diff --git a/coolstore-partner-service/src/main/java/com/cool/store/service/impl/LineServiceImpl.java b/coolstore-partner-service/src/main/java/com/cool/store/service/impl/LineServiceImpl.java
index fa97beea6..e3a397167 100644
--- a/coolstore-partner-service/src/main/java/com/cool/store/service/impl/LineServiceImpl.java
+++ b/coolstore-partner-service/src/main/java/com/cool/store/service/impl/LineServiceImpl.java
@@ -402,7 +402,7 @@ public class LineServiceImpl implements LineService {
         lineInfoDO.setLineSource(Integer.valueOf(UserChannelEnum.ADD.getCode()));
         lineInfoDO.setPartnerId(hyPartnerUserInfoDO.getPartnerId());
         String userId = null;
-        if (addLineRequest.getInvestmentManagerUserId()!=null){
+        if (StringUtils.isNotBlank(addLineRequest.getInvestmentManagerUserId())){
             userId = addLineRequest.getInvestmentManagerUserId();
         }else {
             EnterpriseUserDO user = userAuthMappingService.getUserByRoleEnumAndAreaId(UserRoleEnum.INVESTMENT_MANAGER, addLineRequest.getWantShopAreaId());