diff --git a/common/custom.scss b/common/custom.scss
index 3d15e04..8014d71 100644
--- a/common/custom.scss
+++ b/common/custom.scss
@@ -57,6 +57,22 @@
 		display: none;
 	}
 }
+.lbRequiredDot{
+	position: relative;
+	&::after{
+		height: 26rpx;
+		line-height: 26rpx;
+		display: block;
+		content: '*';
+		position: absolute;
+		color: red;
+		top: 50%;
+		margin-top: -10rpx;
+		left: -16rpx;
+		font-size: 30rpx;
+		font-weight: bold;
+	}
+}
 .smp-tag{
 	margin: 0 20rpx 20rpx 0; display: inline-block;
 }