fix：【我的页-增值服务-实名认证 首次购买后点左上箭头退不到APP,在购物车是空的和订单提交成功界面来回切换（首次买高级功能一样）】

https://www.tapd.cn/69273997/bugtrace/bugs/view/1169273997001002869

lib/mine/valueAddedServices/advancedFeaturesWeb/advancedFeaturesWeb_page.dart

@@ -16,7 +16,6 @@ class AdvancedFeaturesWebPage extends StatefulWidget {
 }
 
 class _AdvancedFeaturesWebPageState extends State<AdvancedFeaturesWebPage> {
-
   @override
   Widget build(BuildContext context) {
     return GetBuilder<AdvancedFeaturesWebLogic>(
@@ -32,7 +31,25 @@ class _AdvancedFeaturesWebPageState extends State<AdvancedFeaturesWebPage> {
                   barTitle: logic.state.webBuyTitle.value,
                   haveBack: true,
                   backgroundColor: AppColors.mainColor,
-                  backAction: () => logic.canGoBack(false),
+                  haveOtherLeftWidget: true,
+                  leadingWidth: 160.w,
+                  leftWidget: Row(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      IconButton(
+                        padding: const EdgeInsets.symmetric(horizontal: 0),
+                        icon: const Icon(Icons.arrow_back_ios,
+                            color: Colors.white),
+                        onPressed: () => logic.canGoBack(false),
+                      ),
+                      IconButton(
+                        padding: const EdgeInsets.symmetric(horizontal: 0),
+                        icon: const Icon(Icons.close, color: Colors.white),
+                        onPressed: Get.back,
+                      ),
+                    ],
+                  ),
+                  // backAction: () => logic.canGoBack(false),
                 ),
                 body: Obx(() => Column(
                       children: <Widget>[