diff --git a/packages/istanbul-widget/README.md b/packages/istanbul-widget/README.md
index 8edb2d6..4e8f97a 100644
--- a/packages/istanbul-widget/README.md
+++ b/packages/istanbul-widget/README.md
@@ -17,9 +17,10 @@ import { IstanbulWidget } from 'istanbul-widget'
 
 const istanbulWidget = new IstanbulWidget({
   report: {
-    onAction: async (coverage) => {
-      console.log('上报', coverage)
+    onAction: async (coverage, config) => {
+      console.log('上报', coverage, config)
       // 在这里你可以调用上报接口
+      // 如果接口报错，请在此抛出错误: throw new Error("你的错误信息")
     },
   },
 })
@@ -37,6 +38,23 @@ interface IstanbulWidgetOptions {
    * 挂载DOM，默认挂载到 body 上
    */
   target?: string | HTMLElement
+  /**
+   * 按钮悬浮
+   */
+  float?: {
+    offsetX?: number
+  }
+  /**
+   * 按钮默认位置
+   * @default
+   * ```js
+   * { x: 0, y: 0 }
+   * ```
+   */
+  defaultPosition?: {
+    x?: number
+    y?: number
+  }
   /**
    * 插件就绪时回调
    */
@@ -48,15 +66,15 @@ interface IstanbulWidgetOptions {
     /**
      * 上报前触发
      */
-    beforeAction?: () => Promise<void> | void
+    beforeAction?: (coverage: any, config: Config) => Promise<void> | void
     /**
      * 上报方法
      */
-    onAction: (coverage: any) => Promise<void> | void
+    onAction: (coverage: any, config: Config) => Promise<void> | void
     /**
      * 上报后触发
      */
-    afterAction?: () => Promise<void> | void
+    afterAction?: (coverage: any, config: Config) => Promise<void> | void
     /**
      * 自动上报
      */
@@ -64,20 +82,24 @@ interface IstanbulWidgetOptions {
       | {
           /**
            * 自动上报间隔
+           * @default 60
            */
           interval?: number
           /**
            * 最小间隔时间
+           * @default 60
            */
           minInterval?: number
         }
       | boolean
     /**
      * 离开页面时是否提交一次上报
+     * @default true
      */
     onLeavePage?: boolean
     /**
      * 是否需要填写上报人
+     * @default false
      */
     requireReporter?: boolean
   }