diff --git a/jumpserver/api.py b/jumpserver/api.py
index 35931d4aa..e0d113593 100644
--- a/jumpserver/api.py
+++ b/jumpserver/api.py
@@ -25,6 +25,9 @@ from django.shortcuts import render_to_response
 from django.core.mail import send_mail
 import json
 import logging
+VIM_FLAG = False
+VIM_COMMAND = ''
+SSH_TTY = ''
 
 try:
     import termios