参数 undefined的情况

src/main/java/com/chaozhanggui/system/cashierservice/controller/ProductController.java

@@ -83,7 +83,7 @@ public class ProductController {
             @RequestParam("shopId") String shopId,
             @RequestParam("productId") String productId,
             @RequestParam("spec_tag") String spec_tag,
-            @RequestParam("isVip") Integer isVip
+            @RequestParam("isVip") String isVip
     ) {
         return productService.queryProductSku(code,shopId, productId, spec_tag,isVip);
     }