diff --git a/src/bk-user/bkuser/apps/data_source/models.py b/src/bk-user/bkuser/apps/data_source/models.py
index bf2e7165d..4bf40979a 100644
--- a/src/bk-user/bkuser/apps/data_source/models.py
+++ b/src/bk-user/bkuser/apps/data_source/models.py
@@ -8,6 +8,7 @@
 an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 specific language governing permissions and limitations under the License.
 """
+import uuid
 
 from django.conf import settings
 from django.db import models
@@ -57,7 +58,7 @@ def is_local(self) -> bool:
 
 class DataSourceUser(TimestampedModel):
     data_source = models.ForeignKey(DataSource, on_delete=models.PROTECT, db_constraint=False)
-    # code = models.CharField("用户标识", max_length=128, default=uuid.uuid4)
+    code = models.CharField("用户标识", max_length=128, default=uuid.uuid4)
 
     # ----------------------- 内置字段相关 -----------------------
     username = models.CharField("用户名", max_length=128)
@@ -78,7 +79,7 @@ class DataSourceUser(TimestampedModel):
     class Meta:
         ordering = ["id"]
         unique_together = [
-            # ("code", "data_source"),
+            ("code", "data_source"),
             ("username", "data_source"),
         ]