diff --git a/Update.json b/Update.json
index ce92ef55..ecb95bec 100644
--- a/Update.json
+++ b/Update.json
@@ -2873,6 +2873,17 @@
                 }
             ],
             "Notes": "No release notes were provided for this release."
+        },
+        "1.7.3": {
+            "UpdateDate": 1750594769202,
+            "Prerelease": true,
+            "UpdateContents": [
+                {
+                    "PR": 811,
+                    "Description": "fix: Redirect to login page if profile element is missing"
+                }
+            ],
+            "Notes": "No release notes were provided for this release."
         }
     }
 }
\ No newline at end of file
diff --git a/XMOJ.user.js b/XMOJ.user.js
index 6075d804..ebaa803b 100644
--- a/XMOJ.user.js
+++ b/XMOJ.user.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         XMOJ
-// @version      1.7.2
+// @version      1.7.3
 // @description  XMOJ增强脚本
 // @author       @XMOJ-Script-dev, @langningchen and the community
 // @namespace    https://github/langningchen
@@ -559,6 +559,9 @@ window.addEventListener('DOMContentLoaded', async () => {
 
     let SearchParams = new URLSearchParams(location.search);
     let ServerURL = (UtilityEnabled("DebugMode") ? "https://ghpages.xmoj-bbs.me/" : "https://www.xmoj-bbs.me")
+    if (document.querySelector("#profile") === null) {
+        location.href = "https://www.xmoj.tech/loginpage.php";
+    }
     let CurrentUsername = document.querySelector("#profile").innerText;
     CurrentUsername = CurrentUsername.replaceAll(/[^a-zA-Z0-9]/g, "");
     let IsAdmin = AdminUserList.indexOf(CurrentUsername) !== -1;
diff --git a/package.json b/package.json
index 76b8b358..e034b7fc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xmoj-script",
-  "version": "1.7.2",
+  "version": "1.7.3",
   "description": "an improvement script for xmoj.tech",
   "main": "AddonScript.js",
   "scripts": {