diff --git a/docs/component/common.md b/docs/component/common.md
index a38a6da36f1398e44a5b2345e50d79c5bdf16856..8bca567a9ff6f063176969ebaf7dd65f5e1f5701 100644
--- a/docs/component/common.md
+++ b/docs/component/common.md
@@ -93,7 +93,7 @@ App端手指按下后在组件区域内移动不会取消tap/click事件的触
 
   <style>
     .transition-transform {
-      transition-duration: 2000;
+      transition-duration: 2000ms;
       transition-property: transform;
       transform: rotate(0deg);
     }