fix: 修复/analyze接口

frontend/src/components/ApiConfigPanel.vue

@@ -371,8 +371,8 @@ async function testConnection() {
     const response = await apiService.testApiConnection({
       api_url: apiConfig.value.apiUrl,
       api_key: apiConfig.value.apiKey,
-      api_model: apiConfig.value.apiModel,
-      api_timeout: apiConfig.value.apiTimeout
+      api_model: apiConfig.value.apiModel || undefined,
+      api_timeout: parseInt(apiConfig.value.apiTimeout) || 60
     });
     
     if (response.success) {

frontend/src/components/StockAnalysisApp.vue

@@ -617,7 +617,7 @@ async function analyzeStocks() {
     }
     
     // 发送分析请求
-    const response = await fetch('/analyze', {
+    const response = await fetch('/api/analyze', {
       method: 'POST',
       headers,
       body: JSON.stringify(requestData)

frontend/src/types/index.ts

@@ -65,14 +65,14 @@ export interface AnalyzeRequest {
   api_url?: string;
   api_key?: string;
   api_model?: string;
-  api_timeout?: string;
+  api_timeout?: number;
 }
 
 export interface TestApiRequest {
   api_url: string;
   api_key: string;
-  api_model: string;
-  api_timeout: string;
+  api_model?: string;
+  api_timeout: number;
 }
 
 export interface TestApiResponse {