diff --git a/public/assets/css/backend.css b/public/assets/css/backend.css
index 8956335dad43e08d1e0450311b2692de90e16ea0..32a107217a6ff9e659365772cc9330044e7d7724 100644
--- a/public/assets/css/backend.css
+++ b/public/assets/css/backend.css
@@ -590,9 +590,10 @@ form.form-horizontal .control-label {
 #treeview .jstree-themeicon {
   display: none;
 }
-/*去除bootstrap-table的边框*/
+/*去除bootstrap-table的边框,表格滚动条遮挡弹窗*/
 .fixed-table-container {
   border: none !important;
+  z-index: 0;
 }
 /*修复nice-validator新版下的一处BUG*/
 .nice-validator input,