rpx 16rpx; border-bottom: 1rpx solid #F3F4F6; }
+.pos-option:active { background: #F9FAFB; border-radius: 12rpx; }
+.pos-name { font-size: 28rpx; color: var(--color-text); }
+.pos-name.disabled { color: #9CA3AF; }
+.pos-arrow { font-size: 32rpx; color: #9CA3AF; }
+.modal-close { margin-top: 24rpx; font-size: 26rpx; color: #9CA3AF; padding: 12rpx 32rpx; }
+
+/* 购买弹窗 */
+.modal-hint { font-size: 24rpx; color: #6B7280; text-align: center; margin-bottom: 28rpx; padding: 0 16rpx; }
+.purchase-options { width: 100%; display: flex; flex-direction: column; gap: 16rpx; }
+.purchase-option { background: #F9FAFB; border-radius: var(--radius-md); padding: 24rpx; border: 2rpx solid #E5E7EB; }
+.purchase-option.recommended { background: #FFFBEB; border-color: #F59E0B; }
+.purchase-option:active { transform: scale(0.97); }
+.purchase-badge { font-size: 18rpx; color: #FFF; background: #F59E0B; padding: 2rpx 12rpx; border-radius: 6rpx; align-self: flex-start; margin-bottom: 8rpx; }
+.purchase-name { font-size: 28rpx; font-weight: 700; color: var(--color-text); display: block; }
+.purchase-price { font-size: 36rpx; font-weight: 800; color: var(--color-primary); margin-top: 8rpx; }
+.purchase-unit { font-size: 22rpx; font-weight: 400; color: #9CA3AF; }
+.purchase-desc { font-size: 22rpx; color: #6B7280; margin-top: 6rpx; }
 </style>

zhiyin-app/src/pages/member/member.vue

@@ -79,6 +79,30 @@
       </view>
     </view>
 
+    <!-- 数量选择弹窗（补充引力值） -->
+    <view class="modal-overlay" v-if="showQuantityModal" @click="showQuantityModal = false">
+      <view class="modal-content" @click.stop>
+        <text class="modal-title">补充引力值</text>
+        <text class="modal-hint">购买后将获得相应引力值，可用于面试、优化、下载</text>
+        <view class="qty-selector">
+          <text class="qty-label">购买数量</text>
+          <view class="qty-controls">
+            <text class="qty-btn" :class="{ disabled: buyQuantity <= 1 }" @click="changeQty(-1)">−</text>
+            <input class="qty-input" type="number" v-model.number="buyQuantity" min="1" max="99" @blur="clampQty" />
+            <text class="qty-btn" :class="{ disabled: buyQuantity >= 99 }" @click="changeQty(1)">+</text>
+          </view>
+        </view>
+        <view class="qty-summary">
+          <text class="qty-unit-price">单价：¥{{ (unitPrice / 100).toFixed(1) }}</text>
+          <text class="qty-total">获 <text class="qty-total-num">{{ buyQuantity * buyGravityPerUnit }}</text> 引力值</text>
+        </view>
+        <view class="qty-actions">
+          <text class="qty-cancel" @click="showQuantityModal = false">取消</text>
+          <text class="qty-confirm" @click="confirmProductBuy">¥{{ totalPrice.toFixed(1) }} 去支付</text>
+        </view>
+      </view>
+    </view>
+
     <!-- 支付中提示 -->
     <view class="pay-success" v-if="paySuccess">
       <text class="success-icon">🎉</text>
@@ -88,7 +112,8 @@
 </template>
 
 <script setup>
-import { ref, onMounted, nextTick } from 'vue'
+import { ref, computed, onMounted, nextTick } from 'vue'
+import { onLoad, onShow } from '@dcloudio/uni-app'
 import { api } from '../../config'
 import UQRCode from 'uqrcodejs'
 
