--no commit message

com.zrqx.resource/src/main/java/com/zrqx/resource/bg/controller/recommend/RecommendLabelRelationController.java

@@ -8,6 +8,7 @@ import com.zrqx.core.form.resource.bg.speciallibrary.BatchUpdateSpecialSortForm;
 import com.zrqx.core.model.resource.label.LabelContentDiyType;
 import com.zrqx.core.util.bean.BeanUtils;
 import com.zrqx.core.util.bean.Copy;
+import com.zrqx.core.util.datatype.ArrayUtils;
 import com.zrqx.core.util.page.PageParam;
 import com.zrqx.core.util.response.CallBack;
 import com.zrqx.core.vo.resource.label.LabelAndContentByDataTypeVO;
@@ -121,9 +122,12 @@ public class RecommendLabelRelationController {
                 }
             }
         }
-        List<LabelContentDiyTypeVO> voList = Copy.copyList(list , LabelContentDiyTypeVO.class, obj -> obj.getParentId().intValue() == 0);
-        tree(list,voList);
-        return CallBack.success(voList);
+        if (ArrayUtils.isNotEmpty(list)){
+            List<LabelContentDiyTypeVO> voList = Copy.copyList(list , LabelContentDiyTypeVO.class, obj -> obj.getParentId().intValue() == 0);
+            tree(list,voList);
+            return CallBack.success(voList);
+        }
+        return CallBack.success();
     }
 
 }