diff --git a/apps/system_manage/sql/get_resource_user_group_permission_detail.sql b/apps/system_manage/sql/get_resource_user_group_permission_detail.sql
index 67541199bf8..0f5a2b34ccd 100644
--- a/apps/system_manage/sql/get_resource_user_group_permission_detail.sql
+++ b/apps/system_manage/sql/get_resource_user_group_permission_detail.sql
@@ -1,6 +1,7 @@
 SELECT
     u.id,
     u.name,
+    COALESCE(ugr."count", 0) AS "count",
     case
 		when
 	      wurp."permission" is null then 'NOT_AUTH'
@@ -26,4 +27,15 @@ LEFT JOIN (
         ) wurp
 ON
     u.id = wurp.user_group_id
+LEFT JOIN (
+    SELECT
+        group_id,
+        COUNT(*) AS "count"
+    FROM
+        public."system_user_group_relation"
+    GROUP BY
+        group_id
+) ugr
+ON
+    u.id = ugr.group_id
 ${user_query_set}
\ No newline at end of file
diff --git a/apps/users/serializers/user_group.py b/apps/users/serializers/user_group.py
index 848d3355aa9..40f8571f4b7 100644
--- a/apps/users/serializers/user_group.py
+++ b/apps/users/serializers/user_group.py
@@ -2,6 +2,7 @@
 
 import uuid_utils.compat as uuid
 from django.db import transaction
+from django.db.models import Count
 from django.utils.translation import gettext_lazy as _
 from rest_framework import serializers
 
@@ -32,7 +33,8 @@ def add_or_edit_user_group_relation(user, user_group_ids):
 class SystemUserGroupModelSerializer(serializers.ModelSerializer):
     class Meta:
         model = SystemUserGroup
-        fields = ['id', 'name', 'workspace_id']
+        fields = ['id', 'name', 'workspace_id', 'count']
+
 
 
 class SystemUserGroupCreateSerializer(serializers.Serializer):
@@ -61,7 +63,7 @@ def create_or_update_group(self, with_valid=True):
         data = self.validated_data
         group_id = data.get('id')
         name = data['name']
-        workspace_id = data.get('workspace_id', 'default')
+        workspace_id = data['workspace_id']
 
         if group_id:
             SystemUserGroup.objects.filter(id=group_id, workspace_id=workspace_id).update(name=name)
@@ -99,6 +101,21 @@ def delete(self, *, with_valid=True):
             self.group.delete()
             return True
 
+    class UserGroupListSerializer(serializers.ModelSerializer):
+        workspace_id = serializers.CharField(required=True, label='Workspace ID')
+
+        def get_user_groups(self, workspace_id: str):
+
+            groups = (
+                SystemUserGroup.objects
+                .filter(workspace_id=workspace_id)
+                .annotate(
+                    count=Count("systemusergrouprelation_set__user", distinct=True)
+                )
+                .order_by("name")
+            )
+            return SystemUserGroupModelSerializer(groups, many=True).data
+
 
 class UserGroupAddMemberSerializer(serializers.Serializer):
     id = serializers.CharField(required=True, label='ID')
@@ -181,8 +198,9 @@ class UserGroupRemoveMemberSerializer(serializers.Serializer):
 
     def validate(self, data):
         group_id = data.get('id')
+        workspace_id = data.get('workspace_id')
         relation_ids = data.get('group_relation_ids')
-        if not SystemUserGroup.objects.filter(id=group_id).exists():
+        if not SystemUserGroup.objects.filter(id=group_id, workspace_id=workspace_id).exists():
             raise AppApiException(500, _("User group does not exist"))
         if not relation_ids:
             raise AppApiException(500, _("User group relation IDs cannot be empty"))
@@ -193,7 +211,11 @@ def remove_member(self, with_valid=True):
             self.is_valid(raise_exception=True)
         data = self.validated_data
         relation_ids = data['group_relation_ids']
-        SystemUserGroupRelation.objects.filter(id__in=relation_ids).delete()
+        SystemUserGroupRelation.objects.filter(
+            id__in=relation_ids,
+            group_id=data['id'],
+            group__workspace_id=data['workspace_id'],
+        ).delete()
         return True
 
 
diff --git a/apps/users/views/system_user_group.py b/apps/users/views/system_user_group.py
index bd40f0b6785..5b47efd0868 100644
--- a/apps/users/views/system_user_group.py
+++ b/apps/users/views/system_user_group.py
@@ -1,6 +1,7 @@
 # coding=utf-8
 
 from django.utils.translation import gettext_lazy as _
+from django.db.models import Count
 from drf_spectacular.utils import extend_schema
 from rest_framework.request import Request
 from rest_framework.views import APIView
@@ -60,7 +61,12 @@ class SystemUserGroupView(APIView):
         get_operation_object=_get_operation_object,
     )
     def post(self, request: Request, workspace_id: str):
-        serializer = SystemUserGroupCreateSerializer(request.data)
+        serializer = SystemUserGroupCreateSerializer(
+            data={
+                **request.data,
+                "workspace_id": workspace_id,
+            }
+        )
         data = serializer.create_or_update_group(with_valid=True)
         return result.success(data)
 
@@ -75,8 +81,7 @@ def post(self, request: Request, workspace_id: str):
     )
     @has_permissions(PermissionConstants.SYSTEM_USER_GROUP_READ, RoleConstants.ADMIN)
     def get(self, request: Request, workspace_id: str):
-        groups = SystemUserGroup.objects.filter(workspace_id=workspace_id).order_by("name")
-        return result.success(SystemUserGroupModelSerializer(groups, many=True).data)
+        return result.success(SystemUserGroupCreateSerializer.UserGroupListSerializer().get_user_groups(workspace_id))
 
     class Delete(APIView):
         authentication_classes = [TokenAuth]
@@ -150,7 +155,7 @@ def delete(self, request: Request, workspace_id: str, user_group_id: str):
             return result.success(
                 UserGroupRemoveMemberSerializer(
                     data={"id": user_group_id, "workspace_id": workspace_id,
-                          "user_ids": request.data.get("user_ids", [])}
+                          "group_relation_ids": request.data.get("group_relation_ids", [])}
                 ).remove_member()
             )