diff --git a/app/src/main/java/com/fankes/coloros/notify/utils/tool/SystemUITool.kt b/app/src/main/java/com/fankes/coloros/notify/utils/tool/SystemUITool.kt
index a8a54ee..6119e47 100644
--- a/app/src/main/java/com/fankes/coloros/notify/utils/tool/SystemUITool.kt
+++ b/app/src/main/java/com/fankes/coloros/notify/utils/tool/SystemUITool.kt
@@ -66,7 +66,16 @@ object SystemUITool {
      * 重启系统界面
      * @param context 实例
      */
-    fun restartSystemUI(context: Context) =
+    fun restartSystemUI(context: Context) {
+        /** 当 Root 权限获取失败时显示对话框 */
+        fun showWhenAccessRootFail() =
+            context.showDialog {
+                title = "获取 Root 权限失败"
+                msg = "当前无法获取 Root 权限，请确认你的设备已经被 Root 且同意授予 Root 权限。\n" +
+                        "如果你正在使用 Magisk 并安装了 Shamiko 模块，" +
+                        "请确认当前是否正处于白名单模式。 (白名单模式将导致无法申请 Root 权限)"
+                confirmButton(text = "我知道了")
+            }
         context.showDialog {
             title = "重启系统界面"
             msg = "你确定要立即重启系统界面吗？\n\n" +
@@ -75,11 +84,12 @@ object SystemUITool {
                 execShell(cmd = "pgrep systemui").also { pid ->
                     if (pid.isNotBlank())
                         execShell(cmd = "kill -9 $pid")
-                    else toast(msg = "ROOT 权限获取失败")
+                    else showWhenAccessRootFail()
                 }
             }
             cancelButton()
         }
+    }
 
     /**
      * 刷新系统界面状态栏与通知图标