diff --git a/packages/vant-css/src/cell.css b/packages/vant-css/src/cell.css
index 0b0d9c6b1..f60b7e358 100644
--- a/packages/vant-css/src/cell.css
+++ b/packages/vant-css/src/cell.css
@@ -13,10 +13,7 @@
   overflow: hidden;
 
   &:not(:last-child)::after {
-    left: 15px;
-    right: 0;
-    width: auto;
-    transform: scale(1, .5);
+    margin-left: 15px;
     border-bottom-width: 1px;
   }
 
diff --git a/packages/vant-css/src/mixins/hairline.css b/packages/vant-css/src/mixins/hairline.css
index 6b7af4431..825f83bf7 100644
--- a/packages/vant-css/src/mixins/hairline.css
+++ b/packages/vant-css/src/mixins/hairline.css
@@ -1,12 +1,11 @@
 @mixin hairline($border-color: #eee) {
   content: '';
   position: absolute;
-  top: 0;
-  left: 0;
-  width: 199%;
-  height: 199%;
+  top: -50%;
+  left: -50%;
+  right: -50%;
+  bottom: -50%;
   transform: scale(0.5);
-  transform-origin: 0 0;
   pointer-events: none;
   box-sizing: border-box;
   border: 0 solid $border-color;