diff --git a/fuintBackend/fuint-application/src/main/java/com/fuint/module/backendApi/controller/BackendLoginController.java b/fuintBackend/fuint-application/src/main/java/com/fuint/module/backendApi/controller/BackendLoginController.java
index 4b730abef..35bbf4ac2 100644
--- a/fuintBackend/fuint-application/src/main/java/com/fuint/module/backendApi/controller/BackendLoginController.java
+++ b/fuintBackend/fuint-application/src/main/java/com/fuint/module/backendApi/controller/BackendLoginController.java
@@ -161,7 +161,7 @@ public class BackendLoginController extends BaseController {
         LambdaQueryWrapper<TAccount> queryWrapper = new LambdaQueryWrapper<>();
         queryWrapper.eq(TAccount::getAccountName, accountName);
         TAccount one = accountService.getOne(queryWrapper);
-        if (ObjectUtils.isNotEmpty(one) && one.getOwnerId().toString().equals("3")){
+        if (ObjectUtils.isNotEmpty(one) && ObjectUtils.isNotEmpty(one.getOwnerId()) &&  one.getOwnerId().toString().equals("3")){
             return getFailureResult(201,"请登录油站端！");
         }