diff --git a/packages/vant-css/src/field.css b/packages/vant-css/src/field.css
index 2e0543037..796cae320 100644
--- a/packages/vant-css/src/field.css
+++ b/packages/vant-css/src/field.css
@@ -29,6 +29,7 @@
     position: absolute;
     right: 0;
     top: 50%;
+    color: $gray-dark;
     padding: 10px 0 10px 10px;
     transform: translate3d(0, -50%, 0);