fix remark with null param #130
fix remark with null param #130

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