diff --git a/.zed/settings.json b/.zed/settings.json
new file mode 100644
index 0000000..004eb8a
--- /dev/null
+++ b/.zed/settings.json
@@ -0,0 +1,16 @@
+// Folder-specific settings
+//
+// For a full list of overridable settings, and general information on folder-specific settings,
+// see the documentation: https://zed.dev/docs/configuring-zed#settings-files
+{
+  "lsp": {
+    "emmet-language-server": {
+      "initialization_options": {
+        "preferences": {
+          "css.intUnit": "rpx",
+          "css.floatUnitr": "rpx",
+        },
+      },
+    },
+  },
+}
diff --git a/src/components/image-merge/index.ts b/src/components/image-merge/index.ts
index 8568833..e46c449 100644
--- a/src/components/image-merge/index.ts
+++ b/src/components/image-merge/index.ts
@@ -96,7 +96,7 @@ Component({
             const canvas = res[0].node
             const ctx = canvas.getContext('2d')
 
-            Promise.all(imageList.map(item => this.getImageInfo(item.src)))
+            Promise.all(imageList.map((item) => this.getImageInfo(item.src)))
               .then((imageInfos) => {
                 const targetWidth = 750
                 const pixelRatio = wx.getWindowInfo().pixelRatio
@@ -118,15 +118,25 @@ Component({
                 let currentY = 0
                 let loadedCount = 0
 
+                // 预计算每张图片的 Y 偏移，确保顺序正确
+                const yPositions: number[] = []
+                scaledHeights.forEach((h, i) => {
+                  yPositions.push(currentY)
+                  currentY += h
+                })
+
+                loadedCount = 0
+                currentY = 0
+
                 imageInfos.forEach((info, index) => {
                   const img = canvas.createImage()
                   img.src = info.path
                   img.onload = () => {
-                    ctx.drawImage(img, 0, currentY, canvasWidth, scaledHeights[index])
+                    ctx.drawImage(img, 0, yPositions[index], canvasWidth, scaledHeights[index])
 
                     const timeText = imageList[index].time || this.formatTime(new Date())
                     const padding = 20
-                    const textY = currentY + 40
+                    const textY = yPositions[index] + 40
 
                     ctx.fillStyle = '#ffffff'
                     ctx.font = 'bold 28px sans-serif'
@@ -143,14 +153,13 @@ Component({
                     ctx.shadowOffsetY = 0
 
                     if (index === imageInfos.length - 1) {
-                      const lastImageBottom = currentY + scaledHeights[index]
+                      const lastImageBottom = yPositions[index] + scaledHeights[index]
                       ctx.fillStyle = 'rgba(255, 255, 255, 0.8)'
                       ctx.font = '24px sans-serif'
                       ctx.textAlign = 'right'
                       ctx.fillText('由-TED关爱小助手-小程序生成', canvasWidth - 20, lastImageBottom - 20)
                     }
 
-                    currentY += scaledHeights[index]
                     loadedCount++
 
                     if (loadedCount === imageInfos.length) {
diff --git a/src/pages/d_noteDetail/index.ts b/src/pages/d_noteDetail/index.ts
index 1f13165..f6d5bbb 100644
--- a/src/pages/d_noteDetail/index.ts
+++ b/src/pages/d_noteDetail/index.ts
@@ -30,16 +30,25 @@ Page({
     recordDetail: {} as RecordDetail,
     photoMap: {} as Record<string, Photo>,
 
-    // 有照片的角度分组
-    frontendPhotos: [] as Photo[],
-    backendPhotos: [] as Photo[],
-    otherPhotos: [] as Photo[],
+    // 各组是否有照片
+    hasFrontend: false,
+    hasBackend: false,
+    hasOther: false,
 
     // 角度分组
     angleGroups: {
       frontend: ['front_open', 'front_closed', 'front_looking_up'],
       backend: ['side_left_90', 'side_right_90', 'side_left_45', 'side_right_45'],
-      other: ['eye_up_left', 'eye_up', 'eye_up_right', 'eye_left', 'eye_right', 'eye_down_left', 'eye_down', 'eye_down_right'],
+      other: [
+        'eye_up_left',
+        'eye_up',
+        'eye_up_right',
+        'eye_left',
+        'eye_right',
+        'eye_down_left',
+        'eye_down',
+        'eye_down_right',
+      ],
     },
 
