diff --git a/app/src/main/res/layout/activity_setting_network.xml b/app/src/main/res/layout/activity_setting_network.xml
index 2d8e620..7927eb8 100644
--- a/app/src/main/res/layout/activity_setting_network.xml
+++ b/app/src/main/res/layout/activity_setting_network.xml
@@ -112,7 +112,7 @@
             android:id="@+id/screen_rotation"
             android:singleLine="true"
             android:inputType="number"
-            android:digits="1234"
+            android:digits="12345678"
             android:hint="5正竖;6倒竖;7正横;8倒横;1竖;2横;3横竖;4禁止" />
 
         <TextView />