修复bug

teacher/src/main/java/com/cooleshow/teacher/ui/work/AssignHomeworkActivity.java

@@ -147,6 +147,7 @@ public class AssignHomeworkActivity extends BaseMVPActivity<ActivityAssignHomewo
             //学员已提交课后作业
             viewBinding.tvHomeworkVideoEmptyText.setVisibility(View.GONE);
             viewBinding.llHomeworkVideoContent.removeAllViews();
+            viewBinding.homeWordVideoView.setVisibility(View.VISIBLE);
             addVideoThumbnailView(bean.studentAttachments);
         } else {
             //学员未提交课后作业
@@ -176,7 +177,6 @@ public class AssignHomeworkActivity extends BaseMVPActivity<ActivityAssignHomewo
         }
     }
 
-
     private void addVideoThumbnailView(String videoUrls) {
         try {
             if (!TextUtils.isEmpty(videoUrls)) {