fix: 修改了接口

src/main/java/com/seecoder/BlueWhale/controller/CouponController.java

@@ -38,7 +38,7 @@ public class CouponController {
         return ResultVO.buildSuccess(couponService.getCoupons());
     }
 
-    @GetMapping
+    @GetMapping("/available")
     public ResultVO<List<CouponVO>> getCouponsWithStoreId(@RequestParam("storeId")Integer storeId){
         return ResultVO.buildSuccess(couponService.getCouponsWithStoreId(storeId));
     }