diff --git a/bin/serve.js b/bin/serve.js
index bded78e..d03dab1 100644
--- a/bin/serve.js
+++ b/bin/serve.js
@@ -39,6 +39,7 @@ const chalkTag = {
  * 遍历应用的方法
  */
 const findApp = (dir, cb) => {
+  fsExtra.ensureDirSync(dir)
   return readdir(dir).then(apps => {
     return Promise.all(apps.map(e => {
       let cPath = path.join(dir, e)