replace-string_demo v1.2.1

for change old ip in yarn.lock. http://172.16.11.82:4873 to https://npm.chinawyny.com 1. replace-test options: -o 原始的字符串 -n 替换后的字符串 -p 完整的路径 2. replace-test without path it will retrieve yarn.lock in the current folder. If it doesn't find it you can type it yourself