视频没有做缓存，每次切换都会初始化

[TransFormes]

底部栏切换会导致首页销毁，视频实例也都销毁，在切换回来又初始化，假如是网络资源会更慢

[zhangqi444]

You could update the getBody() method in main_page.dart file as below.

IndexedStack(
        index: _mainPageController.indexBottomBarMainPage.value,
        children: [
          HomePage(pageController: _scrollPageController),
          SearchPage(),
          MessagePage(),
          UserPage(
            pageController: _scrollPageController,
            isLoginUser: true,
            userModel: loginUserModel
          ),
        ],
      ),

[799837663]

这样就可以缓存了嘛？