diff --git a/packages/vant/src/pagination/index.less b/packages/vant/src/pagination/index.less
index 491c1257d..0f4e8d856 100644
--- a/packages/vant/src/pagination/index.less
+++ b/packages/vant/src/pagination/index.less
@@ -70,8 +70,8 @@
       cursor: pointer;
     }
 
-    &--border::after {
-      border-width: var(--van-border-width);
+    &--border:first-child::after {
+      border-right-width: var(--van-border-width);
     }
 
     &--disabled {