bugfix: sql指定数据库 (#45)

frontend/src/pages/Home/Home.tsx

@@ -281,11 +281,11 @@ export default function WelcomePage() {
 
               <div className="text-center">
                 <span
-                  onClick={() => navigate("/chat")}
-                  className="cursor-pointer rounded px-4 py-2 inline-flex items-center bg-gradient-to-r from-purple-600 to-pink-600 hover:from-purple-700 hover:to-pink-700 text-white shadow-lg"
+                    onClick={handleChatClick}
+                    className="cursor-pointer rounded px-4 py-2 inline-flex items-center bg-gradient-to-r from-purple-600 to-pink-600 hover:from-purple-700 hover:to-pink-700 text-white shadow-lg"
                 >
                   <MessageSquare className="mr-2 w-4 h-4" />
-                  开始对话
+                        {isChecking ? '检查中...' : '开始对话'}
                 </span>
               </div>
             </div>