diff --git a/pages/basics/BluetoothDebugging/B13page/B13page.js b/pages/basics/BluetoothDebugging/B13page/B13page.js
index 7c849db..75d783f 100644
--- a/pages/basics/BluetoothDebugging/B13page/B13page.js
+++ b/pages/basics/BluetoothDebugging/B13page/B13page.js
@@ -843,13 +843,31 @@ Page({
   // 开始OTA升级（命令0x0B, P0=0x01）
   onStartOta() {
     try {
-      const pkt = buildCommand(COMMANDS.OTA_START, [0x01])
-      this.appendLog('TX', `OTA开始: ${this.toHex(pkt)}`)
-      // 通过统一发送函数发送包（会检查连接并发现通道）
-      this.transmitPacket(pkt, 'OTA开始')
-      wx.showToast({ title: '已发送OTA开始', icon: 'success' })
+      if (!this.data.isConnected) { wx.showToast({ title: '未连接设备', icon: 'none' }); return }
+      wx.showModal({
+        title: '确认发送',
+        content: '确定要发送 OTA 升级命令吗？',
+        confirmText: '发送',
+        cancelText: '取消',
+        success: (res) => {
+          if (res && res.confirm) {
+            try {
+              const pkt = buildCommand(COMMANDS.OTA_START, [0x01])
+              this.appendLog('TX', `OTA开始: ${this.toHex(pkt)}`)
+              // 通过统一发送函数发送包（会检查连接并发现通道）
+              this.transmitPacket(pkt, 'OTA开始')
+              wx.showToast({ title: '已发送OTA开始', icon: 'success' })
+            } catch (err) {
+              wx.showToast({ title: '构包失败', icon: 'none' })
+            }
+          } else {
+            this.appendLog('UI', '用户取消 OTA 发送')
+          }
+        },
+        fail: () => { this.appendLog('WARN', 'showModal 调用失败，取消 OTA 发送') }
+      })
     } catch (err) {
-      wx.showToast({ title: '构包失败', icon: 'none' })
+      wx.showToast({ title: '操作异常', icon: 'none' })
     }
   },
 
diff --git a/pages/basics/BluetoothDebugging/B13page/B13page.wxml b/pages/basics/BluetoothDebugging/B13page/B13page.wxml
index 7e866b9..44d3ee7 100644
--- a/pages/basics/BluetoothDebugging/B13page/B13page.wxml
+++ b/pages/basics/BluetoothDebugging/B13page/B13page.wxml
@@ -475,7 +475,7 @@
             <text>2. 打开已下载并安装的 OTA 升级工具。</text>
           </view>
           <view class="tucontainer">
-            <text>3. 手机蓝牙扫描并连接名称为：<text class="bold-text">“OTAOTA_OTAOTA_OTA”</text>的设备。</text>
+            <text>3. 手机蓝牙扫描并连接名称为：<text class="bold-text">“BLV_W13_OTAOTAOTA”</text>的设备。</text>
           </view>
           <view class="tucontainer">
             <text>4. 连接后依次点击<text class="bold-text">GETINFO</text>→<text class="bold-text">IMAGEA</text>。</text>