diff --git a/src/less/base/single/input/checkbox.less b/src/less/base/single/input/checkbox.less
index abdd7b761..47d6e1088 100644
--- a/src/less/base/single/input/checkbox.less
+++ b/src/less/base/single/input/checkbox.less
@@ -8,8 +8,9 @@
     &:after {
       position: absolute;
       display: table;
-      top: 50%;
-      left: 20%;
+      // 百分比会出现像素误差
+      top: 6px;
+      left: 2px;
       border: 2px solid transparent;
       border-top: 0;
       border-left: 0;