diff --git a/src/components/auth/user-auth-form.tsx b/src/components/auth/user-auth-form.tsx
index 7db9658..43f5409 100644
--- a/src/components/auth/user-auth-form.tsx
+++ b/src/components/auth/user-auth-form.tsx
@@ -66,10 +66,30 @@ export function UserAuthForm({
       const data = await response.json();
       console.log("收到 SSO URL:", data.sso_url);
 
+      // 解析 SSO URL 并提取参数
+      const ssoUrl = new URL(data.sso_url);
+      const sso = ssoUrl.searchParams.get("sso");
+      const sig = ssoUrl.searchParams.get("sig");
+
       // 使用表单提交方式跳转
-      if (formRef.current) {
-        formRef.current.action = data.sso_url;
-        formRef.current.submit();
+      if (formRef.current && sso && sig) {
+        const form = formRef.current;
+        // 创建隐藏的输入字段
+        const ssoInput = document.createElement("input");
+        ssoInput.type = "hidden";
+        ssoInput.name = "sso";
+        ssoInput.value = sso;
+        form.appendChild(ssoInput);
+
+        const sigInput = document.createElement("input");
+        sigInput.type = "hidden";
+        sigInput.name = "sig";
+        sigInput.value = sig;
+        form.appendChild(sigInput);
+
+        // 设置表单目标 URL（不带参数）
+        form.action = `${ssoUrl.origin}${ssoUrl.pathname}`;
+        form.submit();
       }
     } catch (error) {
       console.error("登录错误:", error);
@@ -87,7 +107,12 @@ export function UserAuthForm({
 
   return (
     <div className={cn("grid gap-3", className)} {...props}>
-      <form ref={formRef} method="get" style={{ display: "none" }} />
+      <form
+        ref={formRef}
+        method="get"
+        target="_self"
+        style={{ display: "none" }}
+      />
       <button
         type="button"
         className={cn(buttonVariants({ variant: "outline" }))}