暂时修复老师端首页FragmentStateAdapter缓存机制问题

teacher/src/main/java/com/cooleshow/teacher/adapter/HomePageAdapter.java

@@ -29,6 +29,17 @@ public class HomePageAdapter extends FragmentStateAdapter {
     }
 
     @Override
+    public long getItemId(int position) {
+        Fragment fragment = mFragments.get(position);
+        return fragment != null ? fragment.hashCode() : super.getItemId(position);
+    }
+
+    @Override
+    public boolean containsItem(long itemId) {
+        return super.containsItem(itemId);
+    }
+
+    @Override
     public int getItemCount() {
         return mFragments != null ? mFragments.size() : 0;
     }