diff --git a/src/routes/reg/SignInLink.tsx b/src/routes/reg/SignInLink.tsx
index 17f37bf7..bb993b97 100644
--- a/src/routes/reg/SignInLink.tsx
+++ b/src/routes/reg/SignInLink.tsx
@@ -10,7 +10,7 @@ export default function SignInLink({ token }: { token?: string }) {
   useEffect(() => {
     // 移动端访问，则跳转
     if (isMobile() && !!token && ctx == "app") {
-      location.href = `https://join.voce.chat/download?link=${encodeURIComponent(`${location.origin}&magic_token=${token}`)}`;
+      location.href = `https://join.voce.chat/download?link=${encodeURIComponent(`${location.origin}?magic_token=${token}`)}`;
     }
   }, [token, ctx]);