fix: 优化图片上传URL和房东入口登录检查体验

app/owner/page.tsx

@@ -11,23 +11,45 @@ export default function OwnerPage() {
   const [password, setPassword] = useState("");
   const [error, setError] = useState("");
   const [loading, setLoading] = useState(false);
-  const [user, setUser] = useState<{ username: string } | null>(null);
+  const [checking, setChecking] = useState(true);
+  const [ready, setReady] = useState(false);
 
   useEffect(() => {
-    checkAuth();
-  }, []);
-
-  async function checkAuth() {
-    try {
-      const res = await fetch("/api/auth/me");
-      const data = await res.json();
-      if (data.user) {
-        setUser(data.user);
-        router.push("/owner/dashboard");
+    let cancelled = false;
+    
+    async function checkAuth() {
+      try {
+        const res = await fetch("/api/auth/me");
+        const data = await res.json();
+        if (!cancelled && data.user) {
+          router.replace("/owner/dashboard");
+          return;
+        }
+      } catch (error) {
+        console.error("检查登录状态失败", error);
+      }
+      if (!cancelled) {
+        setChecking(false);
+        setReady(true);
       }
-    } catch (error) {
-      console.error("检查登录状态失败", error);
     }
+    
+    checkAuth();
+    
+    return () => {
+      cancelled = true;
+    };
+  }, [router]);
+
+  if (!ready) {
+    return (
+      <div className="min-h-screen flex items-center justify-center bg-gray-50">
+        <div className="text-center">
+          <div className="text-4xl mb-2 animate-bounce">🏗️</div>
+          <p className="text-gray-500">检查登录状态...</p>
+        </div>
+      </div>
+    );
   }
 
   async function handleSubmit(e: React.FormEvent) {