Merge branch 'master' into 4.1

src/main/java/com/gogirl/application/product/mall/impl/MallProductServiceImpl.java

@@ -26,7 +26,7 @@ public class MallProductServiceImpl extends ServiceImpl<MallProductMapper, MallP
 
     @Override
     public IPage<MallProduct> queryPageProduct(ProductQuery qry) {
-        IPage<MallProduct> productIPage = new Page<>();
+        IPage<MallProduct> productIPage = new Page<>(qry.getPageNum(), qry.getPageSize());
         return mallProductMapper.queryPageProduct(productIPage, qry);
     }