onUpload(){
     console.log('begin upload')
       OSS.upload("twohours","lsdjflsdkflj",this.state.avatarSource.uri)
         .then((d)=>{
           console.log('success upload:'+JSON.stringify(d))
           console.log("https://twohours."+Config.oss.endpoint+"/lsdjflsdkflj")
           this.setState({
             avatarSource2:{
               uri: "https://twohours."+Config.oss.endpoint+"/lsdjflsdkflj"
             }
           })
         })
         .catch((e)=>{
           console.error(e)
         })
 }
 onUpload(){
   OSS.upload("twohours","sdsdest","")
 }