diff --git a/AppScope/app.json5 b/AppScope/app.json5
index ab6ca987104b92537f38eed88119b5e538cb0447..90cd25c60a8aa9c6e00279d34614c4947244149f 100644
--- a/AppScope/app.json5
+++ b/AppScope/app.json5
@@ -3,7 +3,7 @@
     "bundleName": "cn.openharmony.qrcodegenerator",
     "vendor": "example",
     "versionCode": 1000000,
-    "versionName": "2.0.1",
+    "versionName": "2.0.1-rc.0",
     "icon": "$media:app_icon",
     "label": "$string:app_name",
     "distributedNotificationEnabled": true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff74634215c4ae3c33008f89d795bfce7a754c87..10b0630630b43e72a22905f91d20e0e350d9a61b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
+## 2.0.1-rc.0
+修复不兼容API9问题
 ## 2.0.1
-qr-code-generator:ArkTs语法规则整改
+qr-code-generator:ArkTs语法适配
 
 ## 2.0.0
 
diff --git a/build-profile.json5 b/build-profile.json5
index 36c37b01020d788ee58e5d30b68b3935d9261d6c..96ce925f29e4b0b50f873dd0f1cc7bcf365b6650 100644
--- a/build-profile.json5
+++ b/build-profile.json5
@@ -5,7 +5,7 @@
         "name": "default",
         "signingConfig": "default",
         "compileSdkVersion": 10,
-        "compatibleSdkVersion": 10,
+        "compatibleSdkVersion": 9,
         "runtimeOS": "OpenHarmony"
       }
     ],
diff --git a/entry/oh-package.json5 b/entry/oh-package.json5
index 9361e7580aac8bf3753103f0c7f6caff19c185f2..18f6e6fcc4113785cc9cb26fdcd204345d167982 100644
--- a/entry/oh-package.json5
+++ b/entry/oh-package.json5
@@ -4,7 +4,7 @@
   "name": "entry",
   "description": "example description",
   "repository": "",
-  "version": "2.0.1",
+  "version": "2.0.1-rc.0",
   "dependencies": {
     "@ohos/qr-code-generator": "file:../qrcodegen"
   }
diff --git a/oh-package.json5 b/oh-package.json5
index bab9a2e3386270ae4b1cc4406c1c594d78365257..6401c0e387e5693c1182a24b8291fccd3426b402 100644
--- a/oh-package.json5
+++ b/oh-package.json5
@@ -6,6 +6,6 @@
   "name": "qrcodegenerator",
   "description": "example description",
   "repository": "",
-  "version": "2.0.1",
+  "version": "2.0.1-rc.0",
   "dependencies": {}
 }
diff --git a/qrcodegen/oh-package.json5 b/qrcodegen/oh-package.json5
index 1591dd42cdaaa9cb97eb5bf9ab06a6c771f0128e..2c27567521b44ff7e264333404a69b7633961e2b 100644
--- a/qrcodegen/oh-package.json5
+++ b/qrcodegen/oh-package.json5
@@ -12,6 +12,6 @@
   "description": "High-quality QR Code generator library",
   "main": "index.ets",
   "repository": "https://gitee.com/openharmony-sig/qr-code-generator",
-  "version": "2.0.1",
+  "version": "2.0.1-rc.0",
   "dependencies": {}
 }