@@ -106,19 +131,38 @@ const payingPlan = ref('')
 const growthPriceText = ref('¥19.9')
 const sprintPriceText = ref('¥49.9')
 const currentOutTradeNo = ref('')
-const freeFeatures = ref(['AI 模拟面试 1 次（体验）', '基础面试报告', '通用题库随机出题', '简历优化（限 3 次免费）'])
+const freeFeatures = ref(['AI 模拟面试 1 次（注册送 5 引力值）', '基础面试报告', '通用题库随机出题', '简历优化（限 3 次免费）'])
-const growthFeatures = ref(['免费版全部权益', 'AI 数字人面试无限次', '详细面试报告（四维评分）', '进步轨迹雷达图 + 打卡', '每日一题', '参考回答思路', '公司真题库'])
+const growthFeatures = ref(['免费版全部权益', '每月 250 引力值（约 50 次面试）', '详细面试报告（四维评分）', '进步轨迹雷达图 + 打卡', '每日一题', '参考回答思路', '公司真题库'])
-const sprintFeatures = ref(['成长版全部权益', 'AI 语音分析（语气词/语速检测）', '技能缺口分析报告', '公司真题库精选'])
+const sprintFeatures = ref(['成长版全部权益', '每月 600 引力值（约 120 次面试）', 'AI 语音分析（语气词/语速检测）', '技能缺口分析报告', '公司真题库精选'])
+const products = ref([])
+const gravityRates = ref({ interviewPerUse: 5, optimizePerUse: 3, downloadPerUse: 2 })
+const productPayType = ref('')
+const showQuantityModal = ref(false)
+const buyQuantity = ref(1)
+const buyProductType = ref('')
+const pendingBuy = ref('')
+const unitPrice = computed(() => {
+  const p = products.value.find(p => p.type === buyProductType.value)
+  return p?.price || 0
+})
+const totalPrice = computed(() => (unitPrice.value * buyQuantity.value) / 100)
+const buyGravityPerUnit = computed(() => {
+  const p = products.value.find(p => p.type === buyProductType.value)
+  return p?.gravity || 0
+})
 
 const token = () => uni.getStorageSync('token') || ''
 
-onMounted(async () => {
+const refreshState = async () => {
   // #ifdef MP-WEIXIN
   isMp.value = true
   // #endif
 
   const t = token()
-  if (!t) return
+  if (!t) {
+    isLoggedIn.value = false
+    return
+  }
   isLoggedIn.value = true
 
   try {
@@ -126,12 +170,12 @@ onMounted(async () => {
       uni.request({ url: api('/member/status'), method: 'GET', header: { 'Authorization': `Bearer ${t}` } }),
       uni.request({ url: api('/member/plans'), method: 'GET' }),
     ])
-    if (sres.statusCode === 200) {
+    if (sres.statusCode >= 200 && sres.statusCode < 300) {
       const d = sres.data
       plan.value = d.plan || 'free'
       currentPlanName.value = d.planName || '免费版'
     }
-    if (lres.statusCode === 200 && lres.data) {
+    if (lres.statusCode >= 200 && lres.statusCode < 300 && lres.data) {
       const plans = Array.isArray(lres.data.plans) ? lres.data.plans : (Array.isArray(lres.data) ? lres.data : [])
       const growth = plans.find((p) => p.id === 'growth')
       const sprint = plans.find((p) => p.id === 'sprint')
@@ -144,10 +188,36 @@ onMounted(async () => {
       if (lres.data.price?.monthly) {
         growthPriceText.value = `¥${(lres.data.price.monthly / 100).toFixed(1)}`
       }
+      if (lres.data?.products) {
+        const prodList = []
+        for (const [key, val] of Object.entries(lres.data.products)) {
+          if (val?.price > 0) prodList.push({ type: key, ...val })
+        }
+        products.value = prodList
+      }
+      if (lres.data?.gravityRates) {
+        gravityRates.value = lres.data.gravityRates
+      }
+    }
+    // 来自其他页面的补充次数请求 → 弹出数量选择
+    if (pendingBuy.value && products.value.length > 0) {
+      buyProductType.value = pendingBuy.value
+      buyQuantity.value = 1
+      pendingBuy.value = ''
+      showQuantityModal.value = true
     }
   } catch (e) { /* ignore */ }
+}
+
+onLoad((options) => {
+  if (options?.buy) {
+    pendingBuy.value = options.buy
+  }
 })
 
