diff --git a/app/Http/Controllers/Api/DialogController.php b/app/Http/Controllers/Api/DialogController.php
index fa9fecb82..91205eb28 100755
--- a/app/Http/Controllers/Api/DialogController.php
+++ b/app/Http/Controllers/Api/DialogController.php
@@ -1093,7 +1093,7 @@ class DialogController extends AbstractController
             //
             if ($update_id > 0) {
                 $action = $update_mark ? "update-$update_id" : "change-$update_id";
-                if (!($user->bot || $user->isAdmin())) {
+                if (!$user->bot) {
                     Setting::validateMsgLimit('edit', $update_id);
                 }
             } elseif ($reply_id > 0) {
@@ -1818,7 +1818,7 @@ class DialogController extends AbstractController
         if (empty($msg)) {
             return Base::retError("消息不存在或已被删除");
         }
-        if (!($user->bot || $user->isAdmin())) {
+        if (!$user->bot) {
             Setting::validateMsgLimit('rev', $msg);
         }
         $msg->withdrawMsg();
diff --git a/resources/assets/js/pages/manage/setting/components/SystemSetting.vue b/resources/assets/js/pages/manage/setting/components/SystemSetting.vue
index 6acf28e13..c5f7f49cb 100644
--- a/resources/assets/js/pages/manage/setting/components/SystemSetting.vue
+++ b/resources/assets/js/pages/manage/setting/components/SystemSetting.vue
@@ -214,7 +214,7 @@
                                 </template>
                             </Input>
                         </div>
-                        <div class="form-tip">{{$L('消息发出后的可撤回时长。')}} ({{$L('系统管理员除外')}})</div>
+                        <div class="form-tip">{{$L('消息发出后的可撤回时长。')}}</div>
                     </FormItem>
                     <FormItem :label="$L('修改消息限制')" prop="msgEditLimit">
                         <div style="width: 220px;">
@@ -224,7 +224,7 @@
                                 </template>
                             </Input>
                         </div>
-                        <div class="form-tip">{{$L('消息发出后的可修改时长。')}} ({{$L('系统管理员除外')}})</div>
+                        <div class="form-tip">{{$L('消息发出后的可修改时长。')}}</div>
                     </FormItem>
                 </div>
             </div>