add update vc

crontab.py

@@ -233,6 +233,7 @@ if __name__ == '__main__':
     if len(sys.argv) >= 2 and sys.argv[1] in option:
         environment = sys.argv[1]
     else:
+        print("命令选项：\n线上：python3 crontab.py prod\n测试：python3 crontab.py dev\n")
         sys.exit(1)
     config = config_dev
     if environment == "dev":