diff --git a/AppScope/app.json5 b/AppScope/app.json5
index 2da432d91ee08df148474ad803fd3ea3657b943f..72fbafcfb8a50609379cf3e36e53ad3bf951d9e6 100644
--- a/AppScope/app.json5
+++ b/AppScope/app.json5
@@ -3,7 +3,7 @@
     "bundleName": "com.openharmony.xmlgraphicsbatik",
     "vendor": "example",
     "versionCode": 1000000,
-    "versionName": "1.0.0",
+    "versionName": "2.1.1-rc.0",
     "icon": "$media:app_icon",
     "label": "$string:app_name",
     "distributedNotificationEnabled": true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e90e0fd418915e9ae606e8c6b83b406a9093e542..1185a8f4e0787fcf6db60a359de3cc82dd586e84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## Version 2.1.1-rc.0
+
+- 修复不兼容API9问题
 
 ## Version 2.1.0
 
diff --git a/XmlGraphicsBatik/oh-package.json5 b/XmlGraphicsBatik/oh-package.json5
index 3f38e8204b71dd9f04ec9369c2a3b862a508fd85..e03f36189cc54d807539f48bf19d40b32079a3cc 100644
--- a/XmlGraphicsBatik/oh-package.json5
+++ b/XmlGraphicsBatik/oh-package.json5
@@ -10,7 +10,7 @@
   },
   "main": "index.ets",
   "repository": "https://gitee.com/openharmony-tpc/XmlGraphicsBatik",
-  "version": "2.1.0",
+  "version": "2.1.1-rc.0",
   "dependencies": {},
   "tags": [
     "Tool"
diff --git a/build-profile.json5 b/build-profile.json5
index e059c257bb4b27e26e44fae5b4da566f744b79a4..5bc6f2c1d044c70fcd12cfea298550c299fe003c 100644
--- a/build-profile.json5
+++ b/build-profile.json5
@@ -6,7 +6,7 @@
         "name": "default",
         "signingConfig": "debug_default",
         "compileSdkVersion": 10,
-        "compatibleSdkVersion": 10
+        "compatibleSdkVersion":9
       }
     ],
   },
diff --git a/entry/oh-package.json5 b/entry/oh-package.json5
index d6495cd87f35014b1ef84e450300ac7ee88cc5d8..d3524c7ce2b05c6048c4202472fa71a8bc1faf8c 100644
--- a/entry/oh-package.json5
+++ b/entry/oh-package.json5
@@ -4,7 +4,7 @@
   "name": "entry",
   "description": "example description",
   "repository": {},
-  "version": "2.1.0",
+  "version": "2.1.1-rc.0",
   "dependencies": {
     "@ohos/XmlGraphicsBatik": "file:../XmlGraphicsBatik"
   }
diff --git a/oh-package.json5 b/oh-package.json5
index 5b34cbf74f8e2acc903049766fcaf868ff449aeb..e539fe34756a0d4bea5040fa99566bfddd2f28c1 100644
--- a/oh-package.json5
+++ b/oh-package.json5
@@ -6,7 +6,7 @@
   "name": "xmlgraphicsbatik",
   "description": "example description",
   "repository": {},
-  "version": "2.1.0",
+  "version": "2.1.1-rc.0",
   "dependencies": {
     "@ohos/hypium": "1.0.6"
   }