     // 角度名称映射
@@ -87,34 +96,36 @@ Page({
       data: {
         recordId: this.data.recordId,
       },
-    }).then((res: any) => {
-      wx.hideLoading()
-      const photoMap: Record<string, Photo> = {}
-      const photos = res.photos || []
-      photos.forEach((p: Photo) => {
-        if (p.photoUrl) {
-          photoMap[p.photoAngle] = p
-        }
+    })
+      .then((res: any) => {
+        wx.hideLoading()
+        const photoMap: Record<string, Photo> = {}
+        const photos = res.photos || []
+        photos.forEach((p: Photo) => {
+          if (p.photoUrl) {
+            photoMap[p.photoAngle] = p
+          }
+        })
+
+        // 判断各组是否有照片
+        const { frontend, backend, other } = this.data.angleGroups
+        const hasFrontend = frontend.some((angle) => photoMap[angle]?.photoUrl)
+        const hasBackend = backend.some((angle) => photoMap[angle]?.photoUrl)
+        const hasOther = other.some((angle) => photoMap[angle]?.photoUrl)
+
+        this.setData({
+          recordDetail: res,
+          photoMap,
+          hasFrontend,
+          hasBackend,
+          hasOther,
+        })
       })
-
-      // 按分组过滤有照片的角度
-      const { frontend, backend, other } = this.data.angleGroups
-      const frontendPhotos = frontend.filter(angle => photoMap[angle]).map(angle => photoMap[angle])
-      const backendPhotos = backend.filter(angle => photoMap[angle]).map(angle => photoMap[angle])
-      const otherPhotos = other.filter(angle => photoMap[angle]).map(angle => photoMap[angle])
-
-      this.setData({
-        recordDetail: res,
-        photoMap,
-        frontendPhotos,
-        backendPhotos,
-        otherPhotos,
+      .catch((err) => {
+        wx.hideLoading()
+        console.error('获取记录详情失败:', err)
+        wx.showToast({ title: '加载失败', icon: 'none' })
       })
-    }).catch((err) => {
-      wx.hideLoading()
-      console.error('获取记录详情失败:', err)
-      wx.showToast({ title: '加载失败', icon: 'none' })
-    })
   },
 
   // 返回上一页
diff --git a/src/pages/d_noteDetail/index.wxml b/src/pages/d_noteDetail/index.wxml
index c9815e7..296da3b 100644
--- a/src/pages/d_noteDetail/index.wxml
+++ b/src/pages/d_noteDetail/index.wxml
@@ -39,30 +39,30 @@
         </view>
       </view>
     </view>
-    <view class="card" wx:if="{{frontendPhotos.length > 0}}">
+    <view class="card" wx:if="{{hasFrontend}}">
       <view class="card-title">正面</view>
       <view class="card-container">
-        <view class="card-item" wx:for="{{frontendPhotos}}" wx:key="photoAngle" data-angle="{{item.photoAngle}}" bind:tap="handlePreview">
-          <image class="photo" mode="aspectFill" src="{{item.photoUrl}}"></image>
-          <view class="name">{{item.photoAngleName}}</view>
+        <view class="card-item" wx:for="{{angleGroups.frontend}}" wx:key="*this" wx:if="{{photoMap[item]}}" data-angle="{{item}}" bind:tap="handlePreview">
+          <image class="photo" mode="aspectFill" src="{{photoMap[item].photoUrl}}"></image>
+          <view class="name">{{angleNameMap[item]}}</view>
         </view>
       </view>
     </view>
-    <view class="card" wx:if="{{backendPhotos.length > 0}}">
+    <view class="card" wx:if="{{hasBackend}}">
       <view class="card-title">侧面</view>
       <view class="card-container">
-        <view class="card-item" wx:for="{{backendPhotos}}" wx:key="photoAngle" data-angle="{{item.photoAngle}}" bind:tap="handlePreview">
-          <image class="photo" mode="aspectFill" src="{{item.photoUrl}}"></image>
-          <view class="name">{{item.photoAngleName}}</view>
+        <view class="card-item" wx:for="{{angleGroups.backend}}" wx:key="*this" wx:if="{{photoMap[item]}}" data-angle="{{item}}" bind:tap="handlePreview">
+          <image class="photo" mode="aspectFill" src="{{photoMap[item].photoUrl}}"></image>
+          <view class="name">{{angleNameMap[item]}}</view>
         </view>
       </view>
     </view>
-    <view class="card" wx:if="{{otherPhotos.length > 0}}">
+    <view class="card" wx:if="{{hasOther}}">
       <view class="card-title">眼球运动八个方向</view>
       <view class="card-container">
-        <view class="card-item" wx:for="{{otherPhotos}}" wx:key="photoAngle" data-angle="{{item.photoAngle}}" bind:tap="handlePreview">
-          <image class="photo" mode="aspectFill" src="{{item.photoUrl}}"></image>
-          <view class="name">{{item.photoAngleName}}</view>
+        <view class="card-item" wx:for="{{angleGroups.other}}" wx:key="*this" wx:if="{{photoMap[item]}}" data-angle="{{item}}" bind:tap="handlePreview">
+          <image class="photo" mode="aspectFill" src="{{photoMap[item].photoUrl}}"></image>
+          <view class="name">{{angleNameMap[item]}}</view>
         </view>
       </view>
     </view>
diff --git a/src/pages/d_noteDiff/index.json b/src/pages/d_noteDiff/index.json
index 9847532..2bd40f6 100644
--- a/src/pages/d_noteDiff/index.json
+++ b/src/pages/d_noteDiff/index.json
@@ -1,5 +1,5 @@
 {
-  "navigationBarTitleText": "照片对比",
+  "navigationBarTitleText": "照片对比分析",
   "usingComponents": {
     "navbar": "/components/navbar/index",
     "van-icon": "@vant/weapp/icon/index"
diff --git a/src/pages/d_noteDiff/index.scss b/src/pages/d_noteDiff/index.scss
index 8c50427..8192933 100644
--- a/src/pages/d_noteDiff/index.scss
+++ b/src/pages/d_noteDiff/index.scss
@@ -3,7 +3,7 @@ page {
 }
 
