diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml
index bdde076..d041142 100644
--- a/android/src/main/AndroidManifest.xml
+++ b/android/src/main/AndroidManifest.xml
@@ -1,7 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="com.dscj.autoheightwebview">
 
-    <application android:allowBackup="true"
+    <application android:allowBackup="false"
                  android:label="@string/app_name"
                  android:supportsRtl="true"
     >
diff --git a/demo/android/app/src/main/AndroidManifest.xml b/demo/android/app/src/main/AndroidManifest.xml
index eb805ed..725c3af 100644
--- a/demo/android/app/src/main/AndroidManifest.xml
+++ b/demo/android/app/src/main/AndroidManifest.xml
@@ -12,7 +12,7 @@
 
     <application
       android:name=".MainApplication"
-      android:allowBackup="true"
+      android:allowBackup="false"
       android:label="@string/app_name"
       android:icon="@mipmap/ic_launcher"
       android:theme="@style/AppTheme">