1、修改SearchAppBar搜索按钮点击区域

lib/widget/search_app_bar.dart

@@ -122,6 +122,7 @@ class _SearchAppBarState extends State<SearchAppBar> {
               },
               child: Container(
                 width: 60.0,
+                height: 50.0,
                 alignment: Alignment.center,
                 child: Text(
                   widget.rightText ?? "搜索",