更换LOGO、优化获取IP策略

resource/template/theme-daynight/viewpassword.html

@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
     <title>{{.Title}}</title>
-    <link rel="shortcut icon" type="image/png" href="/static/logo.png" />
+    <link rel="shortcut icon" type="image/png" href="/static/logo.png?v20210320" />
     <link rel="stylesheet" href="/static/theme-daynight/css/passwd.css?v202103202286" /> 
 
      {{if ts .CustomCode}}