diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..351c0c3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,12 @@
+
+.Spotlight-V100
+.Trashes
+.DS_Store
+.AppleDouble
+.LSOverride
+._*
+.idea
+.vscode
+
+
+node_modules/
\ No newline at end of file
diff --git a/node_modules/es.shim b/node_modules/es.shim
deleted file mode 120000
index 92a23a5..0000000
--- a/node_modules/es.shim
+++ /dev/null
@@ -1 +0,0 @@
-../../../bytedo/es.shim
\ No newline at end of file
diff --git a/node_modules/iofs b/node_modules/iofs
deleted file mode 120000
index 1a63549..0000000
--- a/node_modules/iofs
+++ /dev/null
@@ -1 +0,0 @@
-../../../bytedo/iofs
\ No newline at end of file
diff --git a/package.json b/package.json
index 81daaef..4d295d4 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,14 @@
   "name": "smartyx",
   "version": "2.0.0",
   "description": "nodeJS模板引擎，理念源自于PHP的smarty模板引擎",
-  "keywords": ["fivejs", "php", "smarty", "template", "ejs", "jade"],
+  "keywords": [
+    "fivejs",
+    "php",
+    "smarty",
+    "template",
+    "ejs",
+    "jade"
+  ],
   "author": "yutent <yutent.io@gmail.com>",
   "repository": {
     "type": "git",
@@ -10,7 +17,7 @@
   },
   "dependencies": {
     "es.shim": "^2.0.0",
-    "iofs": "^2.0.0"
+    "iofs": "^1.4.0"
   },
   "main": "index.js",
   "exports": {