fix: 添加调试日志。

src/pages/mixer/mixer.vue

@@ -138,6 +138,30 @@
       </view>
     </view>
 
+    <!-- 🔧 调试日志面板 -->
+    <view v-if="showDebugPanel" class="debug-panel">
+      <view class="debug-header">
+        <text class="debug-title">🐛 调试日志</text>
+        <view class="debug-actions">
+          <text class="debug-action" @click="clearDebugLogs">清空</text>
+          <text class="debug-action" @click="toggleDebugPanel">关闭</text>
+        </view>
+      </view>
+      <scroll-view class="debug-content" scroll-y="true">
+        <view v-for="(log, index) in debugLogs" :key="index" :class="['debug-log-item', log.type]">
+          <text class="debug-time">{{ log.time }}</text>
+          <text class="debug-message">{{ log.message }}</text>
+        </view>
+        <view v-if="debugLogs.length === 0" class="debug-empty">
+          <text>暂无日志</text>
+        </view>
+      </scroll-view>
+    </view>
+
+    <!-- 🔧 调试按钮 (悬浮在右下角) -->
+    <view class="debug-toggle-btn" @click="toggleDebugPanel">
+      <text class="debug-btn-text">{{ showDebugPanel ? '隐藏' : '调试' }}</text>
+    </view>
 
   </view>
 </template>
@@ -186,6 +210,11 @@ const hasRegisteredListener = ref(false)
 // 数据接收缓冲区（用于处理分包数据）
 const receiveBuffer = ref('')
 
+// 🔧 调试日志面板
+const showDebugPanel = ref(false)
+const debugLogs = ref([])
+const MAX_DEBUG_LOGS = 100 // 最多保留100条日志
+
 // 通道数据
 const channels = ref([
   {
@@ -425,6 +454,41 @@ const saveChannelData = (channelId) => {
   }
 }
 
+// 🔧 调试日志工具函数
+const addDebugLog = (message, type = 'info') => {
+  const now = new Date()
+  const time = `${String(now.getHours()).padStart(2, '0')}:${String(now.getMinutes()).padStart(2, '0')}:${String(now.getSeconds()).padStart(2, '0')}`
+  
+  debugLogs.value.unshift({
+    time,
+    message,
+    type // 'info', 'success', 'error', 'warn'
+  })
+  
+  // 限制日志数量
+  if (debugLogs.value.length > MAX_DEBUG_LOGS) {
+    debugLogs.value.pop()
+  }
+  
+  // 同时输出到控制台
+  console.log(`[${time}] ${message}`)
+}
+
+// 切换调试面板显示
+const toggleDebugPanel = () => {
+  showDebugPanel.value = !showDebugPanel.value
+}
+
+// 清空调试日志
+const clearDebugLogs = () => {
+  debugLogs.value = []
+  uni.showToast({
+    title: '日志已清空',
+    icon: 'success',
+    duration: 1000
+  })
+}
+
 // 选择/取消选择通道
 const toggleChannelSelection = (channelId) => {
   const index = selectedChannels.value.indexOf(channelId)
@@ -558,13 +622,19 @@ const handleChannelStop = (channelId) => {
 const startChannel = (channelId) => {
   const channel = channels.value.find(c => c.id === channelId)
   if (channel) {
-    // ✅ 不立即修改状态，只发送命令
-    // 等待蓝牙设备反馈后，通过 onBLECharacteristicValueChange 监听器更新状态
+    // 🔧 乐观更新：立即修改本地状态，提升用户体验
+    // 如果设备反馈失败，会通过监听器自动恢复正确状态
+    const oldStatus = channel.status
+    channel.status = 'running'
+    console.log(`🚀 乐观更新: ${channel.name} ${oldStatus} -> running`)
+    addDebugLog(`🚀 ${channel.name} 启动: ${oldStatus} -> running`, 'info')
+    
+    // 发送蓝牙命令
     sendBluetoothCommand('start', channelId)
     
