diff --git a/src/main/java/net/geedge/asw/module/workspace/service/impl/WorkspaceMemberServiceImpl.java b/src/main/java/net/geedge/asw/module/workspace/service/impl/WorkspaceMemberServiceImpl.java
index d2f8b51..2612375 100644
--- a/src/main/java/net/geedge/asw/module/workspace/service/impl/WorkspaceMemberServiceImpl.java
+++ b/src/main/java/net/geedge/asw/module/workspace/service/impl/WorkspaceMemberServiceImpl.java
@@ -59,9 +59,14 @@ public class WorkspaceMemberServiceImpl extends ServiceImpl<WorkspaceMemberDao,
         if (T.StrUtil.equalsIgnoreCase(workspaceId, "1")) {
             throw new ASWException(RCode.WORKSPACE_BUILT_IN);
         }
-        long count = memberList.stream().map(x -> x.getUserId()).distinct().count();
-        if (count != memberList.size()) {
-            throw new ASWException(RCode.WORKSPACE_MEMBER_USER_ID_REPEAT);
+
+        List userIdList = memberList.stream().map(x -> x.getUserId()).toList();
+        List<WorkspaceMemberEntity> memberEntityList = workspaceMemberService.list(new LambdaQueryWrapper<WorkspaceMemberEntity>().eq(WorkspaceMemberEntity::getWorkspaceId, workspaceId));
+        if (T.CollectionUtil.isNotEmpty(memberList)){
+            memberEntityList = memberEntityList.stream().filter(x -> userIdList.contains(x.getUserId())).toList();
+            if (T.CollectionUtil.isNotEmpty(memberEntityList)) {
+                throw new ASWException(RCode.WORKSPACE_MEMBER_USER_ID_REPEAT);
+            }
         }
         List<String> userIds = userService.list().stream().map(x -> x.getId()).toList();
         List<String> roleIds = roleService.list().stream().map(x -> x.getId()).toList();