diff --git a/apps/miniprogram/native/pkg-veepoo/index.js b/apps/miniprogram/native/pkg-veepoo/index.js
index e77b548..b65e15c 100644
--- a/apps/miniprogram/native/pkg-veepoo/index.js
+++ b/apps/miniprogram/native/pkg-veepoo/index.js
@@ -174,11 +174,16 @@ Page({
     console.log('[veepoo-native] 连接设备:', device.deviceId || device.mac);
     var self = this;
 
+    // 关键修复：在连接前注册数据监听器
+    // SDK 的 veepooWeiXinSDKNotifyMonitorValueChange 内部封装 wx.onBLECharacteristicValueChange
+    // 必须在连接 + 订阅特征值之前注册，否则会丢失认证响应（type=1）
+    self._registerListeners();
+
     veepooBle.veepooWeiXinSDKBleConnectionServicesCharacteristicsNotifyManager(device, function (result) {
       // eslint-disable-next-line no-undef
       console.log('[veepoo-native] 连接回调:', JSON.stringify(result));
 
-      // C4 修复：按官方 Demo 检查 connection:true，同时兼容 errno:0
+      // 按官方 Demo 检查 connection:true，同时兼容 errno:0 / errCode:0
       if (result.connection === true || result.errno === 0 || result.errCode === 0) {
         self._connected = true;
         self._connecting = false;
@@ -186,8 +191,7 @@ Page({
           deviceId: device.deviceId || device.mac || '',
         });
 
-        self._registerListeners();
-
+        // 连接成功后延迟 500ms 发送认证指令（等待特征值订阅就绪）
         // eslint-disable-next-line no-undef
         setTimeout(function () {
           veepooFeature.veepooBlePasswordCheckManager();
@@ -196,6 +200,7 @@ Page({
           console.log('[veepoo-native] 认证指令已发送');
         }, 500);
 
+        // 双重检测认证结果：事件监听器（type=1）+ Storage 轮询兜底
         self._authTimer = setInterval(function () {
           try {
             // eslint-disable-next-line no-undef
@@ -213,6 +218,8 @@ Page({
             clearInterval(self._authTimer);
             self._authTimer = null;
             self._connecting = false;
+            // eslint-disable-next-line no-undef
+            console.error('[veepoo-native] 认证超时，deviceChipStatus=', wx.getStorageSync('deviceChipStatus'));
             self.setData({ phase: 'error', error: '设备认证超时，请重新连接' });
           }
         }, 8000);
@@ -250,6 +257,8 @@ Page({
   _handleSdkEvent: function (data) {
     if (!data || data.type === undefined) return;
     var type = data.type;
+    // eslint-disable-next-line no-undef
+    console.log('[veepoo-native] SDK 事件: type=' + type, JSON.stringify(data).substring(0, 300));
 
     if (type === SDK_EVENT_AUTH) {
       var password = (data.content || {}).VPDevicepassword;