diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt
index 79ba23cb..bdf22584 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt
@@ -326,6 +326,9 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
                         MmkvManager.removeAllServer()
                         mainViewModel.reloadServerList()
                     }
+                    .setNegativeButton(android.R.string.no) {_, _ ->
+                        //do noting
+                    }
                     .show()
             true
         }
@@ -334,6 +337,9 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
                 .setPositiveButton(android.R.string.ok) { _, _ ->
                     mainViewModel.removeDuplicateServer()
                 }
+                .setNegativeButton(android.R.string.no) {_, _ ->
+                    //do noting
+                }
                 .show()
             true
         }
@@ -343,6 +349,9 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
                     MmkvManager.removeInvalidServer()
                     mainViewModel.reloadServerList()
                 }
+                .setNegativeButton(android.R.string.no) {_, _ ->
+                    //do noting
+                }
                 .show()
             true
         }
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainRecyclerAdapter.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainRecyclerAdapter.kt
index 1a990dad..f8ec6734 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainRecyclerAdapter.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainRecyclerAdapter.kt
@@ -11,6 +11,7 @@ import android.view.ViewGroup
 import androidx.appcompat.app.AlertDialog
 import com.google.gson.Gson
 import com.tencent.mmkv.MMKV
+import com.v2ray.ang.AngApplication.Companion.application
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ItemQrcodeBinding
@@ -144,10 +145,15 @@ class MainRecyclerAdapter(val activity: MainActivity) : RecyclerView.Adapter<Mai
                             .setPositiveButton(android.R.string.ok) { _, _ ->
                                 removeServer(guid, position)
                             }
+                            .setNegativeButton(android.R.string.no) {_, _ ->
+                                //do noting
+                            }
                             .show()
                     } else {
                         removeServer(guid, position)
                     }
+                } else {
+                    application.toast(R.string.toast_action_not_allowed)
                 }
             }
 
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt
index 3622332b..6fffabd0 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt
@@ -8,6 +8,7 @@ import android.view.View
 import android.widget.*
 import androidx.appcompat.app.AlertDialog
 import com.tencent.mmkv.MMKV
+import com.v2ray.ang.AngApplication
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.AppConfig.PREF_ALLOW_INSECURE
 import com.v2ray.ang.AppConfig.WIREGUARD_LOCAL_ADDRESS_V4
@@ -209,7 +210,7 @@ class ServerActivity : BaseActivity() {
     }
 
     /**
-     * bingding seleced server config
+     * binding selected server config
      */
     private fun bindingServer(config: ServerConfig): Boolean {
         val outbound = config.getProxyOutbound() ?: return false
@@ -560,11 +561,16 @@ class ServerActivity : BaseActivity() {
                             MmkvManager.removeServer(editGuid)
                             finish()
                         }
+                        .setNegativeButton(android.R.string.no) { _, _ ->
+                            // do nothing
+                        }
                         .show()
                 } else {
                     MmkvManager.removeServer(editGuid)
                     finish()
                 }
+            } else {
+                application.toast(R.string.toast_action_not_allowed)
             }
         }
         return true
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerCustomConfigActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerCustomConfigActivity.kt
index f76fa4ca..5fdb57f1 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerCustomConfigActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerCustomConfigActivity.kt
@@ -111,6 +111,9 @@ class ServerCustomConfigActivity : BaseActivity() {
                         MmkvManager.removeServer(editGuid)
                         finish()
                     }
+                    .setNegativeButton(android.R.string.no) {_, _ ->
+                        // do nothing
+                    }
                     .show()
         }
         return true
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubEditActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubEditActivity.kt
index 180b1200..21037557 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubEditActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/SubEditActivity.kt
@@ -111,6 +111,9 @@ class SubEditActivity : BaseActivity() {
                         MmkvManager.removeSubscription(editSubId)
                         finish()
                     }
+                    .setNegativeButton(android.R.string.no) {_, _ ->
+                        // do nothing
+                    }
                     .show()
         }
         return true
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetUrlActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetUrlActivity.kt
index c032bef3..48404d31 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetUrlActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetUrlActivity.kt
@@ -114,6 +114,9 @@ class UserAssetUrlActivity : BaseActivity() {
                     MmkvManager.removeAssetUrl(editAssetId)
                     finish()
                 }
+                .setNegativeButton(android.R.string.no) {_, _ ->
+                    // do nothing
+                }
                 .show()
         }
         return true
diff --git a/V2rayNG/app/src/main/res/values-ar/strings.xml b/V2rayNG/app/src/main/res/values-ar/strings.xml
index c071472a..66209bb1 100644
--- a/V2rayNG/app/src/main/res/values-ar/strings.xml
+++ b/V2rayNG/app/src/main/res/values-ar/strings.xml
@@ -78,6 +78,7 @@
 	<string name="toast_asset_copy_failed">فشل نسخ الملف، يرجى استخدام مدير الملفات</string>
 	<string name="menu_item_add_file">إضافة ملفات</string>
 	<string name="menu_item_download_file">تحميل الملفات</string>
+	<string name="toast_action_not_allowed">هذا الإجراء محظور</string>
 	<!-- PerAppProxyActivity -->
 	<string name="title_user_asset_add_url">أضف عنوان URL للأصل</string>
 	<string name="msg_file_not_found">لم يتم العثور على الملف</string>
diff --git a/V2rayNG/app/src/main/res/values-fa/strings.xml b/V2rayNG/app/src/main/res/values-fa/strings.xml
index f5299b6c..e8548722 100644
--- a/V2rayNG/app/src/main/res/values-fa/strings.xml
+++ b/V2rayNG/app/src/main/res/values-fa/strings.xml
@@ -80,6 +80,7 @@
     <string name="toast_asset_copy_failed">کپی فایل انجام نشد، لطفا از برنامه مدیریت فایل استفاده کنید</string>
     <string name="menu_item_add_file">افزودن فایل‌ها</string>
     <string name="menu_item_download_file">دانلود فایل‌ها</string>
+    <string name="toast_action_not_allowed">این عمل ممنوع است</string>
 