 .page {
-  padding-bottom: 160rpx;
+  padding-bottom: calc(env(safe-area-inset-bottom) + 160rpx);
 
   .page-tip {
     padding: 24rpx 28rpx;
@@ -288,7 +288,7 @@ page {
     bottom: 0;
     left: 0;
     right: 0;
-    padding: 24rpx 40rpx 48rpx;
+    padding: 24rpx 40rpx calc(env(safe-area-inset-bottom) + 24rpx);
     background: #fff;
     box-shadow: 0 -4rpx 16rpx rgba(0, 0, 0, 0.05);
 
diff --git a/src/pages/d_noteDiff/index.ts b/src/pages/d_noteDiff/index.ts
index 9b6e2c0..ab12efa 100644
--- a/src/pages/d_noteDiff/index.ts
+++ b/src/pages/d_noteDiff/index.ts
@@ -1,4 +1,5 @@
 const app = getApp<IAppOption>()
+const licia = require('miniprogram-licia')
 
 interface ComparePhoto {
   recordId: string
@@ -14,11 +15,10 @@ interface ComparePhoto {
 interface CompareDate {
   recordId: string
   recordDate: string
+  isSelected?: boolean
 }
 
-interface ListItem extends CompareDate {
-  isBaseline: number
-}
+type BaselineItem = CompareDate | null
 
 Page({
   data: {
@@ -31,17 +31,23 @@ Page({
     angleMap: {} as Record<string, string>,
 
     // 日期选择
-    baseline: null as CompareDate | null,
+    baseline: null as unknown as BaselineItem,
     nonBaselineList: [] as CompareDate[],
     selectedDates: [] as string[],
+    baselineSelected: true,
 
     // 对比照片
     comparePhotos: [] as ComparePhoto[],
+
+    generateDate: '',
   },
 
   onLoad(option: any) {
+    const now = new Date()
+    const generateDate = `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, '0')}-${String(now.getDate()).padStart(2, '0')}`
     this.setData({
       patientId: option.patientId || '',
+      generateDate,
     })
     app.waitLogin({ type: [2] }).then(() => {
       this.getCompareAngle()
@@ -101,16 +107,17 @@ Page({
           newRecordIds.push(newBaseline.recordId)
         }
         const selectedDates = this.data.selectedDates.filter((id: string) => newRecordIds.includes(id))
+        const baselineSelected = this.data.baselineSelected
         const nonBaselineList = newList.map((item: CompareDate & { isSelected?: boolean }) => ({
           ...item,
           isSelected: selectedDates.includes(item.recordId),
         }))
         this.setData({
-          baseline: newBaseline,
+          baseline: newBaseline ? { ...newBaseline, isSelected: baselineSelected } : null,
           nonBaselineList,
           selectedDates,
         })
-        if (selectedDates.length > 0 || newBaseline) {
+        if (selectedDates.length > 0 || (newBaseline && baselineSelected)) {
           this.getComparePhotos()
         } else {
           this.setData({ comparePhotos: [] })
@@ -129,11 +136,25 @@ Page({
     this.setData({
       photoAngle: angle.key,
       photoAngleName: angle.name,
+      selectedDates: [],
+      baselineSelected: true,
       comparePhotos: [],
     })
     this.getCompareDates()
   },
 
+  // 选择基准照日期
+  onBaselineSelect() {
+    const baselineSelected = !this.data.baselineSelected
+    const baseline = this.data.baseline
+    this.setData({
+      baselineSelected,
+      baseline: baseline ? { ...baseline, isSelected: baselineSelected } : null,
+    })
+    // 获取对比照片
+    this.getComparePhotos()
+  },
+
   // 选择日期
   onDateSelect(e: any) {
     const { recordId } = e.currentTarget.dataset
@@ -142,7 +163,7 @@ Page({
     if (index > -1) {
       selectedDates.splice(index, 1)
     } else {
-      const maxSelect = this.data.baseline ? 5 : 6
+      const maxSelect = this.data.baselineSelected ? 5 : 6
       if (selectedDates.length >= maxSelect) {
         wx.showToast({ title: '最多选择6张对比图', icon: 'none' })
         return
@@ -160,13 +181,13 @@ Page({
   },
 
