diff --git a/apps/local_model/models/user.py b/apps/local_model/models/user.py
index 0f480d89fde..d68130c242c 100644
--- a/apps/local_model/models/user.py
+++ b/apps/local_model/models/user.py
@@ -17,7 +17,7 @@ class User(models.Model):
     id = models.UUIDField(primary_key=True, max_length=128, default=uuid.uuid7, editable=False, verbose_name="主键id")
     email = models.EmailField(unique=True, null=True, blank=True, verbose_name="邮箱", db_index=True)
     phone = models.CharField(max_length=20, verbose_name="电话", default="", db_index=True)
-    nick_name = models.CharField(max_length=150, verbose_name="昵称", unique=True, db_index=True)
+    nick_name = models.CharField(max_length=150, verbose_name="昵称", db_index=True)
     username = models.CharField(max_length=150, unique=True, verbose_name="用户名", db_index=True)
     password = models.CharField(max_length=150, verbose_name="密码")
     role = models.CharField(max_length=150, verbose_name="角色")
diff --git a/apps/users/models/user.py b/apps/users/models/user.py
index 0f480d89fde..d68130c242c 100644
--- a/apps/users/models/user.py
+++ b/apps/users/models/user.py
@@ -17,7 +17,7 @@ class User(models.Model):
     id = models.UUIDField(primary_key=True, max_length=128, default=uuid.uuid7, editable=False, verbose_name="主键id")
     email = models.EmailField(unique=True, null=True, blank=True, verbose_name="邮箱", db_index=True)
     phone = models.CharField(max_length=20, verbose_name="电话", default="", db_index=True)
-    nick_name = models.CharField(max_length=150, verbose_name="昵称", unique=True, db_index=True)
+    nick_name = models.CharField(max_length=150, verbose_name="昵称", db_index=True)
     username = models.CharField(max_length=150, unique=True, verbose_name="用户名", db_index=True)
     password = models.CharField(max_length=150, verbose_name="密码")
     role = models.CharField(max_length=150, verbose_name="角色")
diff --git a/apps/users/serializers/user.py b/apps/users/serializers/user.py
index e49291e1bb9..eaff28e8c05 100644
--- a/apps/users/serializers/user.py
+++ b/apps/users/serializers/user.py
@@ -220,15 +220,12 @@ def is_valid(self, *, raise_exception=True):
         def _check_unique_username_and_email(self):
             username = self.data.get('username')
             email = self.data.get('email')
-            nick_name = self.data.get('nick_name')
-            user = User.objects.filter(Q(username=username) | Q(email=email) | Q(nick_name=nick_name)).first()
+            user = User.objects.filter(Q(username=username) | Q(email=email)).first()
             if user:
                 if user.email == email:
                     raise ExceptionCodeConstants.EMAIL_IS_EXIST.value.to_app_api_exception()
                 if user.username == username:
                     raise ExceptionCodeConstants.USERNAME_IS_EXIST.value.to_app_api_exception()
-                if user.nick_name == nick_name:
-                    raise ExceptionCodeConstants.NICKNAME_IS_EXIST.value.to_app_api_exception()
 
     class Query(serializers.Serializer):
         username = serializers.CharField(
@@ -411,12 +408,6 @@ class UserEditInstance(serializers.Serializer):
         def is_valid(self, *, user_id=None, raise_exception=False):
             super().is_valid(raise_exception=True)
             self._check_unique_email(user_id)
-            self._check_unique_nick_name(user_id)
-
-        def _check_unique_nick_name(self, user_id):
-            nick_name = self.data.get('nick_name')
-            if nick_name and User.objects.filter(nick_name=nick_name).exclude(id=user_id).exists():
-                raise AppApiException(1008, _('Nickname is already in use'))
 
         def _check_unique_email(self, user_id):
             email = self.data.get('email')