fix

keyBoard/Class/Base/VC/BaseNavigationController.m

@@ -18,13 +18,11 @@
     // 统一返回箭头样式与颜色
     UIImage *backImg = [UIImage imageNamed:@"back_black_icon"];
     if (backImg) {
-        // 使用自定义返回指示图标；mask 用同一张图片
         self.navigationBar.backIndicatorImage = backImg;
         self.navigationBar.backIndicatorTransitionMaskImage = backImg;
     }
     self.navigationBar.tintColor = [UIColor blackColor]; // 箭头/按钮的着色
 
-    // iOS 14+ 可以统一隐藏返回标题，避免出现“首页”字样
     if (@available(iOS 14.0, *)) {
         self.navigationBar.topItem.backButtonDisplayMode = UINavigationItemBackButtonDisplayModeMinimal;
     }
@@ -33,7 +31,6 @@
 - (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated{
     if (self.viewControllers.count > 0) {
         viewController.hidesBottomBarWhenPushed = true;
-        // 隐藏上一页提供的返回标题（如“首页”），只保留箭头
         UIViewController *prev = self.topViewController;
         if (@available(iOS 14.0, *)) {
             prev.navigationItem.backButtonDisplayMode = UINavigationItemBackButtonDisplayModeMinimal;