let res = await that.axios.get('/Test.json')
// console.log(66744, res)
let data = res.data
let tronWeb = window.tronWeb
let address = tronWeb.address.fromHex(data.networks['*'].address)  //转变成base58
let contract = tronWeb.contract(data.abi, address)
let s = await contract.a().call() //查询方法view
let stringx = 'WSTEEM是ERC20代币，旨在打通STEEM和以太坊网络的通道，使资产自由流通！'
let s2 = await contract.set(stringx).send() //更改方法