修改casbin版本 防止用户报错

server/go.mod

@@ -8,8 +8,8 @@ require (
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751
 	github.com/aliyun/aliyun-oss-go-sdk v2.1.6+incompatible
 	github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f // indirect
-	github.com/casbin/casbin/v2 v2.25.6
-	github.com/casbin/gorm-adapter/v3 v3.2.6
+	github.com/casbin/casbin/v2 v2.11.0
+	github.com/casbin/gorm-adapter/v3 v3.0.2
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/fastly/go-utils v0.0.0-20180712184237-d95a45783239 // indirect
 	github.com/fsnotify/fsnotify v1.4.9

web/src/view/login/login.vue

@@ -7,7 +7,6 @@
         </div>
         <div class="header">
           <a href="/">
-            <!-- <img src="~@/assets/logo.png" class="logo" alt="logo" /> -->
             <span class="title">Gin-Vue-Admin</span>
           </a>
         </div>