diff --git a/apps/setting/models_provider/impl/openai_model_provider/model/llm.py b/apps/setting/models_provider/impl/openai_model_provider/model/llm.py
index ff80b0e50..a78ecc0c0 100644
--- a/apps/setting/models_provider/impl/openai_model_provider/model/llm.py
+++ b/apps/setting/models_provider/impl/openai_model_provider/model/llm.py
@@ -40,8 +40,6 @@ class OpenAIChatModel(MaxKBBaseModel, ChatOpenAI):
             openai_api_base=model_credential.get('api_base'),
             openai_api_key=model_credential.get('api_key'),
             **optional_params,
-            streaming=True,
-            stream_usage=True,
             custom_get_token_ids=custom_get_token_ids
         )
         return azure_chat_open_ai
diff --git a/apps/users/serializers/user_serializers.py b/apps/users/serializers/user_serializers.py
index bc18f97af..4eb83bc22 100644
--- a/apps/users/serializers/user_serializers.py
+++ b/apps/users/serializers/user_serializers.py
@@ -132,8 +132,8 @@ class RegisterSerializer(ApiMixin, serializers.Serializer):
                                      max_length=20,
                                      min_length=6,
                                      validators=[
-                                         validators.RegexValidator(regex=re.compile("^[a-zA-Z][a-zA-Z0-9_]{5,20}$"),
-                                                                   message="用户名字符数为 6-20 个字符，必须以字母开头，可使用字母、数字、下划线等")
+                                         validators.RegexValidator(regex=re.compile("^.{6,20}$"),
+                                                                   message="用户名字符数为 6-20 个字符")
                                      ])
     password = serializers.CharField(required=True, error_messages=ErrMessage.char("密码"),
                                      validators=[validators.RegexValidator(regex=re.compile(
@@ -590,8 +590,8 @@ class UserManageSerializer(serializers.Serializer):
                                          max_length=20,
                                          min_length=6,
                                          validators=[
-                                             validators.RegexValidator(regex=re.compile("^[a-zA-Z][a-zA-Z0-9_]{5,20}$"),
-                                                                       message="用户名字符数为 6-20 个字符，必须以字母开头，可使用字母、数字、下划线等")
+                                             validators.RegexValidator(regex=re.compile("^.{6,20}$"),
+                                                                       message="用户名字符数为 6-20 个字符")
                                          ])
         password = serializers.CharField(required=True, error_messages=ErrMessage.char("密码"),
                                          validators=[validators.RegexValidator(regex=re.compile(