diff --git a/ling_chair_http/index.html b/ling_chair_http/index.html
index 1f2b2d6..b5a2eed 100644
--- a/ling_chair_http/index.html
+++ b/ling_chair_http/index.html
@@ -170,7 +170,7 @@
           <i class="mdui-icon material-icons">cloud_circle</i>
           <label class="mdui-textfield-label">服务器地址</label>
           <input n-id="dialogSignInServer" class="mdui-textfield-input" type="text" placeholder="留空以使用网页所在地址"
-            n-input-ls="server" />
+            n-input-ls="server" onblur="" />
         </div>
         <div class="mdui-textfield">
           <i class="mdui-icon material-icons">account_circle</i>
diff --git a/ling_chair_http/index.js b/ling_chair_http/index.js
index 50e4ae9..928a8e4 100644
--- a/ling_chair_http/index.js
+++ b/ling_chair_http/index.js
@@ -690,18 +690,28 @@ if (!localStorage.refreshToken || localStorage.refreshToken === "")
     localStorage.isSignIn = false
 
 let client
+function setUpClient(server) {
+    if (server)
+        client = new io(server, {
+            auth: {
+                name: localStorage.isSignIn === "false" ? null : localStorage.userName
+            }
+        })
+    else
+        client = new io({
+            auth: {
+                name: localStorage.isSignIn === "false" ? null : localStorage.userName
+            }
+        })
+
+    client.on("connect", () => {
+        User.auth()
+    })
+}
 if (!localStorage.server || localStorage.server === "")
-    client = new io({
-        auth: {
-            name: localStorage.isSignIn === "false" ? null : localStorage.userName
-        }
-    })
+    setUpClient()
 else
-    client = new io(localStorage.server, {
-        auth: {
-            name: localStorage.isSignIn === "false" ? null : localStorage.userName
-        }
-    })
+    setUpClient(localStorage.server)
 
 // 登录到账号
 let dialogSignIn
@@ -727,10 +737,6 @@ else {
 
     ContactsList.reloadList()
 
-    client.on("connect", () => {
-        User.auth()
-    })
-
     User.registerCallback()
 }