访问链接:https://github.com/assimon/dujiaoka/wiki/bt_install#%E4%B8%80%E8%BF%9B%E5%85%A5%E7%BD%91%E7%AB%99%E6%A0%B9%E7%9B%AE%E5%BD%95%E5%B0%86envexample%E9%87%8D%E5%91%BD%E5%90%8D%E4%B8%BA-env