diff --git a/ruoyi-admin/src/main/resources/static/ajax/libs/bootstrap-table/extensions/columns/bootstrap-table-fixed-columns.js b/ruoyi-admin/src/main/resources/static/ajax/libs/bootstrap-table/extensions/columns/bootstrap-table-fixed-columns.js
index 6861d5ff7..4a22bd69f 100644
--- a/ruoyi-admin/src/main/resources/static/ajax/libs/bootstrap-table/extensions/columns/bootstrap-table-fixed-columns.js
+++ b/ruoyi-admin/src/main/resources/static/ajax/libs/bootstrap-table/extensions/columns/bootstrap-table-fixed-columns.js
@@ -216,7 +216,7 @@
 
             this.$fixedBody.css({
                 width: this.$fixedHeader.width(),
-                height: height,
+                height: height - 12,
                 top: top + 1
             }).show();