diff --git a/miniprogram/pages/index/index.wxml b/miniprogram/pages/index/index.wxml
index 2827dd6..8865c76 100644
--- a/miniprogram/pages/index/index.wxml
+++ b/miniprogram/pages/index/index.wxml
@@ -93,6 +93,7 @@
 </view>
 <view class="bottom-btn-box">
     <toy-button
+        openType="share"
         type="green"
         flat="{{true}}"
         bind:click="onShareAppMessage"
diff --git a/miniprogram/ui/button/button.ts b/miniprogram/ui/button/button.ts
index 353da81..d161e1b 100644
--- a/miniprogram/ui/button/button.ts
+++ b/miniprogram/ui/button/button.ts
@@ -10,6 +10,10 @@ Component({
             type: String,
             value: 'default', // primary, green, white
         },
+        openType: {
+            type: String,
+            value: '',
+        },
         plain: {
             type: Boolean,
             value: false, // 是否朴素按钮
diff --git a/miniprogram/ui/button/button.wxml b/miniprogram/ui/button/button.wxml
index c3a190a..007eb59 100644
--- a/miniprogram/ui/button/button.wxml
+++ b/miniprogram/ui/button/button.wxml
@@ -9,6 +9,7 @@
     data-loading="{{loading}}"
     style="{{style}};{{width ? 'width:' + width + ';' : ''}};{{height ? 'height:' + height + ';' : ''}}"
     session-from="{{ sessionFrom }}"
+    open-type="{{ disabled || loading ? '' : openType }}"
     send-message-title="{{ sendMessageTitle }}"
     send-message-path="{{ sendMessagePath }}"
     send-message-img="{{ sendMessageImg }}"
@@ -37,7 +38,6 @@
     <block wx:else>
         <van-icon
             wx:if="{{ icon }}"
-            size="1.2em"
             name="{{ icon }}"
             size="{{ iconSize }}"
             color="{{ wxs.getIconColor(iconColor, type, plain, disabled) }}"