diff --git a/lib/dev.js b/lib/dev.js
index 12cac9e..6567d86 100644
--- a/lib/dev.js
+++ b/lib/dev.js
@@ -258,7 +258,7 @@ export default async function createServer(root = '', conf = {}) {
         '\n'
       )
       conf.devServer.port = PORT + 1
-      createServer(SOURCE_DIR, conf)
+      createServer(root, conf)
     })
     .on('listening', _ => {
       console.log('启动成功, 可通过以下地址访问')