Update PmsProductCategoryNode.java

mall-portal/src/main/java/com/macro/mall/portal/domain/PmsProductCategoryNode.java

 package com.macro.mall.portal.domain;
 
 import com.macro.mall.model.PmsProductCategory;
+import io.swagger.annotations.ApiModelProperty;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -13,5 +14,6 @@ import java.util.List;
 @Getter
 @Setter
 public class PmsProductCategoryNode extends PmsProductCategory {
+    @ApiModelProperty("子分类集合")
     private List<PmsProductCategoryNode> children;
 }