diff --git a/apps/assets/models/domain.py b/apps/assets/models/domain.py
index 7aafab504..7fcb02c3c 100644
--- a/apps/assets/models/domain.py
+++ b/apps/assets/models/domain.py
@@ -144,10 +144,17 @@ class Gateway(BaseUser):
                            key_filename=self.private_key_file,
                            sock=sock,
                            timeout=5)
-        except (paramiko.SSHException, paramiko.ssh_exception.SSHException,
-                paramiko.AuthenticationException, TimeoutError) as e:
+        except (paramiko.SSHException,
+                paramiko.ssh_exception.SSHException,
+                paramiko.ChannelException,
+                paramiko.AuthenticationException,
+                TimeoutError) as e:
+
+            err = getattr(e, 'text', str(e))
+            if err == 'Connect failed':
+                err = _('Connect failed')
             self.is_connective = False
-            return False, str(e)
+            return False, err
         finally:
             client.close()
         self.is_connective = True
diff --git a/apps/locale/zh/LC_MESSAGES/django.mo b/apps/locale/zh/LC_MESSAGES/django.mo
index 73b723b66..50d851850 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 240e3dc30..eb0be9db3 100644
--- a/apps/locale/zh/LC_MESSAGES/django.po
+++ b/apps/locale/zh/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: JumpServer 0.3.3\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-09-16 10:31+0800\n"
+"POT-Creation-Date: 2021-09-16 10:57+0800\n"
 "PO-Revision-Date: 2021-05-20 10:54+0800\n"
 "Last-Translator: ibuler <ibuler@qq.com>\n"
 "Language-Team: JumpServer team<ibuler@qq.com>\n"
@@ -687,7 +687,7 @@ msgstr "无法连接到 {ip} 上的端口 {port}"
 msgid "Authentication failed"
 msgstr "认证失败"
 
-#: assets/models/domain.py:133
+#: assets/models/domain.py:133 assets/models/domain.py:155
 msgid "Connect failed"
 msgstr "连接失败"
 
@@ -1433,7 +1433,7 @@ msgstr "{ApplicationPermission} 添加 {SystemUser}"
 msgid "{ApplicationPermission} REMOVE {SystemUser}"
 msgstr "{ApplicationPermission} 移除 {SystemUser}"
 
-#: authentication/api/connection_token.py:226
+#: authentication/api/connection_token.py:230
 msgid "Invalid token"
 msgstr "无效的令牌"