版本1.0.4 - 发布前准备

- 修复system.py缩进错误
- 优化前端页面样式（待重构）
- 改进API接口结构
- 完善文档和自动化脚本
- 平台基本功能稳定运行

platform/backend/api/publishing.py

@@ -13,7 +13,7 @@ from app.models import Topic, User
 router = APIRouter()
 
 class PublishRequest(BaseModel):
-    topic_id: int
+    topic_id: str
 
 @router.post("/create")
 async def create_publication(
@@ -52,7 +52,7 @@ async def create_publication(
     
     # 更新选题状态和发布时间
     topic.published_at = datetime.utcnow()
-    topic.published_urls = urls
+    topic.platform_urls = urls
     topic.status = "已发布"
     topic.updated_at = datetime.utcnow()