fix shellcheck in travisci
fix shellcheck in travisci

Chatie/wechaty,wechaty/wechaty,zixia/wechaty,lijiarui/wechaty,binsee/wechaty,wechaty/wechaty,lijiarui/wechaty,mukaiu/wechaty,binsee/wechaty,Chatie/wechaty,Chatie/wechaty,zixia/wechaty,binsee/wechaty,mukaiu/wechaty,mukaiu/wechaty,wechaty/wechaty