   // 获取对比照片
-  getComparePhotos() {
+  getComparePhotos: licia.debounce(function (this: any) {
     const { photoAngle, selectedDates, baseline } = this.data
     if (!photoAngle) {
       this.setData({ comparePhotos: [] })
       return
     }
-    const recordIds = baseline ? [baseline.recordId, ...selectedDates] : selectedDates
+    const recordIds = baseline && this.data.baselineSelected ? [baseline.recordId, ...selectedDates] : selectedDates
     if (recordIds.length === 0) {
       this.setData({ comparePhotos: [] })
       return
@@ -216,16 +237,18 @@ Page({
         console.error('获取对比照片失败:', err)
         wx.showToast({ title: '获取对比照片失败', icon: 'none' })
       })
-  },
+  }, 300),
 
   // 生成对比图
   handleEdit() {
-    if (this.data.selectedDates.length === 0) {
-      wx.showToast({ title: '请选择对比日期', icon: 'none' })
+    const { baseline, baselineSelected, selectedDates } = this.data
+    const hasBaseline = baseline && baselineSelected
+    const totalCount = selectedDates.length + (hasBaseline ? 1 : 0)
+    if (totalCount < 2) {
+      wx.showToast({ title: '请至少选择两个日期', icon: 'none' })
       return
     }
-    const { baseline, selectedDates } = this.data
-    const recordIds = baseline ? [baseline.recordId, ...selectedDates] : selectedDates
+    const recordIds = hasBaseline ? [baseline.recordId, ...selectedDates] : selectedDates
     wx.navigateTo({
       url: `/pages/d_noteDiffEdit/index?patientId=${this.data.patientId}&photoAngle=${this.data.photoAngle}&recordIds=${recordIds.join(',')}`,
     })
diff --git a/src/pages/d_noteDiff/index.wxml b/src/pages/d_noteDiff/index.wxml
index 99b0b99..440c6f7 100644
--- a/src/pages/d_noteDiff/index.wxml
+++ b/src/pages/d_noteDiff/index.wxml
@@ -22,7 +22,7 @@
     <view class="form-item">
       <view class="title">选择对比日期(可多选)</view>
       <view class="multiple">
-        <view class="item active baseline" wx:if="{{baseline}}">
+        <view class="item {{baseline.isSelected ? 'active' : ''}} baseline" wx:if="{{baseline}}" bind:tap="onBaselineSelect">
           {{baseline.recordDate}}
           <image class="icon" src="{{imageUrl}}icon169.png?t={{Timestamp}}"></image>
         </view>
@@ -39,7 +39,7 @@
   <view class="container" wx:if="{{comparePhotos.length > 0}}">
     <view class="title">
       {{photoAngleName}}时间线对比
-      <view class="date">生成日期:{{comparePhotos[0].recordDate}}</view>
+      <view class="date">生成日期:{{generateDate}}</view>
     </view>
     <view class="card" wx:for="{{comparePhotos}}" wx:key="recordId">
       <view class="aside">
diff --git a/src/pages/d_noteDiffData/index.ts b/src/pages/d_noteDiffData/index.ts
index 0827781..efaa10f 100644
--- a/src/pages/d_noteDiffData/index.ts
+++ b/src/pages/d_noteDiffData/index.ts
@@ -13,6 +13,7 @@ interface CompareItem {
 Page({
   data: {
     patientId: '',
+    patientName: '',
     dataList: [] as CompareItem[],
     loading: false,
   },
@@ -21,6 +22,7 @@ Page({
     const patientName = option.patientName || ''
     this.setData({
       patientId: option.patientId || '',
+      patientName,
     })
     if (patientName) {
       wx.setNavigationBarTitle({ title: `${patientName}的眼突度对比` })
@@ -46,19 +48,19 @@ Page({
         page: 1,
         pageSize: 1000,
       },
-    }).then((res: any) => {
-      const list: CompareItem[] = (res.list || [])
-        .slice()
-        .sort((a, b) => String(a.recordDate).localeCompare(String(b.recordDate)))
-      this.setData({
-        dataList: list,
-        loading: false,
-      })
-    }).catch((err) => {
-      console.error('获取对比数据失败:', err)
-      this.setData({ loading: false })
-      wx.showToast({ title: '获取对比数据失败', icon: 'none' })
     })
+      .then((res: any) => {
+        const list: CompareItem[] = (res.list || []).slice()
+        this.setData({
+          dataList: list,
+          loading: false,
+        })
+      })
+      .catch((err) => {
+        console.error('获取对比数据失败:', err)
+        this.setData({ loading: false })
+        wx.showToast({ title: '获取对比数据失败', icon: 'none' })
+      })
   },
 
