修复足迹不能删除的问题

yshop-app/src/main/java/co/yixiang/modules/product/param/YxStoreProductRelationQueryParam.java

@@ -25,5 +25,5 @@ public class YxStoreProductRelationQueryParam  {
     private String id;
 
     @ApiModelProperty(value = "某种类型的商品(普通商品、秒杀商品)")
-    private String category;
+    private String category = "root";
 }

yshop-app/src/main/java/co/yixiang/modules/product/rest/StoreProductController.java

@@ -251,7 +251,7 @@ public class StoreProductController {
             throw new YshopException("参数非法");
         }
         productRelationService.delRroductRelation(Long.valueOf(param.getId()),
-                uid);
+                uid,param.getCategory());
         return ApiResult.ok();
     }