diff --git a/AppScope/app.json5 b/AppScope/app.json5
index 35feebcf32974017942d91e98b53887df019f5e0..11868c13b2192dee75851b8c4352e3b81602cffe 100644
--- a/AppScope/app.json5
+++ b/AppScope/app.json5
@@ -3,7 +3,7 @@
     "bundleName": "com.example.disklrucache",
     "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 e3131c30368bce5460abf1e11f990f8d77993fcc..27f832a88ef414f0212e727678e45e50e0b10bf6 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
 - 适配ArkTs语法
 - 适配DevEco Studio: 4.0(4.0.3.512)
diff --git a/build-profile.json5 b/build-profile.json5
index 02f8d6d2065159f1fa4f4a6f4e187f4b982c086d..a143448ad0f9ad594a4fc318810f5c08abf94d38 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/disklrucache/oh-package.json5 b/disklrucache/oh-package.json5
index 2ea5a6ba3d44c076ee2d2a774894a6eb19951d92..21835c4c0db8a5955f25e2c737dbd357de665517 100644
--- a/disklrucache/oh-package.json5
+++ b/disklrucache/oh-package.json5
@@ -13,7 +13,7 @@
   "main": "index.ets",
   "repository": "https://gitee.com/openharmony-sig/ohos_disklrucache",
   "type": "module",
-  "version": "2.0.1",
+  "version": "2.0.2-rc.0",
   "dependencies": {},
   "tags": [
     "Tool"
diff --git a/entry/oh-package.json5 b/entry/oh-package.json5
index 13d777546fba6aa2294f9d1f3556128024a2b63b..5081c5a063213e198e9de4f0302a80427072ff9e 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": "2.0.2-rc.0",
   "dependencies": {
     "@ohos/disklrucache": "file:../disklrucache"
   }
diff --git a/oh-package.json5 b/oh-package.json5
index 1b035088810297bb627bce4fd62754329e4f7f68..eadd1e419c822e7f10c0ff0585310ced889dfe15 100644
--- a/oh-package.json5
+++ b/oh-package.json5
@@ -6,6 +6,6 @@
   "name": "disklrucache",
   "description": "example description",
   "repository": {},
-  "version": "2.0.1",
+  "version": "2.0.2-rc.0",
   "dependencies": {}
 }