diff --git a/packages/theme-chalk/src/tabs.scss b/packages/theme-chalk/src/tabs.scss
index dc17310171..b6293c598e 100644
--- a/packages/theme-chalk/src/tabs.scss
+++ b/packages/theme-chalk/src/tabs.scss
@@ -83,6 +83,8 @@
     line-height: 44px;
     font-size: 12px;
     color: getCssVar('text-color', 'secondary');
+    width: 20px;
+    text-align: center;
   }
   @include e(nav-next) {
     right: 0;