iOS 安全区适配

lib/pages/read_web/view.dart

@@ -235,6 +235,7 @@ class _ReadPageState extends State<ReadPage> {
                    right: 0,
                    bottom: 0,
                    child: SafeArea(
+                     bottom: false,
                      child: Container(
                        height: 69,
                        color: Colors.limeAccent,