robocop style improve, no logic change
robocop style improve, no logic change

caiqinghua/wechat,EndingChaung/wechat,Dearest/wechat-1,Eric-Guo/wechat,Dearest/wechat-1,Eric-Guo/wechat,caiqinghua/wechat,caiqinghua/wechat,JeeLiu/wechat,TangMonk/wechat,zfben/wechat,wolflee/wechat-rails,Dearest/wechat-1,skinnyworm/wechat-rails,wolflee/wechat-rails,yxf/wechat