Merge remote-tracking branch 'origin/dev' into remove_uniapp

lib/community/community_view/class_details.dart

@@ -33,6 +33,10 @@ class ClassDetails extends StatefulWidget {
   }
 }
 
+class myChewieController extends ChewieController{
+
+}
+
 class _ClassDetails extends State<ClassDetails> with WidgetsBindingObserver {
   VideoPlayerController videoPlayerController;
   Chewie chewies;
@@ -146,6 +150,7 @@ class _ClassDetails extends State<ClassDetails> with WidgetsBindingObserver {
   Widget build(BuildContext context) {
     return Scaffold(
       body: Container(
+        margin: EdgeInsets.only(top:30),
         child: Column(
           children: [
             Expanded(

lib/community/community_view/home_class.dart

@@ -120,7 +120,10 @@ class _HomeClass extends State<HomeClass> {
                 children: [
                   Container(
                     decoration: BoxDecoration(
-                      borderRadius: BorderRadius.circular(4),
+                      borderRadius: BorderRadius.only(
+                        topLeft: Radius.circular(4),
+                        topRight: Radius.circular(4),
+                      ),
                       boxShadow: [
                         BoxShadow(
                           color: Colors.black.withAlpha(10),