+onMounted(() => { refreshState() })
+onShow(() => { refreshState() })
+
 const goLogin = () => uni.navigateTo({ url: '/pages/login/login' })
 
 const cancelPay = () => {
@@ -163,12 +233,7 @@ const startPay = async (selectedPlan) => {
   if (!t) { uni.showToast({ title: '请先登录', icon: 'none' }); return }
 
   payingPlan.value = selectedPlan
-  // #ifdef MP-WEIXIN
   payingPlanName.value = selectedPlan === 'sprint' ? '冲刺版' : '成长版'
-  // #endif
-  // #ifndef MP-WEIXIN
-  payingPlanName.value = selectedPlan === 'sprint' ? '冲刺版' : '成长版'
-  // #endif
 
   showPayModal.value = true
   payLoading.value = true
@@ -179,18 +244,50 @@ const startPay = async (selectedPlan) => {
   if (isMp.value) {
     // 小程序：JSAPI 支付
     try {
-      const res = await uni.request({
+      let res = await uni.request({
         url: api('/payment/jsapi'), method: 'POST',
         data: { plan: planLabel },
         header: { 'Authorization': `Bearer ${t}`, 'Content-Type': 'application/json' },
         timeout: 30000,
       })
+
+      // 如果没有 openid，自动绑定
+      if (res.statusCode === 400 && res.data?.needBindWx) {
+        payLoading.value = false
+        uni.showLoading({ title: '绑定微信中...' })
+        try {
+          const loginRes = await uni.login()
+          if (!loginRes?.errMsg?.includes('ok')) throw new Error('获取微信凭证失败')
+          const bindRes = await uni.request({
+            url: api('/user/bind-wx'), method: 'POST',
+            data: { code: loginRes.code },
+            header: { 'Authorization': `Bearer ${t}`, 'Content-Type': 'application/json' },
+          })
+          if (bindRes.statusCode >= 200 && bindRes.statusCode < 300) {
+            // 绑定成功，重试支付
+            res = await uni.request({
+              url: api('/payment/jsapi'), method: 'POST',
+              data: { plan: planLabel },
+              header: { 'Authorization': `Bearer ${t}`, 'Content-Type': 'application/json' },
+              timeout: 30000,
+            })
+          } else {
+            throw new Error(bindRes.data?.message || '微信绑定失败')
+          }
+        } catch (e) {
+          uni.hideLoading()
+          payError.value = '微信绑定失败，请重试'
+          uni.showToast({ title: '微信绑定失败', icon: 'none' })
+          return
+        }
+        uni.hideLoading()
+      }
+
       payLoading.value = false
 
-      if (res.statusCode === 200 && res.data?.payParams) {
+      if (res.statusCode >= 200 && res.statusCode < 300 && res.data?.payParams) {
         const pp = res.data.payParams
         currentOutTradeNo.value = res.data.outTradeNo || ''
-        // 调起微信支付
         uni.requestPayment({
           provider: 'wxpay',
           timeStamp: pp.timeStamp,
@@ -202,7 +299,7 @@ const startPay = async (selectedPlan) => {
             const no = currentOutTradeNo.value || res.data.outTradeNo
             pollPayResult(no, planLabel)
           },
-          fail: (err) => { payError.value = '支付取消或失败'; uni.showToast({ title: '支付取消', icon: 'none' }) },
+          fail: (err) => { payError.value = '支付未完成'; uni.showToast({ title: '支付未完成', icon: 'none' }) },
         })
       } else if (!res.statusCode || res.statusCode === 0) {
         payLoading.value = false
@@ -211,9 +308,12 @@ const startPay = async (selectedPlan) => {
         uni.showToast({ title: errMsg, icon: 'none' })
       } else {
         payLoading.value = false
-        const errMsg = res.data?.message || '创建订单失败'
+        // DEBUG: 显示实际返回的状态和数据以便排查
+        const debugInfo = `[${res.statusCode}] ${JSON.stringify(res.data).substring(0, 120)}`
+        console.error('支付响应异常:', debugInfo)
+        const errMsg = res.data?.message || `创建订单失败(${debugInfo})`
         payError.value = errMsg
-        uni.showToast({ title: errMsg, icon: 'none' })
+        uni.showToast({ title: errMsg, icon: 'none', duration: 4000 })
       }
     } catch (e) {
       payLoading.value = false
@@ -230,7 +330,7 @@ const startPay = async (selectedPlan) => {
       })
       payLoading.value = false
 
-      if (res.statusCode === 200 && res.data?.codeUrl) {
+      if (res.statusCode >= 200 && res.statusCode < 300 && res.data?.codeUrl) {
         payCodeUrl.value = res.data.codeUrl
         currentOutTradeNo.value = res.data.outTradeNo
         nextTick(() => {
@@ -265,6 +365,117 @@ const startPay = async (selectedPlan) => {
   }
 }
 
