diff --git a/app/src/main/java/cc/niushuai/project/devcontrol/ui/deviceadd/DeviceAddPowerSwitchActivity.java b/app/src/main/java/cc/niushuai/project/devcontrol/ui/deviceadd/DeviceAddPowerSwitchActivity.java
index ab0e522..1cad308 100644
--- a/app/src/main/java/cc/niushuai/project/devcontrol/ui/deviceadd/DeviceAddPowerSwitchActivity.java
+++ b/app/src/main/java/cc/niushuai/project/devcontrol/ui/deviceadd/DeviceAddPowerSwitchActivity.java
@@ -39,8 +39,6 @@ public class DeviceAddPowerSwitchActivity extends BaseActivity {
 
         // 设置标题栏信息
         this.setTitle(null, getString(R.string.power_switch_add), null, R.drawable.ic_confrim_32);
-
-
     }
 
     /**
diff --git a/app/src/main/res/layout/activity_device_custom.xml b/app/src/main/res/layout/activity_device_custom.xml
index 75b2b2f..5d64239 100644
--- a/app/src/main/res/layout/activity_device_custom.xml
+++ b/app/src/main/res/layout/activity_device_custom.xml
@@ -6,4 +6,25 @@
     android:layout_height="match_parent"
     tools:context=".ui.custom.DeviceCustomActivity">
 
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/hello_world"/>
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/hello_world"/>
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/hello_world"/>
+
+    </LinearLayout>
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file