加强判断

musicMerge/src/main/java/com/cooleshow/musicmerge/ui/SelectVideoFrameActivity.java

@@ -191,11 +191,13 @@ public class SelectVideoFrameActivity extends BaseMVPActivity<AcSelectVideoFrame
 
                     @Override
                     public void onNext(@NonNull String s) {
+                        hideLoading();
                         reBackData(s);
                     }
 
                     @Override
                     public void onError(@NonNull Throwable e) {
+                        hideLoading();
                         ToastUtil.getInstance().showShort("获取封面失败,请重试");
                     }
 

student/src/main/java/com/cooleshow/student/ui/web/HtmlActivity.java

@@ -1310,8 +1310,11 @@ public class HtmlActivity extends BaseActivity<ActivityHtml1Binding> implements
             if (requestCode == PictureConfig.CHOOSE_REQUEST && mUploadCallbackAboveL != null) {
                 // 图片、视频、音频选择结果回调
                 List<LocalMedia> selectList = PictureSelector.obtainMultipleResult(data);
-                String avatar = selectList.get(0).getCompressPath();
-
+                String avatar = null;
+                if (selectList != null && selectList.size() > 0) {
+                    avatar = selectList.get(0).getCompressPath();
+                }
+                LOG.i("pq","avatar:"+avatar);
                 if (avatar != null) {
                     mUploadCallbackAboveL.onReceiveValue(new Uri[]{PictureFileUtils.parUri(getApplicationContext(), new File(avatar))});
                 } else {