diff --git a/index.js b/index.js
index cee6147..1bd7d1e 100644
--- a/index.js
+++ b/index.js
@@ -63,7 +63,7 @@ const Iofs = {
         var tmp = list.concat()
         tmp.forEach(it => {
           if (this.isdir(it)) {
-            list = list.concat(this.ls(it))
+            list = list.concat(this.ls(it, recursive))
           }
         })
       }
diff --git a/index.mjs b/index.mjs
index 3f1762e..e0434f6 100644
--- a/index.mjs
+++ b/index.mjs
@@ -63,7 +63,7 @@ export default {
         var tmp = list.concat()
         tmp.forEach(it => {
           if (this.isdir(it)) {
-            list = list.concat(this.ls(it))
+            list = list.concat(this.ls(it, recursive))
           }
         })
       }
diff --git a/package.json b/package.json
index 38cf20a..d541340 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "iofs",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "description": "iofs是一个基于原生fs模块封装的工具, 旨在提供更加方便实用一些常用的API方法(同步), API习惯参考了bash shell。",
   "main": "index.js",
   "repository": {