diff --git a/Assets/Res/ui/connectdevicepage/connectDevicePage.prefab b/Assets/Res/ui/connectdevicepage/connectDevicePage.prefab
index 39231b8..7b13a74 100644
--- a/Assets/Res/ui/connectdevicepage/connectDevicePage.prefab
+++ b/Assets/Res/ui/connectdevicepage/connectDevicePage.prefab
@@ -2530,6 +2530,7 @@ MonoBehaviour:
   upscaleFactor: 2
   scanResolutionWidth: 640
   useAsyncScan: 1
+  centerCropRatio: 0.5
   enableAutoFocus: 1
   focusInterval: 1
   previewUpdateInterval: 0.03