Update PmsProductCategoryWithChildrenItem.java

mall-admin/src/main/java/com/macro/mall/dto/PmsProductCategoryWithChildrenItem.java

 package com.macro.mall.dto;
 
 import com.macro.mall.model.PmsProductCategory;
+import io.swagger.annotations.ApiModelProperty;
 
 import java.util.List;
 
@@ -8,6 +9,7 @@ import java.util.List;
  * Created by macro on 2018/5/25.
  */
 public class PmsProductCategoryWithChildrenItem extends PmsProductCategory {
+    @ApiModelProperty("子级分类")
     private List<PmsProductCategory> children;
 
     public List<PmsProductCategory> getChildren() {