diff --git a/app/src/main/java/com/hjx/parent/HomeworkSelectActivity.java b/app/src/main/java/com/hjx/parent/HomeworkSelectActivity.java
index c31b35f..0a16a67 100644
--- a/app/src/main/java/com/hjx/parent/HomeworkSelectActivity.java
+++ b/app/src/main/java/com/hjx/parent/HomeworkSelectActivity.java
@@ -104,9 +104,10 @@ public class HomeworkSelectActivity extends BaseRxActivity<ActivityHomeworkSelec
             tvNumber.setText("第" + number + "题");
             Glide.with(mContext).load(homeWork.url).into(imageView);
 
-            setBackground(homeWork, holder);
             RadioGroup radioGroup = holder.getView(R.id.radioGroup);
             radioGroup.setVisibility(View.VISIBLE);
+            radioGroup.setOnCheckedChangeListener(null);
+            setBackground(homeWork, holder);
 
             radioGroup.setOnCheckedChangeListener((group, checkedId) -> {
                 if (checkedId == R.id.rbRight) homeWork.correction = 0;