     <!-- PerAppProxyActivity -->
     <string name="title_user_asset_add_url">URL را اضافه کنید</string>
diff --git a/V2rayNG/app/src/main/res/values-ru/strings.xml b/V2rayNG/app/src/main/res/values-ru/strings.xml
index 5830d92b..086cfa0d 100644
--- a/V2rayNG/app/src/main/res/values-ru/strings.xml
+++ b/V2rayNG/app/src/main/res/values-ru/strings.xml
@@ -85,6 +85,7 @@
     <string name="title_user_asset_add_url">Добавить URL ресурса</string>
     <string name="msg_file_not_found">Файл не найден</string>
     <string name="msg_remark_is_duplicate">Описание уже существует</string>
+    <string name="toast_action_not_allowed">Это действие запрещено</string>
 
     <!-- PerAppProxyActivity -->
     <string name="msg_dialog_progress">Загрузка…</string>
diff --git a/V2rayNG/app/src/main/res/values-vi/strings.xml b/V2rayNG/app/src/main/res/values-vi/strings.xml
index 064adcef..c7449e4a 100644
--- a/V2rayNG/app/src/main/res/values-vi/strings.xml
+++ b/V2rayNG/app/src/main/res/values-vi/strings.xml
@@ -80,6 +80,7 @@
     <string name="toast_asset_copy_failed">Không thể sao chép tệp tin, hãy dùng trình quản lý tệp!</string>
     <string name="menu_item_add_file">Thêm tệp</string>
     <string name="menu_item_download_file">Tải xuống tệp tin</string>
+    <string name="toast_action_not_allowed">Hành động này bị cấm</string>
 
     <!-- PerAppProxyActivity -->
     <string name="title_user_asset_add_url">Thêm URL nội dung</string>
diff --git a/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml b/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
index bb6add7d..16f23c90 100644
--- a/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
+++ b/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
@@ -80,6 +80,7 @@
     <string name="toast_asset_copy_failed">失败, 请使用文件管理器</string>
     <string name="menu_item_add_file">添加文件</string>
     <string name="menu_item_download_file">下载文件</string>
+    <string name="toast_action_not_allowed">禁止此项操作</string>
 
 
     <!-- PerAppProxyActivity -->
diff --git a/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml b/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
index 86a56169..7c0ef807 100644
--- a/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
+++ b/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
@@ -80,6 +80,7 @@
     <string name="toast_asset_copy_failed">失敗，請使用檔案總管</string>
     <string name="menu_item_add_file">新增檔案</string>
     <string name="menu_item_download_file">下載檔案</string>
+    <string name="toast_action_not_allowed">禁止此項操作</string>
 
     <!-- PerAppProxyActivity -->
     <string name="title_user_asset_add_url">新增資產網址</string>
diff --git a/V2rayNG/app/src/main/res/values/strings.xml b/V2rayNG/app/src/main/res/values/strings.xml
index e8faccee..5e238c7b 100644
--- a/V2rayNG/app/src/main/res/values/strings.xml
+++ b/V2rayNG/app/src/main/res/values/strings.xml
@@ -93,6 +93,7 @@
     <string name="title_user_asset_add_url">Add asset URL</string>
     <string name="msg_file_not_found">File not found</string>
     <string name="msg_remark_is_duplicate">The remarks already exists</string>
+    <string name="toast_action_not_allowed">Action not allowed</string>
 
 
     <!-- PerAppProxyActivity -->