diff --git a/bytheway/src/main/res/layout/activity_settings.xml b/bytheway/src/main/res/layout/activity_settings.xml
index cf8394f..7d8c90a 100644
--- a/bytheway/src/main/res/layout/activity_settings.xml
+++ b/bytheway/src/main/res/layout/activity_settings.xml
@@ -1,15 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:padding="16dp">
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:orientation="vertical"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	android:padding="16dp">
 
-    <Switch
-        android:id="@+id/sw_gps_service"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="GPS定位服务" />
+	<Switch
+		android:id="@+id/sw_gps_service"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:text="GPS定位服务"/>
+
+</LinearLayout>
 
-</LinearLayout>
\ No newline at end of file