+/** 数量增减 */
+const changeQty = (delta) => {
+  const next = buyQuantity.value + delta
+  if (next >= 1 && next <= 99) buyQuantity.value = next
+}
+const clampQty = () => {
+  if (buyQuantity.value < 1) buyQuantity.value = 1
+  if (buyQuantity.value > 99) buyQuantity.value = 99
+}
+
+/** 确认购买（从数量选择弹窗触发） */
+const confirmProductBuy = () => {
+  showQuantityModal.value = false
+  startProductPay(buyProductType.value, buyQuantity.value)
+}
+
+/** 按次购买 */
+const startProductPay = async (type, quantity = 1) => {
+  const t = token()
+  if (!t) { uni.showToast({ title: '请先登录', icon: 'none' }); return }
+  productPayType.value = type
+  showPayModal.value = true
+  payLoading.value = true
+  payError.value = ''
+
+  const prod = products.value.find(p => p.type === type)
+  const prodTitle = prod?.title || type
+
+  if (isMp.value) {
+    // 小程序：JSAPI 按次支付
+    try {
+      let res = await uni.request({
+        url: api('/payment/jsapi-product'), method: 'POST',
+        data: { type, quantity },
+        header: { 'Authorization': `Bearer ${t}`, 'Content-Type': 'application/json' },
+        timeout: 30000,
+      })
+      payLoading.value = false
+
+      if (res.statusCode >= 200 && res.statusCode < 300 && res.data?.payParams) {
+        const pp = res.data.payParams
+        currentOutTradeNo.value = res.data.outTradeNo || ''
+        uni.requestPayment({
+          provider: 'wxpay',
+          timeStamp: pp.timeStamp,
+          nonceStr: pp.nonceStr,
+          package: pp.package,
+          signType: pp.signType || 'RSA',
+          paySign: pp.paySign,
+          success: () => {
+            const no = currentOutTradeNo.value || res.data.outTradeNo
+            pollPayResult(no, 'growth')
+          },
+          fail: (err) => { payError.value = '支付未完成'; uni.showToast({ title: '支付未完成', icon: 'none' }) },
+        })
+      } else if (!res.statusCode || res.statusCode === 0) {
+        payLoading.value = false
+        uni.showToast({ title: '网络连接失败', icon: 'none' })
+      } else {
+        payLoading.value = false
+        const errMsg = res.data?.message || '购买失败'
+        payError.value = errMsg
+        uni.showToast({ title: errMsg, icon: 'none' })
+      }
+    } catch (e) {
+      payLoading.value = false
+      payError.value = '网络错误，请重试'
+      uni.showToast({ title: '网络错误', icon: 'none' })
+    }
+  } else {
+    // H5：扫码支付
+    try {
+      const res = await uni.request({
+        url: api('/payment/create-product'), method: 'POST',
+        data: { type, quantity },
+        header: { 'Authorization': `Bearer ${t}`, 'Content-Type': 'application/json' },
+      })
+      payLoading.value = false
+
+      if (res.statusCode >= 200 && res.statusCode < 300 && res.data?.codeUrl) {
+        payCodeUrl.value = res.data.codeUrl
+        currentOutTradeNo.value = res.data.outTradeNo
+        nextTick(() => {
+          try {
+            const ctx = uni.createCanvasContext('payQrcode')
+            const uqrcode = new UQRCode()
+            uqrcode.data = res.data.codeUrl
+            uqrcode.size = 400
+            uqrcode.margin = 20
+            uqrcode.backgroundColor = '#FFFFFF'
+            uqrcode.foregroundColor = '#000000'
+            uqrcode.make()
+            uqrcode.drawCanvas(ctx)
+          } catch(e) { console.error('二维码生成失败', e) }
+        })
+        pollPayResult(res.data.outTradeNo, 'growth')
