diff --git a/app.wxss b/app.wxss
index 480d2a7..c3108db 100644
--- a/app.wxss
+++ b/app.wxss
@@ -1344,4 +1344,5 @@ checkbox .wx-checkbox-input {
     margin-right: 16rpx;
 }
 
+.gray{ background-color:gainsboro !important; }