一直输入超过1000就报这个错误
contAdd = this.$saleAdd;
theCont = this.$contract(abisale, contAdd);
let setDesNum = this.$BigNumber(this.setDesNum).times(this.numAy).toString();
console.log(setDesNum);
encodeABI = await theCont.methods.setDesNum(setDesNum).encodeABI();