增加了默认的AI入口路径

client/src/lib/aiApi.ts

@@ -17,7 +17,7 @@ export function getAIBaseUrl(): string {
   if (fromLs) return fromLs.replace(/\/$/, "");
   const fromEnv = (import.meta as any).env?.VITE_AI_API_URL as string | undefined;
   if (fromEnv) return fromEnv.replace(/\/$/, "");
-  return "http://localhost:8000";
+  return "https://v2ai.luxsin.com.cn";
 }
 
 // ============================================================