diff --git a/lib/lib-common.sh b/lib/lib-common.sh
index 86fd19c..2ccd453 100644
--- a/lib/lib-common.sh
+++ b/lib/lib-common.sh
@@ -341,6 +341,7 @@ do_install_ui_helper() {
 # 高级卸载插件
 # ============================================================================
 advanced_uninstall() {
+    opkg update >/dev/null 2>&1 && opkg install bash || echo "bash 已存在"
     echo "📥 正在下载高级卸载插件..."
     wget -O /tmp/advanced_uninstall.run $HTTP_HOST/uninstall/luci-app-uninstall.run
     sh /tmp/advanced_uninstall.run