diff --git a/android/proguard.pro b/android/proguard.pro
index 4563039..cb61f06 100644
--- a/android/proguard.pro
+++ b/android/proguard.pro
@@ -1,2 +1,3 @@
 -keepnames class cn.reactnative.modules.update.DownloadTask { *; }
+-keepnames class cn.reactnative.modules.update.UpdateModuleImpl { *; }
 -keepnames class com.facebook.react.ReactInstanceManager { *; }
\ No newline at end of file
diff --git a/lib/main.ts b/lib/main.ts
index 9a07135..5d0fd46 100644
--- a/lib/main.ts
+++ b/lib/main.ts
@@ -139,7 +139,7 @@ export async function checkUpdate(APPKEY: string, isRetry?: boolean) {
   const now = Date.now();
   if (lastResult && lastChecking && now - lastChecking < 1000 * 60) {
     // logger('repeated checking, ignored');
-    return lastResult || empty;
+    return lastResult;
   }
   lastChecking = now;
   if (blockUpdate && blockUpdate.until > Date.now() / 1000) {
@@ -190,7 +190,6 @@ export async function checkUpdate(APPKEY: string, isRetry?: boolean) {
       //@ts-ignore
       message: result.message,
     });
-    return lastResult;
   }
 
   return result;
diff --git a/package.json b/package.json
index 2daeaae..27843e8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-update",
-  "version": "9.0.4",
+  "version": "9.0.5",
   "description": "react-native hot update",
   "main": "lib/index.ts",
   "scripts": {