diff --git a/packages/theme-saas/src/grid/table.less b/packages/theme-saas/src/grid/table.less
index f9a59588ce..936507103f 100644
--- a/packages/theme-saas/src/grid/table.less
+++ b/packages/theme-saas/src/grid/table.less
@@ -707,7 +707,7 @@
     @apply left-0;
     @apply ~'w-0.5';
     @apply h-full;
-    @apply ~'z-[4]';
+    @apply ~'z-[21]';
 
     &:before {
       @apply content-[''];
diff --git a/packages/theme/src/grid/table.less b/packages/theme/src/grid/table.less
index 1beaf1c75f..6bba9a08cb 100644
--- a/packages/theme/src/grid/table.less
+++ b/packages/theme/src/grid/table.less
@@ -638,7 +638,7 @@
     left: 0;
     width: 1px;
     height: 100%;
-    z-index: 4;
+    z-index: 21;
 
     &:before {
       content: '';