diff --git a/packages/core/src/components/freeDom.ts b/packages/core/src/components/freeDom.ts
index 8883404..f9a458b 100644
--- a/packages/core/src/components/freeDom.ts
+++ b/packages/core/src/components/freeDom.ts
@@ -232,8 +232,8 @@ const freeDom = defineComponent({
     }
 
     const onResize: ResizeFnCallback = (evt, { node, width: w, height: h, handle: axis }) => {
-      const offsetW = -(w - width.value)
-      const offsetH = -(h - height.value)
+      const offsetW = -(w - (width.value || 0))
+      const offsetH = -(h - (height.value || 0))
 
       const axisH = axis[0]
       const axisV = axis[axis.length - 1]
diff --git a/packages/core/src/hooks/use-resizable-data.ts b/packages/core/src/hooks/use-resizable-data.ts
index f45892a..5ef7b78 100644
--- a/packages/core/src/hooks/use-resizable-data.ts
+++ b/packages/core/src/hooks/use-resizable-data.ts
@@ -17,10 +17,14 @@ export function useResizableData(
     height.value = getHeight()
   })
   function getWidth() {
-    return props.w || props.modelValue.w || props.minWidth
+    return props.w
+      || props.modelValue.w
+      || (props.autoSize ? undefined : props.minWidth)
   }
   function getHeight() {
-    return props.h || props.modelValue.h || props.minHeight
+    return props.h
+      || props.modelValue.h
+      || (props.autoSize ? undefined : props.minHeight)
   }
   async function syncSize(
     fixNonMonospaced: boolean,
diff --git a/packages/examples/free-dom/basic/single.vue b/packages/examples/free-dom/basic/single.vue
index c4c2f03..ef427d6 100644
--- a/packages/examples/free-dom/basic/single.vue
+++ b/packages/examples/free-dom/basic/single.vue
@@ -1,10 +1,10 @@
 <template>
   <section>
     <FreeDom @update:model-value="pos = $event">
-      <pre>{{ pos }}</pre>
+      <div>长文本长文本长文本长文本长文本长文本长文本长文本</div>
     </FreeDom>
-    <FreeDom>
-      <div>test1</div>
+    <FreeDom :auto-size="false">
+      <div>长文本长文本长文本长文本长文本长文本长文本长文本</div>
     </FreeDom>
   </section>
 </template>
diff --git a/packages/index.md b/packages/index.md
index 9c324e8..9ce97b8 100644
--- a/packages/index.md
+++ b/packages/index.md
@@ -19,9 +19,17 @@ title: '首页'
 
 ### 属性
 
+:::info
+如果元素创建之初可以确定它的大小，可以禁用`autoSize`来优化性能
+:::
+
 | 名称 | 类型 | 必填 | 默认值 | 可选值 | 说明 |
 | ---- | ---- | ---- | ----- | ----- | --- |
-| v-model/model-value | object | ❌ | - | - | 元素的位置及尺寸
+| v-model/model-value | <Desc desc="{ x: number, y: number, w: number, h: number }">object</Desc> | ❌ | - | - | 元素的位置及尺寸
+| v-model:x/x | number | ❌ | - | - | 元素在x轴上的位置
+| v-model:y/y | number | ❌ | - | - | 元素在y轴上的位置
+| v-model:w/w | number | ❌ | - | - | 元素的宽度
+| v-model:h/h | number | ❌ | - | - | 元素的高度
 | active | boolean | ❌ | - | boolean | 手动控制元素的选中与否，仅影响样式 |
 | lock-aspect-ratio | boolean | ❌ | false | - | 缩放时是否按当前宽高比计算
 | handle | string | ❌ | - | - | 通过class或id指定允许触发拖曳的元素