+      } else if (!res.statusCode || res.statusCode === 0) {
+        payLoading.value = false
+        uni.showToast({ title: '网络连接失败', icon: 'none' })
+      } else {
+        payError.value = res.data?.message || '购买失败'
+        uni.showToast({ title: res.data?.message || '购买失败', icon: 'none' })
+      }
+    } catch (e) {
+      payLoading.value = false
+      payError.value = '网络错误，请重试'
+      uni.showToast({ title: '网络错误', icon: 'none' })
+    }
+  }
+}
+
 /** 轮询订单状态 */
 const pollPayResult = async (outTradeNo, selectedPlan) => {
   if (!outTradeNo) return
@@ -278,7 +489,7 @@ const pollPayResult = async (outTradeNo, selectedPlan) => {
         url: api(`/payment/check/${outTradeNo}`), method: 'GET',
         header: { 'Authorization': `Bearer ${token()}` },
       })
-      if (res.statusCode === 200 && res.data?.status === 'success') {
+      if (res.statusCode >= 200 && res.statusCode < 300 && res.data?.status === 'success') {
         // 支付成功，激活套餐
         await activatePlan(outTradeNo, selectedPlan)
         return
@@ -303,7 +514,7 @@ const activatePlan = async (outTradeNo, selectedPlan) => {
       data: { outTradeNo },
       header: { 'Authorization': `Bearer ${token()}`, 'Content-Type': 'application/json' },
     })
-    if (res.statusCode === 200 && res.data?.success) {
+    if (res.statusCode >= 200 && res.statusCode < 300 && res.data?.success) {
       paySuccess.value = true
       showPayModal.value = false
       plan.value = selectedPlan === 'sprint' ? 'sprint' : 'growth'
@@ -354,4 +565,20 @@ const activatePlan = async (outTradeNo, selectedPlan) => {
 .qr-canvas { width: 400rpx; height: 400rpx; background: #FFF; border-radius: var(--radius-md); }
 .modal-hint { font-size: 22rpx; color: var(--color-text-tertiary); }
 .modal-close { font-size: 22rpx; color: var(--color-text-tertiary); padding: 8rpx; }
+
+/* 数量选择弹窗 */
+.qty-selector { width: 100%; }
+.qty-label { font-size: 24rpx; color: #6B7280; margin-bottom: 16rpx; display: block; }
+.qty-controls { display: flex; align-items: center; justify-content: center; gap: 24rpx; }
+.qty-btn { width: 64rpx; height: 64rpx; border-radius: 50%; background: #F3F4F6; display: flex; align-items: center; justify-content: center; font-size: 36rpx; font-weight: 500; color: var(--color-text); }
+.qty-btn.disabled { color: #D1D5DB; background: #F9FAFB; }
+.qty-btn:active:not(.disabled) { transform: scale(0.9); background: #E5E7EB; }
+.qty-input { width: 100rpx; height: 72rpx; text-align: center; font-size: 36rpx; font-weight: 700; color: var(--color-text); border: 2rpx solid #E5E7EB; border-radius: var(--radius-sm); }
+.qty-summary { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 16rpx 0; border-top: 1rpx solid #F3F4F6; }
+.qty-unit-price { font-size: 22rpx; color: #6B7280; }
+.qty-total { font-size: 26rpx; color: var(--color-text); font-weight: 500; }
+.qty-total-num { font-size: 36rpx; font-weight: 800; color: var(--color-primary); }
+.qty-actions { width: 100%; display: flex; gap: 16rpx; margin-top: 8rpx; }
+.qty-cancel { flex: 1; text-align: center; padding: 20rpx; border-radius: var(--radius-md); font-size: 26rpx; color: #6B7280; border: 2rpx solid #E5E7EB; }
+.qty-confirm { flex: 2; text-align: center; padding: 20rpx; border-radius: var(--radius-md); font-size: 26rpx; font-weight: 600; color: #FFF; background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-mid)); }
 </style>

