diff --git a/frontend/src/components/ui/model-selector.tsx b/frontend/src/components/ui/model-selector.tsx
index f3d413f..a77afc2 100755
--- a/frontend/src/components/ui/model-selector.tsx
+++ b/frontend/src/components/ui/model-selector.tsx
@@ -15,15 +15,15 @@ export function ModelSelector({ value, onChange, className = '' }: ModelSelector
   const [models, setModels] = useState<ModelOption[]>(FALLBACK_MODELS);
 
   useEffect(() => {
-    fetch(`${API_BASE}/public/models`)
+    fetch(`${API_BASE}/sandbox/models`)
       .then(r => r.json())
       .then(data => {
         if (data.items?.length) {
           setModels(data.items.map((m: any) => ({
             id: m.id,
-            label: m.name,
+            label: m.label,
             provider: m.provider,
-            desc: m.description || '',
+            desc: m.desc,
           })));
         }
       })
diff --git a/frontend/src/lib/models.ts b/frontend/src/lib/models.ts
index 5283996..c144d44 100755
--- a/frontend/src/lib/models.ts
+++ b/frontend/src/lib/models.ts
@@ -5,10 +5,10 @@ export interface ModelOption {
   desc: string;
 }
 
+/** 沙箱可选模型 — 仅国内已备案大模型 */
 export const AVAILABLE_MODELS: ModelOption[] = [
-  { id: 'general', label: '通用模式', provider: '', desc: '日常问答，综合能力均衡' },
-  { id: 'deepseek-v4-flash', label: 'DeepSeek V4 Flash', provider: '', desc: '高速推理，代码生成强' },
-  { id: 'sensenova-6.7-flash-lite', label: 'SenseNova 6.7 Flash Lite', provider: '', desc: '轻量快速，日常使用' },
+  { id: 'deepseek-v4-flash', label: 'DeepSeek V4 Flash', provider: '硅基流动', desc: '高速推理，代码生成能力强，价格极低' },
+  { id: 'sensenova-6.7-flash-lite', label: 'SenseNova 6.7 Flash Lite', provider: '商汤科技', desc: '轻量快速，日常对话与文本处理' },
 ];
 
-export const DEFAULT_MODEL = 'general';
+export const DEFAULT_MODEL = 'deepseek-v4-flash';