diff --git a/miniprogram/pages/auto-scan/auto-scan.js b/miniprogram/pages/auto-scan/auto-scan.js
index 7c60a40..761d506 100644
--- a/miniprogram/pages/auto-scan/auto-scan.js
+++ b/miniprogram/pages/auto-scan/auto-scan.js
@@ -1,6 +1,7 @@
 var ble = require('../../services/ble')
-var SCAN_BRIGHTNESS = 128
-var SCAN_TIMEOUT = 12000
+var SCAN_TIMEOUT = 15000
+var SPECTRUM_NAMES = ['红光', '紫外光', '黄光', '红外光']
+var SPECTRUM_COUNT = 4
 
 Page({
   data: {
@@ -8,8 +9,8 @@ Page({
     scanning: true,
     scanProgress: 0,
     regions: 0x1F,
-    pdValues: [],
-    pdRaw: [],
+    spectrumIndex: 0,
+    spectrumData: [],
     vbat: 0,
     battery: 0,
     error: ''
@@ -36,41 +37,65 @@ Page({
     if (this._progressTimer) { clearInterval(this._progressTimer); this._progressTimer = null }
     if (this._timeoutTimer) { clearTimeout(this._timeoutTimer); this._timeoutTimer = null }
     if (this._onAdc) { ble.off('adc', this._onAdc); this._onAdc = null }
+    if (this._onRunState) { ble.off('run_state', this._onRunState); this._onRunState = null }
   },
 
   startScan: function () {
     var self = this
+    self._scanResults = []
 
     if (!ble.isConnected()) {
       self.setData({ scanning: false, error: '设备未连接，请先连接设备' })
       return
     }
 
-    self.setData({ scanning: true, scanProgress: 0, error: '', pdValues: [] })
+    self.setData({ scanning: true, scanProgress: 0, error: '', spectrumData: [], spectrumIndex: 0 })
 
     this._progressTimer = setInterval(function () {
-      var p = self.data.scanProgress + 1
+      var target = ((self._scanResults.length + 1) / SPECTRUM_COUNT) * 90
+      var p = self.data.scanProgress
+      if (p < target) p += 1
       if (p > 90) p = 90
       self.setData({ scanProgress: p })
-    }, 80)
+    }, 100)
 
     this._onAdc = function (data) {
-      console.log('[SCAN] 收到ADC数据:', JSON.stringify(data))
-      self._cleanup()
-      self.setData({ scanning: false, scanProgress: 100 })
-      self._handleAdcData(data)
+      if (!self.data.scanning) return
+      var idx = self._scanResults.length
+      if (idx >= SPECTRUM_COUNT) return
+
+      console.log('[SCAN] 收到第' + (idx + 1) + '组ADC (' + SPECTRUM_NAMES[idx] + '):', data.pd)
+      self._scanResults.push({
+        spectrum: SPECTRUM_NAMES[idx],
+        pd: data.pd.slice(0),
+        vbat: data.vbat,
+        battery: data.battery
+      })
+      self.setData({ spectrumIndex: idx + 1 })
+
+      if (self._scanResults.length >= SPECTRUM_COUNT) {
+        self._scanComplete()
+      }
     }
     ble.on('adc', this._onAdc)
 
-    console.log('[SCAN] 下发扫描指令: 全域亮度', SCAN_BRIGHTNESS)
+    this._onRunState = function (data) {
+      if (data.run_state === 0x00 && self._scanResults.length > 0 && self.data.scanning) {
+        console.log('[SCAN] 设备进入IDLE，扫描结束')
+        self._scanComplete()
+      }
+    }
+    ble.on('run_state', this._onRunState)
+
+    console.log('[SCAN] 下发扫描指令，等待固件序贯扫描 R→UV→Y→IR')
     ble.setParams({
-      region_mask: 0x1F,
+      region_mask: self.data.regions,
       wavelength: 2,
-      brightness: SCAN_BRIGHTNESS,
+      brightness: 128,
       hold_time: 10,
       control: 0x01
     }).then(function () {
-      console.log('[SCAN] 扫描指令发送成功，等待ADC回传...')
+      console.log('[SCAN] 扫描指令发送成功')
     }).catch(function (err) {
       console.error('[SCAN] 扫描指令发送失败:', err)
       self._cleanup()
@@ -79,35 +104,45 @@ Page({
 