     // 显示发送中提示
     uni.showToast({
-      title: `${channel.name} Start Command Sent`,
+      title: `${channel.name} Starting...`,
       icon: 'none',
       duration: 1500
     })
@@ -575,13 +645,22 @@ const startChannel = (channelId) => {
 const stopChannel = (channelId) => {
   const channel = channels.value.find(c => c.id === channelId)
   if (channel) {
-    // ✅ 不立即修改状态，只发送命令
-    // 等待蓝牙设备反馈后，通过 onBLECharacteristicValueChange 监听器更新状态
+    // 🔧 乐观更新：立即修改本地状态，提升用户体验
+    // 如果设备反馈失败，会通过监听器自动恢复正确状态
+    const oldStatus = channel.status
+    channel.status = 'stopped'
+    console.log(`🛑 乐观更新: ${channel.name} ${oldStatus} -> stopped`)
+    addDebugLog(`🛑 ${channel.name} 停止: ${oldStatus} -> stopped`, 'info')
+    
+    // 停止定时器
+    stopTimer(channelId)
+    
+    // 发送蓝牙命令
     sendBluetoothCommand('stop', channelId)
     
     // 显示发送中提示
     uni.showToast({
-      title: `${channel.name} Stop Command Sent`,
+      title: `${channel.name} Stopping...`,
       icon: 'none',
       duration: 1500
     })
@@ -978,12 +1057,16 @@ const readMotorAllProperties = (showConfirm = false) => {
   const readCharId = characteristicIds.value.allProps || '0xFF06'
   
   const executeRead = () => {
+    console.log(`📥 [定时查询] 开始读取所有属性，特征值: ${readCharId}`)
+    addDebugLog(`📥 READ请求: ${readCharId}`, 'info')
+    
     uni.readBLECharacteristicValue({
       deviceId: deviceId.value,
       serviceId: serviceId.value,
       characteristicId: readCharId,
       success: (res) => {
-        console.log(`✅ Successfully read all properties from ${readCharId}`)
+        console.log(`✅ [定时查询] 读取成功，特征值: ${readCharId}`)
+        addDebugLog(`✅ READ成功: ${readCharId}`, 'success')
         if (showConfirm) {
           uni.showToast({
             title: 'Read Success',
@@ -993,7 +1076,17 @@ const readMotorAllProperties = (showConfirm = false) => {
         }
       },
       fail: (err) => {
-        console.error(`❌ Failed to read all properties from ${readCharId}:`, err)
+        console.error(`❌ [定时查询] 读取失败，特征值: ${readCharId}`, err)
+        console.error(`   错误码: ${err.errCode}, 错误信息: ${err.errMsg}`)
+        console.error(`   ⚠️ 可能原因: 设备特征值不支持 READ 操作，只支持 WRITE/NOTIFY`)
+        addDebugLog(`❌ READ失败: ${readCharId} - ${err.errMsg}`, 'error')
+        addDebugLog(`⚠️ 设备不支持READ，只支持WRITE/NOTIFY`, 'warn')
+        
+        // 🔧 即使静默模式，也在控制台输出详细错误，方便调试
+        if (!showConfirm) {
+          console.warn(`💡 提示: 定时查询失败，请检查设备特征值是否支持READ属性`)
+        }
+        
         if (showConfirm) {
           // 构建错误信息
           const errorInfo = `Device ID: ${deviceId.value}
@@ -1242,14 +1335,17 @@ const initBluetoothCommunication = () => {
   uni.onBLECharacteristicValueChange((res) => {
     console.log('📡 收到蓝牙数据:', res)
     console.log('   特征值UUID:', res.characteristicId)
+    addDebugLog(`📡 收到BLE数据: ${res.characteristicId.substring(0, 8)}...`, 'info')
     
     // 根据特征值ID处理数据
     const dataView = new Uint8Array(res.value)
     const dataLength = dataView.length
     const charId = res.characteristicId
     
+    const hexData = Array.from(dataView).map(b => '0x' + b.toString(16).toUpperCase().padStart(2, '0')).join(' ')
     console.log('   数据长度:', dataLength, 'bytes')
-    console.log('   HEX:', Array.from(dataView).map(b => '0x' + b.toString(16).toUpperCase().padStart(2, '0')).join(' '))
+    console.log('   HEX:', hexData)
+    addDebugLog(`   数据[${dataLength}bytes]: ${hexData}`, 'info')
     
