修复前端不能删除的bug

web/src/pages/user/IpMap.vue

@@ -76,13 +76,12 @@
 
             <el-popconfirm
                 class="m-left-10"
-                @onConfirm="handleDel(scope.row)"
+                @confirm="handleDel(scope.row)"
                 title="确定要删除IP映射吗？">
               <el-button
                   slot="reference"
                   size="mini"
-                  type="danger"
-                  @click="handleDelete(scope.row)">删除
+                  type="danger">删除
               </el-button>
             </el-popconfirm>
 

web/src/pages/user/List.vue

@@ -120,7 +120,7 @@
 
             <el-popconfirm
                 class="m-left-10"
-                @onConfirm="handleDel(scope.row)"
+                @confirm="handleDel(scope.row)"
                 title="确定要删除用户吗？">
               <el-button
                   slot="reference"

web/src/pages/user/Online.vue

@@ -95,7 +95,7 @@
 
             <el-popconfirm
                 class="m-left-10"
-                @onConfirm="handleOffline(scope.row)"
+                @confirm="handleOffline(scope.row)"
                 title="确定要下线用户吗？">
               <el-button
                   slot="reference"