diff --git a/src/style/cpns/clip-item-list.less b/src/style/cpns/clip-item-list.less
index bf5a833..58c3913 100644
--- a/src/style/cpns/clip-item-list.less
+++ b/src/style/cpns/clip-item-list.less
@@ -9,7 +9,6 @@
     border-width: 1px 0px 0px 0px;
     border-color: @text-bg-color-lighter @bg-color @bg-color @bg-color;
     cursor: pointer;
-    transition: all 0.15s;
     &.active {
       border-style: hidden hidden hidden solid;
       border-width: 1px 0px 0px 6px;