zhiyin-app/src/pages/share/share.vue

@@ -4,8 +4,8 @@
     <view class="stats-card">
       <view class="stat-row">
         <view class="stat-item">
-          <text class="stat-value">{{ stats.shareCredits || 0 }}</text>
+          <text class="stat-value">{{ stats.gravity ?? 0 }}</text>
-          <text class="stat-label">📦 我的积分</text>
+          <text class="stat-label">🌌 我的引力值</text>
         </view>
       </view>
       <view class="stat-sub-row">
@@ -20,12 +20,12 @@
         </view>
         <view class="stat-arrow">→</view>
         <view class="stat-sub-item">
-          <text class="stat-sub-value">{{ stats.shareCredits || 0 }}</text>
+          <text class="stat-sub-value">{{ stats.gravity || 0 }}</text>
-          <text class="stat-sub-label">获得积分</text>
+          <text class="stat-sub-label">获得引力值</text>
         </view>
       </view>
       <view class="hint">
-        💡 好友通过你的链接打开并 <text class="hint-em">登录/注册</text> 才算有效，每次有效得 1 积分
+        💡 好友通过你的链接打开并 <text class="hint-em">登录/注册</text> 才算有效，每次有效获 1 引力值（每日上限 3）
       </view>
     </view>
 
@@ -49,15 +49,31 @@
       <view class="today-bar">
         <view class="today-bar-fill" :style="{ width: Math.min(100, (todayStats.credited / 3) * 100) + '%' }"></view>
       </view>
-      <text class="today-hint">每日最多 3 次有效积分</text>
+      <text class="today-hint">每日最多 3 次有效引力值，分享给朋友圈可获更多</text>
     </view>
 
     <!-- 分享按钮 -->
     <view class="share-actions">
+      <!-- #ifdef MP-WEIXIN -->
+      <button class="share-btn wx-share" open-type="share">
+        <text class="btn-icon">💬</text>
+        <text>分享给好友</text>
+      </button>
+      <button class="share-btn wx-share" open-type="share" data-mode="timeline">
+        <text class="btn-icon">🔄</text>
+        <text>分享朋友圈</text>
+      </button>
+      <!-- #endif -->
+      <!-- #ifdef H5 -->
       <button class="share-btn wx-share" @click="shareToWechat" v-if="isWechat">
         <text class="btn-icon">💬</text>
         <text>分享给微信好友</text>
       </button>
+      <button class="share-btn wx-timeline" @click="shareToWechat" v-if="isWechat">
+        <text class="btn-icon">🔄</text>
+        <text>分享朋友圈</text>
+      </button>
+      <!-- #endif -->
       <button class="share-btn link-share" @click="copyLink">
         <text class="btn-icon">🔗</text>
         <text>复制分享链接</text>
@@ -113,10 +129,14 @@
 
 <script setup>
 import { ref, computed, onMounted } from 'vue'
+// #ifdef MP-WEIXIN
+import { onShareAppMessage, onShareTimeline } from '@dcloudio/uni-app'
+// #endif
 import { api } from '../../config'
 
 const tab = ref('records')
-const stats = ref({ totalShares: 0, totalVisits: 0, creditedCount: 0, todayCredited: 0, shareCredits: 0 })
+const stats = ref({ totalShares: 0, totalVisits: 0, creditedCount: 0, todayCredited: 0, shareCredits: 0, gravity: 0 })
+const shareLink = ref('')
 const records = ref([])
 const visitors = ref([])
 
@@ -127,6 +147,18 @@ const todayStats = computed(() => ({
 
 const isWechat = ref(false)
 
+// #ifdef MP-WEIXIN
+onShareAppMessage(() => ({
+  title: 'AI磁场·职引 — AI模拟面试+简历优化',
+  path: '/pages/share/share',
+  imageUrl: 'https://zhiyinwx.yzrcloud.cn/static/share-card.png',
+}))
+onShareTimeline(() => ({
+  title: 'AI磁场·职引 — AI模拟面试+简历优化',
+  imageUrl: 'https://zhiyinwx.yzrcloud.cn/static/share-card.png',
+}))
+// #endif
+
 onMounted(() => {
   // #ifdef H5
   isWechat.value = navigator?.userAgent?.toLowerCase().includes('micromessenger') || false
@@ -243,6 +275,7 @@ function formatTime(t) {
 .share-btn:active { transform: scale(0.96); }
 .btn-icon { margin-right: 8rpx; font-size: 28rpx; }
 .wx-share { background: #07C160; color: #FFFFFF; }
+.wx-timeline { background: #FF6600; color: #FFFFFF; }
 .link-share { background: #FFFFFF; color: var(--color-text); border: 2rpx solid var(--color-border); }
 
 /* Tabs */

zhiyin-app/src/pages/user/user.vue

@@ -39,6 +39,20 @@
       </view>
     </view>
 
+    <!-- 配额与会员信息 -->
+    <view class="quota-card" v-if="isLoggedIn">
+      <view class="quota-row">
+        <view class="quota-info">
+          <text class="quota-plan">{{ memberInfo.planName || '免费版' }}</text>
+          <text class="quota-count">引力值 {{ memberInfo.gravity ?? 0 }}</text>
+        </view>
+        <view class="quota-actions">
+          <text class="quota-btn primary" @click="goBuyCredits">补充引力值</text>
+          <text class="quota-btn" :class="memberInfo.plan !== 'free' ? 'owned' : ''" @click="goUpgrade">{{ memberInfo.plan !== 'free' ? '已开通' : '升级会员' }}</text>
+        </view>
+      </view>
+    </view>
+
     <!-- 菜单列表 -->
     <view class="menu-area">
       <view class="menu-group">
@@ -102,6 +116,7 @@ const userInfo = ref({})
 const isAdmin = ref(false)
 const stats = ref({ interviewCount: 0, avgScore: '--', completedCount: 0 })
 const token = ref('')
+const memberInfo = ref({ plan: 'free', planName: '免费版', remaining: 0, gravity: 0 })
 
