diff --git a/packages/design/src/components/tooltip/Tooltip.tsx b/packages/design/src/components/tooltip/Tooltip.tsx
index 635ab7fbb2d..00bc36d3a43 100644
--- a/packages/design/src/components/tooltip/Tooltip.tsx
+++ b/packages/design/src/components/tooltip/Tooltip.tsx
@@ -52,7 +52,6 @@ export const Tooltip = forwardRef((props: ITooltipProps, ref: Ref<TooltipRef>) =
             builtinPlacements={placements}
             placement={placement}
             mouseEnterDelay={0.2}
-            mouseLeaveDelay={0}
             showArrow
             destroyTooltipOnHide
             onVisibleChange={onVisibleChange}
diff --git a/packages/design/src/components/tooltip/index.module.less b/packages/design/src/components/tooltip/index.module.less
index 2aa0bb43656..d5aeaf3fefe 100644
--- a/packages/design/src/components/tooltip/index.module.less
+++ b/packages/design/src/components/tooltip/index.module.less
@@ -5,6 +5,7 @@
 .tooltip {
     position: absolute;
     z-index: 1080;
+    pointer-events: none;
 
     display: block;
 
diff --git a/packages/ui/src/views/components/sidebar/index.module.less b/packages/ui/src/views/components/sidebar/index.module.less
index 8b0ba820455..8fba3fcca9e 100644
--- a/packages/ui/src/views/components/sidebar/index.module.less
+++ b/packages/ui/src/views/components/sidebar/index.module.less
@@ -46,6 +46,7 @@
         font-weight: 500;
 
         background: rgb(var(--bg-color-secondary));
+        z-index: 10;
 
         &-close {
             cursor: pointer;