diff --git a/apps/assets/models/domain.py b/apps/assets/models/domain.py
index e39cca48e..5ac2a9541 100644
--- a/apps/assets/models/domain.py
+++ b/apps/assets/models/domain.py
@@ -10,7 +10,6 @@ from django.db import models
 from django.db.models import TextChoices
 from django.utils.translation import ugettext_lazy as _
 
-from common.utils.strings import no_special_chars
 from orgs.mixins.models import OrgModelMixin
 from .base import BaseUser
 
@@ -64,8 +63,8 @@ class Gateway(BaseUser):
     def test_connective(self, local_port=None):
         if local_port is None:
             local_port = self.port
-        if self.password and not no_special_chars(self.password):
-            return False, _("Password should not contains special characters")
+        if not self.password:
+            return False, _("Password cannot be empty")
 
         client = paramiko.SSHClient()
         client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
diff --git a/apps/assets/serializers/domain.py b/apps/assets/serializers/domain.py
index 1626bd711..08182127e 100644
--- a/apps/assets/serializers/domain.py
+++ b/apps/assets/serializers/domain.py
@@ -4,7 +4,6 @@ from rest_framework import serializers
 from django.utils.translation import ugettext_lazy as _
 
 from orgs.mixins.serializers import BulkOrgResourceModelSerializer
-from common.validators import NoSpecialChars
 from ..models import Domain, Gateway
 from .base import AuthSerializerMixin
 
@@ -58,7 +57,7 @@ class GatewaySerializer(AuthSerializerMixin, BulkOrgResourceModelSerializer):
         fields_fk = ['domain']
         fields = fields_small + fields_fk
         extra_kwargs = {
-            'password': {'write_only': True, 'validators': [NoSpecialChars()]},
+            'password': {'write_only': True},
             'private_key': {"write_only": True},
             'public_key': {"write_only": True},
         }
@@ -67,7 +66,7 @@ class GatewaySerializer(AuthSerializerMixin, BulkOrgResourceModelSerializer):
 class GatewayWithAuthSerializer(GatewaySerializer):
     class Meta(GatewaySerializer.Meta):
         extra_kwargs = {
-            'password': {'write_only': False, 'validators': [NoSpecialChars()]},
+            'password': {'write_only': False},
             'private_key': {"write_only": False},
             'public_key': {"write_only": False},
         }
diff --git a/apps/locale/zh/LC_MESSAGES/django.mo b/apps/locale/zh/LC_MESSAGES/django.mo
index 87aa477f5..6b09f20e5 100644
Binary files a/apps/locale/zh/LC_MESSAGES/django.mo and b/apps/locale/zh/LC_MESSAGES/django.mo differ
diff --git a/apps/locale/zh/LC_MESSAGES/django.po b/apps/locale/zh/LC_MESSAGES/django.po
index 5568da58c..f86e3bc6a 100644
--- a/apps/locale/zh/LC_MESSAGES/django.po
+++ b/apps/locale/zh/LC_MESSAGES/django.po
@@ -652,8 +652,8 @@ msgid "Gateway"
 msgstr "网关"
 
 #: assets/models/domain.py:68
-msgid "Password should not contains special characters"
-msgstr "密码不能包含特殊字符"
+msgid "Password cannot be empty"
+msgstr "密码不能为空"
 
 #: assets/models/gathered_user.py:16
 msgid "Present"