修改部分问题

student/src/main/java/com/cooleshow/student/presenter/homework/HomeWorkADetailPresenter.java

@@ -33,8 +33,8 @@ public class HomeWorkADetailPresenter extends BasePresenter<HomeWorkDetailContra
      *
      * @param courseId
      */
-    public void queryHomeworkDetail(String courseId) {
-        if (getView() != null) {
+    public void queryHomeworkDetail(boolean isShowLoading,String courseId) {
+        if (isShowLoading && getView() != null) {
             getView().showLoading();
         }
         addSubscribe(create(APIService.class).queryHomeworkDetail(courseId), new BaseObserver<HomeworkDetailBean>(getView()) {

student/src/main/java/com/cooleshow/student/ui/work/HomeWorkDetailActivity.java

@@ -221,7 +221,8 @@ public class HomeWorkDetailActivity extends BaseMVPActivity<ActivityHomeworkDeta
 
     private void refresh() {
         if (presenter != null) {
-            presenter.queryHomeworkDetail(courseId);
+            boolean isShowLoading = mInfoBean == null;
+            presenter.queryHomeworkDetail(isShowLoading,courseId);
         }
     }