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 1291b1afb..9e79f47d1 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
@@ -90,6 +90,9 @@ public class LineServiceImpl implements LineService {
         if (lineInfo==null){
             throw new ServiceException(ErrorCodeEnum.LINE_ID_IS_NOT_EXIST);
         }
+        if (StringUtil.isBlank(lineInfo.getInvestmentManager())){
+            return null;
+        }
         if (lineInfo.getLineSource()!=null){
             Map<Integer, String> channelMapByIds = hyPartnerUserChannelDAO.getChannelMapByIds(Arrays.asList(lineInfo.getLineSource()));
             result.setLineSourceName(channelMapByIds.get(lineInfo.getLineSource()));