diff --git a/packages/theme-chalk/src/input-number.scss b/packages/theme-chalk/src/input-number.scss
index f2a32d61a1..d04acd31fa 100644
--- a/packages/theme-chalk/src/input-number.scss
+++ b/packages/theme-chalk/src/input-number.scss
@@ -25,6 +25,7 @@
         -webkit-appearance: none;
       }
       text-align: center;
+      line-height: 1;
     }
   }