diff --git a/CHANGELOG.md b/CHANGELOG.md
index af6c235..f7a8f0e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.1.0-rc.0
+
+- 修复不兼容API9的问题
+
 ## 2.1.0
 
 - ArkTs语法整改:
diff --git a/imageknife/oh-package.json5 b/imageknife/oh-package.json5
index 1df2e5d..a992503 100644
--- a/imageknife/oh-package.json5
+++ b/imageknife/oh-package.json5
@@ -14,7 +14,7 @@
   "main": "index.ets",
   "repository": "https://gitee.com/openharmony-tpc/ImageKnife",
   "type": "module",
-  "version": "2.1.0",
+  "version": "2.1.0-rc.0",
   "dependencies": {
     "@ohos/disklrucache": "^2.0.1",
     "@ohos/svg": "^2.1.0",