diff --git a/AppScope/app.json5 b/AppScope/app.json5
index c4e252e879019c489932a31f7d49de67d46a6ee5..8e998ea61a7e3de1dbaa39eb221953234ec915ef 100644
--- a/AppScope/app.json5
+++ b/AppScope/app.json5
@@ -3,7 +3,7 @@
     "bundleName": "com.example.mp4parser",
     "vendor": "example",
     "versionCode": 1000000,
-    "versionName": "1.0.0",
+    "versionName": "2.0.2-rc.0",
     "icon": "$media:app_icon",
     "label": "$string:app_name",
     "distributedNotificationEnabled": true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e9ffa5e4d57eb70f061e0448d779d3bb0af805b..4f09e762fc9c58509ef10f3501f3ba8887153801 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 2.0.2-rc.0
+- 修复不兼容API9问题
+
 ## 2.0.1
 - 1.ArkTS语法整改
 
diff --git a/build-profile.json5 b/build-profile.json5
index d5be84e8fc839019d205b43c500f584fe944d648..9e760ba65a686799075b2b6a800ff4df858783c3 100644
--- a/build-profile.json5
+++ b/build-profile.json5
@@ -5,7 +5,7 @@
         "name": "default",
         "signingConfig": "default",
         "compileSdkVersion": 10,
-        "compatibleSdkVersion": 10
+        "compatibleSdkVersion": 9
       }
     ]
   },
diff --git a/entry/oh-package.json5 b/entry/oh-package.json5
index 8878b76bc81d728f581e8068e3dab605f92ee1d8..a805dcbdc8090bf670ff8d464ef12180e317b2a7 100644
--- a/entry/oh-package.json5
+++ b/entry/oh-package.json5
@@ -4,7 +4,7 @@
   "name": "entry",
   "description": "一个读取、写入操作音视频文件编辑的工具。",
   "repository": {},
-  "version": "2.0.0",
+  "version": "2.0.2-rc.0",
   "dependencies": {
     "@ohos/mp4parser": "file:../mp4parser"
   }
diff --git a/mp4parser/oh-package.json5 b/mp4parser/oh-package.json5
index 7141024e81e22a283f2161de4cdf5382be4f48a5..368f36ac4342d77927b3d1fc708b04a1806f5af7 100644
--- a/mp4parser/oh-package.json5
+++ b/mp4parser/oh-package.json5
@@ -19,7 +19,7 @@
   "name": "@ohos/mp4parser",
   "description": "一个读取、写入操作音视频文件编辑的工具。支持视频裁剪、视频合成、音频裁剪、音频合成、视频取帧。",
   "main": "index.ets",
-  "version": "2.0.1",
+  "version": "2.0.2-rc.0",
   "dependencies": {
      "@types/libmp4parser_napi.so": "file:./src/main/cpp/types/libmp4parser_napi"
   }
diff --git a/oh-package.json5 b/oh-package.json5
index 80b0fb5778d847ceb21ee97c4b1a25087481ef7d..0eff617a64a59c11f33bf269d1bce99477377f31 100644
--- a/oh-package.json5
+++ b/oh-package.json5
@@ -11,6 +11,6 @@
   "name": "mp4parser",
   "description": "一个读取、写入操作音视频文件编辑的工具。",
   "repository": {},
-  "version": "1.0.8",
+  "version": "2.0.2-rc.0",
   "dependencies": {}
 }