diff --git a/src/assets/css/components/views/setting/knowledgeBase.scss b/src/assets/css/components/views/setting/knowledgeBase.scss
index 351759fe..d5f3d62f 100644
--- a/src/assets/css/components/views/setting/knowledgeBase.scss
+++ b/src/assets/css/components/views/setting/knowledgeBase.scss
@@ -329,6 +329,9 @@
           border-right:none;
           border-bottom:none;
         }
+        .el-table--border th ,.el-table--border td {
+          border-right: none;
+        }
         .el-table {
           th {
             padding-top:6px;