提交：添加安全距离适配；

lib/widget/my_app_bar.dart

-import 'dart:io';
-
 import 'package:flutter/material.dart';
 
 class MyPageAppBar extends StatelessWidget implements PreferredSizeWidget {

lib/widget/my_scaffold.dart

@@ -34,7 +34,8 @@ class MyScaffold extends StatelessWidget {
     return Scaffold(
       appBar: appBar ?? MyPageAppBar(title: title),
       backgroundColor: backgroundColor ?? const Color(0xFFf2f3f3),
-      body: body ??
+      body: SafeArea(
+        child: body ??
             MyScrollView(
               padding: padding,
               bottomButton: bottomButton,
@@ -42,6 +43,7 @@ class MyScaffold extends StatelessWidget {
               keyboardConfig: keyboardConfig,
               children: children ?? [],
             ),
+      ),
       floatingActionButton: floatingActionButton,
     );
   }