     // 🔧 灵活匹配特征值ID（支持16位和128位UUID）
     const matchCharacteristic = (target) => {
@@ -1264,6 +1360,7 @@ const initBluetoothCommunication = () => {
       if (matchCharacteristic(characteristicIds.value.status)) {
         // 电机状态 - 根据设备反馈更新本地状态
         console.log('📊 解析为电机状态数据')
+        addDebugLog('📊 解析: 电机状态数据', 'success')
         channels.value.forEach((channel, index) => {
           const status = dataView[index]
           const statusMap = { 0: 'stopped', 1: 'stopped', 2: 'timing', 3: 'running' }
@@ -1272,6 +1369,7 @@ const initBluetoothCommunication = () => {
           // 状态变化时才处理定时器
           if (channel.status !== newStatus) {
             console.log(`${channel.name} 状态变化: ${channel.status} -> ${newStatus}`)
+            addDebugLog(`   ${channel.name}: ${channel.status} -> ${newStatus}`, 'warn')
             
             // 如果从非定时状态变为定时状态，启动定时器
             if (newStatus === 'timing' && channel.timerMinutes > 0) {
@@ -1290,12 +1388,14 @@ const initBluetoothCommunication = () => {
       } else if (matchCharacteristic(characteristicIds.value.speed)) {
         // 电机速度 - 根据设备反馈更新本地速度
         console.log('📊 解析为电机速度数据')
+        addDebugLog('📊 解析: 电机速度数据', 'success')
         channels.value.forEach((channel, index) => {
           const speed = dataView[index]
           
           // 只在速度真正变化时才更新和保存
           if (channel.runValue !== speed) {
             console.log(`${channel.name} 速度变化: ${channel.runValue} -> ${speed}`)
+            addDebugLog(`   ${channel.name}: 速度 ${channel.runValue} -> ${speed}`, 'warn')
             channel.runValue = speed
             // 保存到本地存储
             saveChannelData(channel.id)
@@ -1304,6 +1404,7 @@ const initBluetoothCommunication = () => {
       } else if (matchCharacteristic(characteristicIds.value.direction)) {
         // 运行方向
         console.log('📊 解析为运行方向数据')
+        addDebugLog('📊 解析: 运行方向数据', 'success')
         channels.value.forEach((channel, index) => {
           const direction = dataView[index]
           console.log(`${channel.name} 方向:`, direction === 0 ? '正转' : '反转')
@@ -1311,26 +1412,33 @@ const initBluetoothCommunication = () => {
       } else {
         // 未知特征值，使用智能判断
         console.log('⚠️ 未知特征值，使用智能判断')
+        addDebugLog('⚠️ 未知特征值，智能判断中...', 'warn')
         parseMotorStatusOrSpeed(dataView)
       }
     } else if (dataLength === 12) {
       // 12字节数据，根据特征值ID区分
       if (matchCharacteristic(characteristicIds.value.timer)) {
         console.log('📊 解析为定时设置数据')
+        addDebugLog('📊 解析: 定时设置数据', 'success')
         parseMotorTimer(dataView, 'setup') // 定时设置
       } else if (matchCharacteristic(characteristicIds.value.remaining)) {
         console.log('📊 解析为剩余时间数据')
+        addDebugLog('📊 解析: 剩余时间数据', 'success')
         parseMotorTimer(dataView, 'remaining') // 剩余时间
       } else {
         console.log('⚠️ 未知特征值，使用智能判断')
+        addDebugLog('⚠️ 未知特征值(12字节)，智能判断中...', 'warn')
         parseMotorTimer(dataView, 'unknown') // 未知，智能判断
       }
     } else if (dataLength === 42) {
       // 42字节数据 - 所有属性
       console.log('📊 解析为所有属性数据')
+      addDebugLog('📊 解析: 完整属性数据(42字节)', 'success')
       parseMotorAllProperties(dataView)
     } else {
       // 其他长度数据，使用通用处理
+      console.log('⚠️ 未知数据长度:', dataLength)
+      addDebugLog(`⚠️ 未知数据长度: ${dataLength}bytes`, 'error')
       handleBluetoothData(res.value)
     }
   })
@@ -1581,9 +1689,14 @@ const stopDataQuery = () => {
 // 静默模式：不显示确认框
 const queryAllChannelsData = () => {
   if (!connected.value || isQuerying.value) {
+    const reason = !connected.value ? '蓝牙未连接' : '正在查询中'
+    console.log('⏭️ [定时查询] 跳过本次查询，原因:', reason)
+    addDebugLog(`⏭️ 跳过查询: ${reason}`, 'warn')
     return
   }
   
