fix the TrimLeft bug
fix the TrimLeft bug

linkeo/bee,springning/bee,qida/bee,tguangch/bee,franzwilhelm/bee,qida/bee,kyawmyintthein/bee,layeka/bee,BorisBorshevsky/bee,ogero/bee,aamsur/bee,beego/bee,beego/bee,amrfaissal/bee