修复店铺参与活动数量上限bug

src/main/java/com/sqx/modules/activity/service/impl/ActivityShopServiceImpl.java

@@ -87,7 +87,7 @@ public class ActivityShopServiceImpl extends ServiceImpl<ActivityShopDao, Activi
             LambdaQueryWrapper<ActivityShop> queryWrapper = Wrappers.lambdaQuery();
             queryWrapper.eq(ActivityShop::getShopId, shopId);
             List<ActivityShop> oldActivityShops = list(queryWrapper);
-            if (oldActivityShops.size() > MyConstant.MAX_NUM_OF_SHOP_JOIN) {
+            if (oldActivityShops.size() >= MyConstant.MAX_NUM_OF_SHOP_JOIN) {
                 throw new SqxException("店铺【" + shopId + "】参与活动数量达到上限，请退出其他活动后再次尝试加入活动");
             }