diff --git a/lyzsys-module-system/src/main/java/cn/iocoder/lyzsys/module/system/dal/mysql/tenant/TenantMapper.java b/lyzsys-module-system/src/main/java/cn/iocoder/lyzsys/module/system/dal/mysql/tenant/TenantMapper.java
index aa4636e..2218240 100644
--- a/lyzsys-module-system/src/main/java/cn/iocoder/lyzsys/module/system/dal/mysql/tenant/TenantMapper.java
+++ b/lyzsys-module-system/src/main/java/cn/iocoder/lyzsys/module/system/dal/mysql/tenant/TenantMapper.java
@@ -29,7 +29,7 @@ public interface TenantMapper extends BaseMapperX<TenantDO> {
 
     default List<TenantDO> selectListByWebsite(String website) {
         return selectList(new LambdaQueryWrapperX<TenantDO>()
-                .apply(MyBatisUtils.findInSet("websites", website)));
+                .apply("PATINDEX('%,'+{0}+',%', ','+websites+',') > 0", website));
     }
 
     default Long selectCountByPackageId(Long packageId) {