diff --git a/gpsrelaysentinel/src/main/res/drawable/border_gray.xml b/gpsrelaysentinel/src/main/res/drawable/border_gray.xml
new file mode 100644
index 0000000..a8c93bd
--- /dev/null
+++ b/gpsrelaysentinel/src/main/res/drawable/border_gray.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    android:shape="rectangle">
+    <!-- 灰色边框 -->
+    <stroke
+        android:width="1dp"
+        android:color="#555555"/>
+    <!-- 内部深色背景 -->
+    <solid android:color="#222222"/>
+    <!-- 轻微圆角 -->
+    <corners android:radius="4dp"/>
+</shape>
+