     this._timeoutTimer = setTimeout(function () {
       if (!self.data.scanning) return
-      console.log('[SCAN] 等待ADC超时，使用默认值')
-      self._cleanup()
-      self.setData({ scanning: false, scanProgress: 100 })
-      self._handleAdcData(null)
+      console.log('[SCAN] 超时，已收到' + self._scanResults.length + '组数据')
+      self._scanComplete()
     }, SCAN_TIMEOUT)
   },
 
-  _handleAdcData: function (data) {
-    var regionNames = ['右区(IO1)', '左区(IO2)', '上区(IO3)', '中区(IO4)', '下区(IO5)']
-    var pdValues = []
+  _scanComplete: function () {
+    this._cleanup()
+    this.setData({ scanning: false, scanProgress: 100 })
+    this._buildDisplay()
+  },
 
-    if (data && data.pd && data.pd.length >= 7) {
-      this.setData({ pdRaw: data.pd, vbat: data.vbat || 0, battery: data.battery || 0 })
-      for (var i = 0; i < 5; i++) {
-        var barW = Math.min(100, Math.round(data.pd[i] / 40.95))
-        pdValues.push({ region: regionNames[i], pd: data.pd[i], pdText: String(data.pd[i]), barWidth: barW })
-      }
-      pdValues.push({ region: 'PD6', pd: data.pd[5], pdText: String(data.pd[5]), barWidth: Math.min(100, Math.round(data.pd[5] / 40.95)) })
-      pdValues.push({ region: 'PD7', pd: data.pd[6], pdText: String(data.pd[6]), barWidth: Math.min(100, Math.round(data.pd[6] / 40.95)) })
+  _buildDisplay: function () {
+    var results = this._scanResults || []
+    var spectrumData = []
 
-      getApp().globalData.lastScanPd = data.pd
-      getApp().globalData.lastScanVbat = data.vbat
-    } else {
-      for (var j = 0; j < 5; j++) {
-        pdValues.push({ region: regionNames[j], pd: 0, pdText: '未采集', barWidth: 0 })
+    for (var s = 0; s < results.length; s++) {
+      var r = results[s]
+      var items = []
+      for (var i = 0; i < 7; i++) {
+        var val = r.pd[i] || 0
+        items.push({
+          label: 'PD' + (i + 1),
+          value: val,
+          barWidth: Math.min(100, Math.round(val / 40.95))
+        })
       }
+      spectrumData.push({ name: r.spectrum, items: items })
     }
 
-    this.setData({ pdValues: pdValues })
+    if (results.length > 0) {
+      var last = results[results.length - 1]
+      this.setData({
+        vbat: last.vbat || 0,
+        battery: last.battery || 0
+      })
+    }
+
+    getApp().globalData.lastScanData = results
+    this.setData({ spectrumData: spectrumData })
   },
 
   onUnload: function () {
@@ -117,10 +152,10 @@ Page({
 
   onNext: function () {
     var mask = this.data.regions || 0x1F
-    var pdRaw = this.data.pdRaw
-    var pdParam = pdRaw.length > 0 ? '&pd=' + encodeURIComponent(JSON.stringify(pdRaw)) : ''
+    var scanData = this._scanResults || []
+    var param = scanData.length > 0 ? '&scan=' + encodeURIComponent(JSON.stringify(scanData)) : ''
     wx.redirectTo({
-      url: '/pages/treatment-setup/treatment-setup?regions=' + mask + pdParam
+      url: '/pages/treatment-setup/treatment-setup?regions=' + mask + param
     })
   }
 })
diff --git a/miniprogram/pages/auto-scan/auto-scan.wxml b/miniprogram/pages/auto-scan/auto-scan.wxml
index 5a3937e..3965bf4 100644
--- a/miniprogram/pages/auto-scan/auto-scan.wxml
+++ b/miniprogram/pages/auto-scan/auto-scan.wxml
@@ -1,8 +1,8 @@
 <view class="page">
   <view class="page-header page-header-pink" style="padding-top: {{statusBarHeight + 24}}px;">
     <view class="nav-back" bindtap="onBack">‹ 返回</view>
-    <view class="page-header-title">区域扫描</view>
-    <view class="page-header-subtitle">{{scanning ? '正在采集数据...' : '扫描完成'}}</view>
+    <view class="page-header-title">多光谱扫描</view>
+    <view class="page-header-subtitle">{{scanning ? '正在采集数据 (' + spectrumIndex + '/4)...' : '扫描完成'}}</view>
   </view>
 
