diff --git a/AppScope/app.json5 b/AppScope/app.json5
index 0598bb6..b4378b4 100644
--- a/AppScope/app.json5
+++ b/AppScope/app.json5
@@ -3,7 +3,7 @@
     "bundleName": "com.openharmony.imageknife",
     "vendor": "example",
     "versionCode": 1000000,
-    "versionName": "2.1.2",
+    "versionName": "2.1.1",
     "icon": "$media:app_icon",
     "label": "$string:app_name",
     "distributedNotificationEnabled": true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d41e702..60275f5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
-## 2.1.2
+## 2.1.1
 - 屏蔽了taskpool解码能力
-- 支持2.1.1-rc.1 到 2.1.1-rc.5功能
+- 2.1.1正式版本发步
 
 ## 2.1.1-rc.5
 - .jpg .png .gif解码功能使用taskpool实现
diff --git a/entry/oh-package.json5 b/entry/oh-package.json5
index 196f944..1201454 100644
--- a/entry/oh-package.json5
+++ b/entry/oh-package.json5
@@ -4,7 +4,7 @@
   "name": "entry",
   "description": "example description",
   "repository": {},
-  "version": "2.1.2",
+  "version": "2.1.1",
   "dependencies": {
     "@ohos/libraryimageknife": "file:../sharedlibrary",
     "@ohos/disklrucache": "^2.0.2-rc.0",
diff --git a/library/oh-package.json5 b/library/oh-package.json5
index 3aff197..ae10540 100644
--- a/library/oh-package.json5
+++ b/library/oh-package.json5
@@ -14,7 +14,7 @@
   "main": "index.ets",
   "repository": "https://gitee.com/openharmony-tpc/ImageKnife",
   "type": "module",
-  "version": "2.1.2",
+  "version": "2.1.1",
   "dependencies": {
     "pako": "^2.1.0",
     "@ohos/disklrucache": "^2.0.2-rc.0",
diff --git a/oh-package.json5 b/oh-package.json5
index bea7499..721dfc5 100644
--- a/oh-package.json5
+++ b/oh-package.json5
@@ -6,6 +6,6 @@
   "name": "imageknife",
   "description": "example description",
   "repository": {},
-  "version": "2.1.2",
+  "version": "2.1.1",
   "dependencies": {}
 }