diff --git a/src/mixins/share.js b/src/mixins/share.js
new file mode 100644
index 0000000..fbca792
--- /dev/null
+++ b/src/mixins/share.js
@@ -0,0 +1,35 @@
+import config from '@/config.js'
+
+const SHARE_HOME = '/pages/login'
+const SHARE_TITLES = {
+  'intc-invest-app': '智聪记账管理平台',
+  'intc-health-app': '暖康档案管理平台'
+}
+
+function getShareTitle() {
+  return SHARE_TITLES[config.appInfo?.name] || config.appInfo?.name || '智聪管理平台'
+}
+
+function showShareMenu() {
+  // #ifdef MP-WEIXIN
+  uni.showShareMenu({
+    withShareTicket: true,
+    menus: ['shareAppMessage']
+  })
+  // #endif
+}
+
+export default {
+  onLoad() {
+    showShareMenu()
+  },
+  onShow() {
+    showShareMenu()
+  },
+  onShareAppMessage() {
+    return {
+      title: getShareTitle(),
+      path: SHARE_HOME
+    }
+  }
+}
diff --git a/src/pages_mine/pages/about/index.vue b/src/pages_mine/pages/about/index.vue
index 528765b..48c8c36 100644
--- a/src/pages_mine/pages/about/index.vue
+++ b/src/pages_mine/pages/about/index.vue
@@ -36,7 +36,23 @@ import { computed } from 'vue'
 import config from '@/config.js'
 
 const url = config.appInfo.site_url
-const version = config.appInfo.version
+// 动态获取版本号
+// - 微信小程序：优先读取小程序后台提交发布时填写的版本号，为空时回退到 config
+//   注：在微信开发者工具中调用时 miniProgram.version 通常为空字符串，
+//       只有体验版/正式版发布后才有真实值
+// - 其他端（H5/APP）：使用 config 中的版本号
+let version = config.appInfo.version
+// #ifdef MP-WEIXIN
+try {
+  const accountInfo = uni.getAccountInfoSync()
+  const mpVersion = accountInfo && accountInfo.miniProgram && accountInfo.miniProgram.version
+  if (mpVersion) {
+    version = mpVersion
+  }
+} catch (e) {
+  console.warn('getAccountInfoSync 调用失败，使用 config 中的版本号:', e)
+}
+// #endif
 // 动态显示当前年份
 const currentYear = new Date().getFullYear()