   <view class="page-content">
@@ -13,17 +13,19 @@
       <view class="scan-progress-bar">
         <view class="scan-progress-fill" style="width: {{scanProgress}}%"></view>
       </view>
-      <view class="scan-status">全域LED已开启，亮度 128，等待PD数据回传...</view>
+      <view class="scan-status">固件序贯扫描中：红光 → 紫外光 → 黄光 → 红外光</view>
     </view>
 
-    <view class="scan-result" wx:if="{{!scanning && pdValues.length > 0}}">
-      <view class="result-title">PD 采集结果</view>
-      <view class="pd-list">
-        <view class="pd-item" wx:for="{{pdValues}}" wx:key="region">
-          <view class="pd-region">{{item.region}}</view>
-          <view class="pd-value {{item.pd > 0 ? '' : 'pd-empty'}}">{{item.pdText}}</view>
-          <view class="pd-bar-bg" wx:if="{{item.pd > 0}}">
-            <view class="pd-bar-fill" style="width: {{item.barWidth}}%"></view>
+    <view class="scan-result" wx:if="{{!scanning && spectrumData.length > 0}}">
+      <view class="spectrum-group" wx:for="{{spectrumData}}" wx:key="name">
+        <view class="spectrum-title">{{item.name}} (第{{index + 1}}组)</view>
+        <view class="pd-list">
+          <view class="pd-item" wx:for="{{item.items}}" wx:for-item="pd" wx:key="label">
+            <view class="pd-region">{{pd.label}}</view>
+            <view class="pd-value">{{pd.value}}</view>
+            <view class="pd-bar-bg" wx:if="{{pd.value > 0}}">
+              <view class="pd-bar-fill" style="width: {{pd.barWidth}}%"></view>
+            </view>
           </view>
         </view>
       </view>
@@ -32,6 +34,10 @@
       </view>
     </view>
 
+    <view class="scan-result" wx:if="{{!scanning && spectrumData.length === 0 && !error}}">
+      <view class="empty-hint">未收到扫描数据</view>
+    </view>
+
     <view class="scan-error" wx:if="{{!scanning && error}}">{{error}}</view>
 
     <button class="btn-primary mt-30" wx:if="{{!scanning}}" bindtap="onNext">下一步</button>
diff --git a/miniprogram/pages/auto-scan/auto-scan.wxss b/miniprogram/pages/auto-scan/auto-scan.wxss
index 9ec41f5..7efd9bd 100644
--- a/miniprogram/pages/auto-scan/auto-scan.wxss
+++ b/miniprogram/pages/auto-scan/auto-scan.wxss
@@ -121,6 +121,30 @@
   text-align: center;
 }
 
+.spectrum-group {
+  margin-bottom: 24rpx;
+}
+
+.spectrum-group:last-child {
+  margin-bottom: 0;
+}
+
+.spectrum-title {
+  font-size: 26rpx;
+  font-weight: 600;
+  color: #E6508C;
+  margin-bottom: 12rpx;
+  padding-bottom: 8rpx;
+  border-bottom: 2rpx solid #fdf2f8;
+}
+
+.empty-hint {
+  text-align: center;
+  color: #999;
+  font-size: 26rpx;
+  padding: 40rpx 0;
+}
+
 .scan-error {
   text-align: center;
   color: #ff4d4f;