Rick

> Hey I created a PR for having the scaling as well :) #304 hi, i use your code，but is not work ,The image is white,can you help me? thanks

ok，I have solved my problem myself，lol

执行环境是mac，换成linux就可以了

const { ethers, JsonRpcProvider } = require("ethers") // and const provider = new JsonRpcProvider("http://0.0.0.0:7545")

check ethers version, is the key,reason is version update