   handleBack() {
diff --git a/src/pages/d_noteDiffData/index.wxml b/src/pages/d_noteDiffData/index.wxml
index 3ecbe39..44cec1b 100644
--- a/src/pages/d_noteDiffData/index.wxml
+++ b/src/pages/d_noteDiffData/index.wxml
@@ -1,4 +1,4 @@
-<navbar fixed title="眼突度对比" custom-style="background:{{background}}">
+<navbar fixed title="{{patientName ? patientName + '的眼突度对比' : '眼突度对比'}}" custom-style="background:{{background}}">
   <van-icon name="arrow-left" slot="left" size="18px" color="#000" bind:tap="handleBack" />
 </navbar>
 
diff --git a/src/pages/d_noteDiffEdit/index.json b/src/pages/d_noteDiffEdit/index.json
index 5b79b53..1143a0a 100644
--- a/src/pages/d_noteDiffEdit/index.json
+++ b/src/pages/d_noteDiffEdit/index.json
@@ -1,5 +1,5 @@
 {
-  "navigationBarTitleText": "对比图编辑",
+  "navigationBarTitleText": "照片对比编辑",
   "usingComponents": {
     "navbar": "/components/navbar/index",
     "imageMerge": "/components/image-merge/index",
diff --git a/src/pages/d_noteDiffEdit/index.scss b/src/pages/d_noteDiffEdit/index.scss
index 52cdf60..c19d1f4 100644
--- a/src/pages/d_noteDiffEdit/index.scss
+++ b/src/pages/d_noteDiffEdit/index.scss
@@ -4,6 +4,25 @@ page {
 
 .page {
   padding-bottom: 160rpx;
+  .page-tip {
+    padding: 24rpx 28rpx;
+    background-color: #fff7e9;
+    display: flex;
+
+    .icon {
+      margin-top: 6rpx;
+      flex-shrink: 0;
+      width: 32rpx;
+      height: 32rpx;
+    }
+
+    .content {
+      margin-left: 16rpx;
+      font-size: 28rpx;
+      color: #ffa300;
+      line-height: 44rpx;
+    }
+  }
 
   .container {
     margin: 40rpx 40rpx 0;
diff --git a/src/pages/d_noteDiffEdit/index.ts b/src/pages/d_noteDiffEdit/index.ts
index def6938..f34d445 100644
--- a/src/pages/d_noteDiffEdit/index.ts
+++ b/src/pages/d_noteDiffEdit/index.ts
@@ -20,6 +20,7 @@ Page({
     patientId: '',
     photoAngle: '',
     photoAngleName: '',
+    generateDate: '',
     recordIds: [] as string[],
     photos: [] as PhotoItem[],
     loading: false,
@@ -27,10 +28,13 @@ Page({
   },
 
   onLoad(option: any) {
+    const now = new Date()
+    const generateDate = `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, '0')}-${String(now.getDate()).padStart(2, '0')}`
     this.setData({
       patientId: option.patientId || '',
       photoAngle: option.photoAngle || '',
       recordIds: option.recordIds ? option.recordIds.split(',') : [],
+      generateDate,
     })
     // 获取角度名称
     this.getAngleName()
@@ -137,7 +141,7 @@ Page({
           success: (cropRes) => {
             photos[index].isCropped = true
             photos[index].croppedUrl = cropRes.tempFilePath
-            this.setData({ photos })
+            this.setData({ photos, mergedImage: '' })
             wx.showToast({ title: '裁剪成功', icon: 'success' })
           },
           fail: (err) => {
@@ -163,7 +167,7 @@ Page({
     const photos = this.data.photos
     photos[index].isCropped = false
     photos[index].croppedUrl = ''
-    this.setData({ photos })
+    this.setData({ photos, mergedImage: '' })
   },
 
   // 生成对比图预览
@@ -176,7 +180,9 @@ Page({
 
     const mergeComponent = this.selectComponent('#merge')
     if (mergeComponent) {
-      const imageList = photos.map((item) => {
+      // 确保基准照片排在第一位
+      const sorted = [...photos].sort((a, b) => b.isBaseline - a.isBaseline)
+      const imageList = sorted.map((item) => {
         const label =
           item.isBaseline === 1
             ? `基准照片 ${item.recordDate} 替妥尤单抗:${item.treatmentCount >= 9 ? '>8' : item.treatmentCount}次`
@@ -194,12 +200,54 @@ Page({
   handleSaveAlbum() {
     const { mergedImage } = this.data
     if (!mergedImage) {
-      this.handleMergePreview()
+      wx.showToast({ title: '请先生成对比图', icon: 'none' })
       return
     }
 