 const isLoggedIn = computed(() => !!token.value)
 const maskedId = computed(() => {
@@ -114,6 +129,7 @@ const refreshState = () => {
   if (!token.value) return
   try { const s = uni.getStorageSync('userInfo'); if (s) userInfo.value = JSON.parse(s) } catch(e) {}
   loadStats()
+  loadMemberStatus()
   checkAdmin()
   fetchUserInfo()
 }
@@ -131,6 +147,16 @@ const fetchUserInfo = async () => {
 onMounted(refreshState)
 onShow(refreshState)
 
+const loadMemberStatus = async () => {
+  if (!token.value) return
+  try {
+    const res = await uni.request({ url: api('/member/status'), method: 'GET', header: { 'Authorization': `Bearer ${token.value}` } })
+    if (res.statusCode >= 200 && res.statusCode < 300 && res.data) {
+      memberInfo.value = { plan: res.data.plan || 'free', planName: res.data.planName || '免费版', remaining: res.data.remaining ?? 0, gravity: res.data.gravity ?? 0 }
+    }
+  } catch(e) { /* silent */ }
+}
+
 const loadStats = async () => {
   try {
     const res = await uni.request({ url: api('/interview/stats/mine'), method: 'GET', header: { 'Authorization': `Bearer ${token.value}` } })
@@ -153,6 +179,11 @@ const checkAdmin = () => {
 }
 
 const goLogin = () => uni.navigateTo({ url: '/pages/login/login' })
+const goBuyCredits = () => uni.navigateTo({ url: '/pages/member/member?buy=interview' })
+const goUpgrade = () => {
+  if (memberInfo.value.plan !== 'free') return // already on a paid plan
+  uni.navigateTo({ url: '/pages/member/member' })
+}
 const goCareer = () => uni.navigateTo({ url: '/pages/career/career' })
 const goHistory = () => uni.switchTab({ url: '/pages/history/history' })
 const goReviewReview = () => uni.navigateTo({ url: '/pages/review/review' })
@@ -197,7 +228,18 @@ const doLogout = () => {
 .guest-info { flex: 1; }
 .guest-name { font-size: 30rpx; font-weight: 600; color: #FFFFFF; }
 
-.menu-area { padding: 0 32rpx 32rpx; margin-top: -40rpx; }
+.quota-card { margin: -48rpx 32rpx 16rpx; background: #FFFFFF; border-radius: var(--radius-lg); padding: 28rpx 24rpx; box-shadow: var(--shadow-sm); position: relative; z-index: 1; }
+.quota-row { display: flex; align-items: center; justify-content: space-between; }
+.quota-info { display: flex; flex-direction: column; gap: 4rpx; }
+.quota-plan { font-size: 28rpx; font-weight: 700; color: var(--color-text); }
+.quota-count { font-size: 22rpx; color: #6B7280; }
+.quota-actions { display: flex; gap: 12rpx; }
+.quota-btn { font-size: 22rpx; padding: 8rpx 20rpx; border-radius: var(--radius-sm); font-weight: 500; white-space: nowrap; }
+.quota-btn.primary { background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-mid)); color: #FFF; }
+.quota-btn.owned { background: #F3F4F6; color: #9CA3AF; }
+.quota-btn:not(.primary):not(.owned) { background: #FEF3C7; color: #92400E; border: 2rpx solid #F59E0B; }
+
+.menu-area { padding: 0 32rpx 32rpx; margin-top: 8rpx; }
 .menu-group { background: #FFFFFF; border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 24rpx; box-shadow: var(--shadow-sm); }
 .menu-item { display: flex; align-items: center; padding: 28rpx 32rpx; border-bottom: 1rpx solid var(--color-border); }
 .menu-item:last-child { border-bottom: none; }