我的代码

@Composable
fun AlbumPage(navHostController: NavHostController) {
   ElevatedButton(onClick = {
      navHostController.popBackStack()
   }) {
      Text(text = "click")
   }

   SideEffect {
        Log.d("tag","1111")
   }
}

当我在onClick {}中设置navHostController. popBackStack（）时，日志显示两次
第一个月
14:53:34.816 D 1111
我删除了navHostController. popBackStack（）

@Composable
fun AlbumPage(navHostController: NavHostController) {
   ElevatedButton(onClick = {
      //navHostController.popBackStack()
   }) {
      Text(text = "click")
   }

   SideEffect {
        Log.d("tag","1111")
   }
}

记录一次
为甚么？