diff --git a/src/main/java/com/zhgd/xmgl/call/HikvisionCall.java b/src/main/java/com/zhgd/xmgl/call/HikvisionCall.java
index fffe5be73..bd9fbe9af 100644
--- a/src/main/java/com/zhgd/xmgl/call/HikvisionCall.java
+++ b/src/main/java/com/zhgd/xmgl/call/HikvisionCall.java
@@ -1176,7 +1176,9 @@ public class HikvisionCall {
         List<SystemUser> systemUsers = systemUserService.getSystemUsersBySn(new MapBuilder<String, Object>().put(Cts.SN, projectSn).put(Cts.QUERY_TYPE, Cts.PROJECT_LEVEL).build());
         Set<Long> userIdSet = systemUsers.stream().map(SystemUser::getUserId).collect(Collectors.toSet());
         //审批的发起人
-        userIdSet.add(flowStartUser);
+        if (flowStartUser != null) {
+            userIdSet.add(flowStartUser);
+        }
         if (ThreadLocalUtil.getByKey(Cts.TL_AUTH_USER, UserInfo.class) != null) {
             userIdSet.add(ThreadLocalUtil.getByKey(Cts.TL_AUTH_USER, UserInfo.class).getUserId());
         }