diff --git a/package.json b/package.json
index 76f052e..31dc4ff 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tiny-qiniu",
-  "version": "0.1.1",
+  "version": "0.2.0",
   "description": "A tiny qiniu sdk for uploading file.",
   "scripts": {
     "prebuild": "rimraf dist lib",