+    this.saveImageToAlbum(mergedImage)
+  },
+
+  // 保存图片到相册（带权限引导）
+  saveImageToAlbum(filePath: string) {
+    wx.getSetting({
+      success: (res) => {
+        if (
+          res.authSetting['scope.writePhotosAlbum'] != undefined &&
+          res.authSetting['scope.writePhotosAlbum'] == true
+        ) {
+          this.doSaveImage(filePath)
+        } else if (res.authSetting['scope.writePhotosAlbum'] == undefined) {
+          this.doSaveImage(filePath)
+        } else {
+          wx.showModal({
+            title: '请求授权相册权限',
+            content: '需要保存对比图到相册，请确认授权',
+            confirmColor: '#8c75d0',
+            success: (res) => {
+              if (res.cancel) {
+                wx.showToast({ title: '拒绝授权', icon: 'none' })
+              } else if (res.confirm) {
+                wx.openSetting({
+                  success: (res) => {
+                    if (res.authSetting['scope.writePhotosAlbum'] == true) {
+                      this.doSaveImage(filePath)
+                    } else {
+                      wx.showToast({ title: '授权失败', icon: 'none' })
+                    }
+                  },
+                })
+              }
+            },
+          })
+        }
+      },
+    })
+  },
+
+  // 执行保存图片
+  doSaveImage(filePath: string) {
     wx.saveImageToPhotosAlbum({
-      filePath: mergedImage,
+      filePath,
       success: () => {
         wx.showToast({ title: '保存成功', icon: 'success' })
       },
@@ -214,6 +262,11 @@ Page({
   onMergeSave(e: any) {
     const { tempFilePath } = e.detail
     this.setData({ mergedImage: tempFilePath })
+    wx.previewImage({
+      urls: [tempFilePath],
+      current: tempFilePath,
+      showmenu: true,
+    })
   },
 
   // 合并失败回调
diff --git a/src/pages/d_noteDiffEdit/index.wxml b/src/pages/d_noteDiffEdit/index.wxml
index 8a4dd61..2e70953 100644
--- a/src/pages/d_noteDiffEdit/index.wxml
+++ b/src/pages/d_noteDiffEdit/index.wxml
@@ -3,10 +3,16 @@
 </navbar>
 
 <view class="page" style="padding-top:{{pageTop+20}}px;">
+  <view class="page-tip">
+    <image class="icon" src="{{imageUrl}}icon154.png?t={{Timestamp}}"></image>
+    <view class="content">
+      本页面仅作为生成对比图的工具使用。裁剪后照片不会覆盖原图、也不会保存。
+    </view>
+  </view>
   <view class="container" wx:if="{{photos.length > 0}}">
     <view class="title">
       {{photoAngleName}}时间线对比
-      <view class="date">生成日期:{{photos[0].recordDate}}</view>
+      <view class="date">生成日期:{{generateDate}}</view>
     </view>
     <view class="card" wx:for="{{photos}}" wx:key="recordId">
       <view class="aside">
diff --git a/src/pages/d_noteList/index.ts b/src/pages/d_noteList/index.ts
index 01be786..e9b6129 100644
--- a/src/pages/d_noteList/index.ts
+++ b/src/pages/d_noteList/index.ts
@@ -45,10 +45,8 @@ Page({
 
   // 获取患者突眼记录列表
   getRecordList(reset = false) {
-    if (this.data.loading)
-      return
-    if (!reset && !this.data.hasMore)
-      return
+    if (this.data.loading) return
+    if (!reset && !this.data.hasMore) return
 
     const page = reset ? 1 : this.data.page
     this.setData({ loading: true })
@@ -61,27 +59,29 @@ Page({
         page,
         pageSize: this.data.pageSize,
       },
-    }).then((res: any) => {
-      const list = res.list || []
-      const total = res.pagination?.total || 0
-      const pages = Math.ceil(total / this.data.pageSize) || 1
+    })
+      .then((res: any) => {
+        const list = res.list || []
+        const total = res.pagination?.total || 0
+        const pages = Math.ceil(total / this.data.pageSize) || 1
 
-      this.setData({
-        recordList: reset ? list : [...this.data.recordList, ...list],
-        total,
-        page: page + 1,
-        hasMore: list.length >= this.data.pageSize,
-        loading: false,
-        pagination: {
-          count: total,
-          page,
-          pages,
-        },
+        this.setData({
+          recordList: reset ? list : [...this.data.recordList, ...list],
+          total,
+          page: page + 1,
+          hasMore: list.length >= this.data.pageSize,
+          loading: false,
+          pagination: {
+            count: total,
+            page,
+            pages,
+          },
+        })
+      })
+      .catch((err) => {
+        console.error('获取记录列表失败:', err)
+        this.setData({ loading: false })
       })
-    }).catch((err) => {
-      console.error('获取记录列表失败:', err)
-      this.setData({ loading: false })
-    })
   },
 
