diff --git a/src/main/resources/static/component/pear/css/pear-module/dtree/dtree.css b/src/main/resources/static/component/pear/css/pear-module/dtree/dtree.css
index ca53ffc77b91fa4bdb331a80f03946870327d1cf..9cb02cc3d03b69f435bbe628c81ed0a0e0be12f5 100644
--- a/src/main/resources/static/component/pear/css/pear-module/dtree/dtree.css
+++ b/src/main/resources/static/component/pear/css/pear-module/dtree/dtree.css
@@ -100,7 +100,7 @@
 
 /** 下拉树属性*/
 .dtree-select{position: absolute;max-height: 500px;height: 350px;overflow: auto;width: 99%;z-index: 123;display: none;border:1px solid silver;top: 42px;}
-.dtree-select-show{display: block!important;}
+.dtree-select-show{display: block!important; z-index: 900;}
 
 /* 简单适配*/
 @media screen and (max-width:1700px) and (min-width:1300px){