+  console.log('🔄 [定时查询] 开始查询所有通道数据...')
+  addDebugLog('🔄 开始定时查询设备状态', 'info')
   isQuerying.value = true
   
   // 优先查询完整属性（0xFF06），包含所有信息（不显示确认框）
@@ -1599,6 +1712,8 @@ const queryAllChannelsData = () => {
   // 查询完成后重置标志
   setTimeout(() => {
     isQuerying.value = false
+    console.log('✅ [定时查询] 查询周期结束')
+    addDebugLog('✅ 查询周期结束', 'success')
   }, 1000)
 }
 
@@ -2325,4 +2440,138 @@ page {
   }
 }
 
+// 🔧 调试日志面板样式
+.debug-panel {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  height: 300rpx;
+  background: rgba(0, 0, 0, 0.95);
+  backdrop-filter: blur(10rpx);
+  z-index: 9999;
+  display: flex;
+  flex-direction: column;
+  border-top: 2rpx solid rgba(255, 255, 255, 0.1);
+  box-shadow: 0 -8rpx 32rpx rgba(0, 0, 0, 0.3);
+}
+
+.debug-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 16rpx 24rpx;
+  background: rgba(255, 255, 255, 0.05);
+  border-bottom: 2rpx solid rgba(255, 255, 255, 0.1);
+  flex-shrink: 0;
+}
+
+.debug-title {
+  font-size: 28rpx;
+  font-weight: 700;
+  color: #fff;
+}
+
+.debug-actions {
+  display: flex;
+  gap: 24rpx;
+}
+
+.debug-action {
+  font-size: 24rpx;
+  color: #667eea;
+  padding: 8rpx 16rpx;
+  border-radius: 8rpx;
+  background: rgba(102, 126, 234, 0.2);
+  font-weight: 600;
+  cursor: pointer;
+  transition: all 0.2s;
+  
+  &:active {
+    background: rgba(102, 126, 234, 0.4);
+    transform: scale(0.95);
+  }
+}
+
+.debug-content {
+  flex: 1;
+  overflow-y: auto;
+  padding: 12rpx 24rpx;
+}
+
+.debug-log-item {
+  display: flex;
+  flex-direction: column;
+  padding: 12rpx 0;
+  border-bottom: 1rpx solid rgba(255, 255, 255, 0.05);
+  
+  &.info .debug-message {
+    color: #60a5fa;
+  }
+  
+  &.success .debug-message {
+    color: #4ade80;
+  }
+  
+  &.warn .debug-message {
+    color: #fbbf24;
+  }
+  
+  &.error .debug-message {
+    color: #f87171;
+  }
+}
+
+.debug-time {
+  font-size: 20rpx;
+  color: #9ca3af;
+  margin-bottom: 4rpx;
+  font-family: monospace;
+}
+
+.debug-message {
+  font-size: 24rpx;
+  line-height: 1.5;
+  word-break: break-all;
+  font-family: monospace;
+}
+
+.debug-empty {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: 200rpx;
+  color: #6b7280;
+  font-size: 24rpx;
+}
+
+.debug-toggle-btn {
+  position: fixed;
+  bottom: 180rpx;
+  right: 30rpx;
+  width: 100rpx;
+  height: 100rpx;
+  border-radius: 50%;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  box-shadow: 0 8rpx 24rpx rgba(102, 126, 234, 0.4);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 9998;
+  cursor: pointer;
+  transition: all 0.3s;
+  
+  &:active {
+    transform: scale(0.9);
+    box-shadow: 0 4rpx 12rpx rgba(102, 126, 234, 0.5);
+  }
+}
+
+.debug-btn-text {
+  font-size: 24rpx;
+  font-weight: 700;
+  color: #fff;
+  letter-spacing: 2rpx;
+}
+
 </style>