diff --git a/src/Radio/RadioGroup/index.axml b/src/Radio/RadioGroup/index.axml
index 4d155fa89..7700b8dbb 100644
--- a/src/Radio/RadioGroup/index.axml
+++ b/src/Radio/RadioGroup/index.axml
@@ -7,7 +7,8 @@
   style="{{ style }}">
   <radio-group
     name="{{ name }}"
-    value="{{ mixin.value }}">
+    value="{{ mixin.value }}"
+    onChange="onChange">
     <view class="ant-radio-group-body">
       <block a:if="{{ position === 'vertical' }}">
         <block
@@ -18,11 +19,10 @@
           <list-item>
             <radio
               checked="{{ componentUtils.getChecked(index, options, mixin.value) }}"
-              data-index="{{ index }}"
               value="{{ item.value }}"
               disabled="{{ disabled || item.disabled }}"
               color="{{ item.color || color }}"
-              onChange="onChange">
+            >
               <!-- #if ALIPAY -->
               <slot
                 name="label"
@@ -47,11 +47,10 @@
           a:key="value">
           <radio
             checked="{{ componentUtils.getChecked(index, options, mixin.value) }}"
-            data-index="{{ index }}"
             value="{{ item.value }}"
             disabled="{{ disabled || item.disabled }}"
             color="{{ item.color || color }}"
-            onChange="onChange">
+          >
             <!-- #if ALIPAY -->
             <slot
               name="label"
diff --git a/src/Radio/RadioGroup/index.ts b/src/Radio/RadioGroup/index.ts
index a7222249d..c496d5e30 100644
--- a/src/Radio/RadioGroup/index.ts
+++ b/src/Radio/RadioGroup/index.ts
@@ -1,25 +1,16 @@
 import mixinValue from '../../mixins/value';
-import { Component, getValueFromProps, triggerEvent } from '../../_util/simply';
+import { Component, triggerEvent } from '../../_util/simply';
 import { RadioGroupDefaultProps } from './props';
 
 Component({
   props: RadioGroupDefaultProps,
   methods: {
-    onChange(_, e) {
-      let event;
-      /// #if ALIPAY
-      event = e;
-      /// #endif
-      /// #if WECHAT
-      event = _;
-      /// #endif
-      const index = event.currentTarget.dataset.index;
-      const options = getValueFromProps(this, 'options');
-      const value = options[index].value;
+    onChange(e) {
+      const value = e.detail.value;
       if (!this.isControlled()) {
         this.update(value);
       }
-      triggerEvent(this, 'change', value, event);
+      triggerEvent(this, 'change', value, e);
     },
   },
   mixins: [mixinValue()],