diff --git a/packages/omip/my-app/src/components/my-counter/index.js b/packages/omip/my-app/src/components/my-counter/index.js
index 4e2b786ed..4e114cc80 100644
--- a/packages/omip/my-app/src/components/my-counter/index.js
+++ b/packages/omip/my-app/src/components/my-counter/index.js
@@ -2,7 +2,6 @@
 import { WeElement, define } from 'omi'
 import '../my-element'
 
-//兼容 omi 下划线？
 import './index.css'
 
 define('my-counter', class extends WeElement {
@@ -16,11 +15,13 @@ define('my-counter', class extends WeElement {
 
   sub = () => {
     this.data.count--
+    this.fire('change', this.data.count)
     this.update()
   }
 
   add = () => {
     this.data.count++
+    this.fire('change', this.data.count)
     this.update()
   }
 
diff --git a/packages/omip/my-app/src/libs/omip/index.js b/packages/omip/my-app/src/libs/omip/index.js
index 5321207fb..77e92db2f 100644
--- a/packages/omip/my-app/src/libs/omip/index.js
+++ b/packages/omip/my-app/src/libs/omip/index.js
@@ -10,6 +10,10 @@ class Component {
   }
 
   install() { }
+
+  fire(type, data) { 
+    this._weappRef.triggerEvent(type, data)
+  }
 }
 
 const WeElement = Component
diff --git a/packages/omip/my-app/src/pages/logs/index.js b/packages/omip/my-app/src/pages/logs/index.js
index 51a67c6d8..ee3c5767f 100644
--- a/packages/omip/my-app/src/pages/logs/index.js
+++ b/packages/omip/my-app/src/pages/logs/index.js
@@ -1,7 +1,7 @@
 import util from '../../utils/util'
 import { WeElement, define } from 'omi'
 import '../../components/my-counter'
-//兼容 omi 下划线？
+
 import './index.css'
 
 define('page-logs', class extends WeElement {
@@ -15,12 +15,16 @@ define('page-logs', class extends WeElement {
     })
 
     this.update()
-
   }
+
+  counterChange = (evt)=> {
+    console.log(evt.detail)
+  }
+
   render() {
     return (
       <view>
-        <my-counter></my-counter>
+        <my-counter onChange={this.counterChange}></my-counter>
         <view class="container log-list">
           {this.data.logs.map((log, index) => (
             <text class="log-item">{index + 1}. {log}</text>