diff --git a/src/assets/board/device.png b/src/assets/board/device.png
index cdd63e8..f24f083 100644
Binary files a/src/assets/board/device.png and b/src/assets/board/device.png differ
diff --git a/src/views/board/board4/index.vue b/src/views/board/board4/index.vue
index 80ca1a1..3a9e42d 100644
--- a/src/views/board/board4/index.vue
+++ b/src/views/board/board4/index.vue
@@ -1218,10 +1218,10 @@ export default {
 
 .centerDevice {
   position: absolute;
-  top: 22%;
+  top: 24%;
   left: 28.6%;
   width: 42.9%;
-  height: 24.13vw;
+  height: 19.41vw;
   background-image: url("../../../assets/board/device.png");
   background-repeat: no-repeat;
   background-size: 100% 100%;