diff --git a/src/index.html b/src/index.html
index 5ecdc457f..8a09311d9 100644
--- a/src/index.html
+++ b/src/index.html
@@ -6,25 +6,23 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta http-equiv="X-UA-Compatible" content="ie=edge">
     <script>
-        if (location.hostname === "localhost")
-            return;
-
-        fetch("ver.json").then(res => {
-            if (!res.ok) return;
-            res.json().then(v => {
-                if (res.status)
-                    if (v)
-                    {
-                        let oldVer = sessionStorage.getItem("ver");
-                        sessionStorage.setItem("ver", v);
-                        if (oldVer && oldVer != v)
+        if (location.hostname !== "localhost")
+            fetch("ver.json").then(res => {
+                if (!res.ok) return;
+                res.json().then(v => {
+                    if (res.status)
+                        if (v)
                         {
-                            document.body.textContent = "发现新版本,升级中!";
-                            location.reload();
+                            let oldVer = sessionStorage.getItem("ver");
+                            sessionStorage.setItem("ver", v);
+                            if (oldVer && oldVer != v)
+                            {
+                                document.body.textContent = "发现新版本,升级中!";
+                                location.reload();
+                            }
                         }
-                    }
-            })
-        });
+                })
+            });
     </script>
     <title>WebCAD</title>
     <meta itemprop="description" content="云端CAD,在线衣柜设计" />