   // 加载更多
@@ -89,6 +89,10 @@ Page({
     this.getRecordList()
   },
 
+  onReachBottom() {
+    this.loadMore()
+  },
+
   // 查看记录详情
   handleHistory(e: any) {
     const { recordId } = e.currentTarget.dataset
diff --git a/src/patient/components/camera/index.ts b/src/patient/components/camera/index.ts
index d01c08f..366aa03 100644
--- a/src/patient/components/camera/index.ts
+++ b/src/patient/components/camera/index.ts
@@ -37,11 +37,41 @@ Component({
     type: 1,
     // 拍摄位置名称映射
     typeNameMap: {
-      1: { name: '正面睁眼', group: '正面', index: 1, total: 3, tip: '平视，目光看向镜头方向，自然睁眼，不眯眼、不瞪眼。' },
-      2: { name: '正面闭眼', group: '正面', index: 2, total: 3, tip: '正对镜头，面部居中，自然放松，双眼轻轻闭合，不皱眉、不挤眼。' },
-      3: { name: '正面仰头', group: '正面', index: 3, total: 3, tip: '拍摄时，正对镜头，面部居中，头部自然向上仰至约45°，双眼同步平视，保持自然睁眼、不眯眼。' },
-      4: { name: '左侧-90°', group: '侧面', index: 1, total: 4, tip: '身体与头部完全转向右侧，呈标准90°侧面，仅可见左侧眼睛。' },
-      5: { name: '右侧-90°', group: '侧面', index: 2, total: 4, tip: '身体与头部完全转向左侧，呈标准90°侧面，仅可见右侧眼睛。' },
+      1: {
+        name: '正面睁眼',
+        group: '正面',
+        index: 1,
+        total: 3,
+        tip: '平视，目光看向镜头方向，自然睁眼，不眯眼、不瞪眼。',
+      },
+      2: {
+        name: '正面闭眼',
+        group: '正面',
+        index: 2,
+        total: 3,
+        tip: '正对镜头，面部居中，自然放松，双眼轻轻闭合，不皱眉、不挤眼。',
+      },
+      3: {
+        name: '正面仰头',
+        group: '正面',
+        index: 3,
+        total: 3,
+        tip: '拍摄时，正对镜头，面部居中，头部自然向上仰至约45°，双眼同步平视，保持自然睁眼、不眯眼。',
+      },
+      4: {
+        name: '左侧-90°',
+        group: '侧面',
+        index: 1,
+        total: 4,
+        tip: '身体与头部完全转向右侧，呈标准90°侧面，仅可见左侧眼睛。',
+      },
+      5: {
+        name: '右侧-90°',
+        group: '侧面',
+        index: 2,
+        total: 4,
+        tip: '身体与头部完全转向左侧，呈标准90°侧面，仅可见右侧眼睛。',
+      },
       6: { name: '左侧-45°', group: '侧面', index: 3, total: 4, tip: '身体与头部转向右前方45°。' },
       7: { name: '右侧-45°', group: '侧面', index: 4, total: 4, tip: '身体与头部转向左前方45°' },
       8: { name: '左上', group: '眼球运动', index: 1, total: 8, tip: '正对镜头，双眼向左上方看。' },
@@ -133,11 +163,12 @@ Component({
       })
       // 如果设置了只使用相机，直接打开相机
       if (this.properties.onlyCamera) {
-        this.setData({
-          visible: true,
+        this.checkCameraPermission(() => {
+          this.setData({
+            visible: true,
+          })
         })
-      }
-      else {
+      } else {
         this.setData({
           selectShow: true,
         })
@@ -149,9 +180,46 @@ Component({
       })
     },
     handleCamera() {
-      this.setData({
-        selectShow: false,
-        visible: true,
+      // 先检查相机权限
+      this.checkCameraPermission(() => {
+        this.setData({
+          selectShow: false,
+          visible: true,
+        })
+      })
+    },
+
+    // 检查相机权限
+    checkCameraPermission(callback: () => void) {
+      wx.getSetting({
+        success: (res) => {
+          if (res.authSetting['scope.camera'] != undefined && res.authSetting['scope.camera'] == true) {
+            callback()
+          } else if (res.authSetting['scope.camera'] == undefined) {
+            callback()
+          } else {
+            wx.showModal({
+              title: '请求授权相机权限',
+              content: '需要使用相机进行拍摄，请确认授权',
+              confirmColor: '#8c75d0',
+              success: (res) => {
+                if (res.cancel) {
+                  wx.showToast({ title: '拒绝授权', icon: 'none' })
+                } else if (res.confirm) {
+                  wx.openSetting({
+                    success: (res) => {
+                      if (res.authSetting['scope.camera'] == true) {
+                        callback()
+                      } else {
+                        wx.showToast({ title: '授权失败', icon: 'none' })
+                      }
+                    },
+                  })
+                }
+              },
+            })
+          }
+        },
       })
     },
     handleHideCamera() {
@@ -160,8 +228,7 @@ Component({
         this.setData({
           visible: false,
         })
-      }
-      else {
+      } else {
         this.setData({
           visible: false,
           selectShow: true,
@@ -170,29 +237,69 @@ Component({
     },
     handlePicture() {
       this.handleCancel()
-      wx.chooseMedia({
-        count: 1,
-        mediaType: ['image'],
-        sourceType: ['album'],
-        success: (res) => {
-          if (res.tempFiles && res.tempFiles.length > 0) {
-            const tempFile = res.tempFiles[0]
-            const maxSize = 10 * 1024 * 1024
-            if (tempFile.size > maxSize) {
-              wx.showToast({
-                title: '图片大小不能超过10M',
-                icon: 'none',
-              })
-              this.triggerEvent('uploaderror', { reason: 'file_too_large', size: tempFile.size, maxSize })
-              return
+      // 检查相册权限
+      this.checkAlbumPermission(() => {
+        wx.chooseMedia({
+          count: 1,
+          mediaType: ['image'],
+          sourceType: ['album'],
+          success: (res) => {
+            if (res.tempFiles && res.tempFiles.length > 0) {
+              const tempFile = res.tempFiles[0]
+              const maxSize = 10 * 1024 * 1024
+              if (tempFile.size > maxSize) {
+                wx.showToast({
+                  title: '图片大小不能超过10MB',
+                  icon: 'none',
+                })
+                this.triggerEvent('uploaderror', { reason: 'file_too_large', size: tempFile.size, maxSize })
+                return
+              }
+              this.uploadImage(tempFile.tempFilePath)
             }
-            this.uploadImage(tempFile.tempFilePath)
-          }
-        },
-        fail: (err) => {
-          console.error('选择图片失败:', err)
-          if (err.errMsg?.includes('cancel')) {
-            this.setData({ selectShow: true })
+          },
+          fail: (err) => {
+            console.error('选择图片失败:', err)
+            if (err.errMsg?.includes('cancel')) {
+              this.setData({ selectShow: true })
+            }
+          },
+        })
+      })
+    },
+
+    // 检查相册权限
+    checkAlbumPermission(callback: () => void) {
+      wx.getSetting({
+        success: (res) => {
+          if (
+            res.authSetting['scope.writePhotosAlbum'] != undefined &&
+            res.authSetting['scope.writePhotosAlbum'] == true
+          ) {
+            callback()
+          } else if (res.authSetting['scope.writePhotosAlbum'] == undefined) {
+            callback()
+          } else {
+            wx.showModal({
+              title: '请求授权相册权限',
+              content: '需要访问相册选择照片，请确认授权',
+              confirmColor: '#8c75d0',
+              success: (res) => {
+                if (res.cancel) {
+                  wx.showToast({ title: '拒绝授权', icon: 'none' })
+                } else if (res.confirm) {
+                  wx.openSetting({
+                    success: (res) => {
+                      if (res.authSetting['scope.writePhotosAlbum'] == true) {
+                        callback()
+                      } else {
+                        wx.showToast({ title: '授权失败', icon: 'none' })
+                      }
+                    },
+                  })
+                }
+              },
+            })
           }
         },
       })
@@ -258,9 +365,27 @@ Component({
 
