diff --git a/docs/components/customize/index.vue b/docs/components/customize/index.vue
index 583ee323b..5bbf2ca1e 100644
--- a/docs/components/customize/index.vue
+++ b/docs/components/customize/index.vue
@@ -47,7 +47,6 @@
 </template>
 
 <script setup>
-import { onMounted, ref } from 'vue'
 import { useData } from 'vitepress'
 
 import FeatureList from './FeatureList.vue'
@@ -94,6 +93,7 @@ const { lang } = useData()
   border-radius: 8px;
   background-color: var(--vp-c-bg-soft);
   transform: scale(1);
+  transform-origin: center bottom;
   transition: all 0.25s ease-in-out;
   cursor: pointer;
   max-width: 400px;
diff --git a/docs/en-US/guide/overlay.md b/docs/en-US/guide/overlay.md
index 018499f05..930bf24f5 100644
--- a/docs/en-US/guide/overlay.md
+++ b/docs/en-US/guide/overlay.md
@@ -189,7 +189,7 @@ Customize an overlay, then add it globally through `klinecharts.registerOverlay`
   onPressedMoving?: (event: OverlayEvent) => boolean
 
   // Hold down and drag to end the callback event, which can be defaulted
-  onPressedMoveEnd: (event: OverlayEvent) => boolean
+  onPressedMoveEnd?: (event: OverlayEvent) => boolean
 
   // Mouse move event, can be default
   onMouseEnter?: (event: OverlayEvent) => boolean
diff --git a/docs/guide/overlay.md b/docs/guide/overlay.md
index 61077b7b9..d476f81a9 100644
--- a/docs/guide/overlay.md
+++ b/docs/guide/overlay.md
@@ -189,7 +189,7 @@
   onPressedMoving?: (event: OverlayEvent) => boolean
 
   // 按住拖动结束回调事件，可缺省
-  onPressedMoveEnd: (event: OverlayEvent) => boolean
+  onPressedMoveEnd?: (event: OverlayEvent) => boolean
 
   // 鼠标移入事件，可缺省
   onMouseEnter?: (event: OverlayEvent) => boolean