diff --git a/changelog.md b/changelog.md
index fd73197772..ebfefcf1e6 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,7 @@
 # 更新日志
 2.0(2019-10)
+- 修改了下拉树展开图标模糊的问题
+- 修复了下拉树搜索高亮字符与正常字符间存在间距的问题
 - 复选下拉系列的计数器从trigger中拆分, 作为独立的部分
 
 2.0(2019-09)
diff --git a/src/less/base/tree/ztree.less b/src/less/base/tree/ztree.less
index 195bd8d196..0b9cde391e 100644
--- a/src/less/base/tree/ztree.less
+++ b/src/less/base/tree/ztree.less
@@ -84,6 +84,7 @@
 .ztree li span {
   line-height: 24px;
   margin-right: 2px;
+  // fix: 标红字符与正常字符存在间距
   &.bi-keyword-red-mark {
     margin-right: 0px;
   }