     onCameraError(e: WechatMiniprogram.CustomEvent) {
       console.error('相机错误:', e.detail)
-      wx.showToast({
-        title: '相机权限未开启',
-        icon: 'none',
+      // 相机出错时引导用户去设置页开启权限
+      wx.showModal({
+        title: '请求授权相机权限',
+        content: '需要使用相机进行拍摄，请确认授权',
+        confirmColor: '#8c75d0',
+        success: (res) => {
+          if (res.cancel) {
+            this.setData({ visible: false, selectShow: true })
+          } else if (res.confirm) {
+            wx.openSetting({
+              success: (res) => {
+                if (res.authSetting['scope.camera'] == true) {
+                  wx.showToast({ title: '授权成功', icon: 'success' })
+                } else {
+                  this.setData({ visible: false, selectShow: true })
+                  wx.showToast({ title: '授权失败', icon: 'none' })
+                }
+              },
+            })
+          }
+        },
       })
       this.triggerEvent('error', { reason: 'permission_denied' })
     },
@@ -275,13 +400,12 @@ Component({
             const fileSize = (stats as WechatMiniprogram.Stats).size
             if (fileSize > maxSize) {
               wx.showToast({
-                title: '图片大小不能超过10M',
+                title: '图片大小不能超过10MB',
                 icon: 'none',
               })
               this.triggerEvent('uploaderror', { reason: 'file_too_large', size: fileSize, maxSize })
               resolve(false)
-            }
-            else {
+            } else {
               resolve(true)
             }
           },
@@ -294,8 +418,7 @@ Component({
 
     uploadImage(tempFilePath: string) {
       this.checkImageSize(tempFilePath).then((isValid) => {
-        if (!isValid)
-          return
+        if (!isValid) return
 
         wx.showLoading({
           title: '正在上传',
@@ -313,8 +436,7 @@ Component({
                 const photoUrl = data.data.Url
                 // 第二步：调用 photo-upload 接口保存照片信息
                 this.savePhotoInfo(photoUrl)
-              }
-              else {
+              } else {
                 wx.hideLoading()
                 wx.showToast({
                   title: '上传失败',
@@ -322,8 +444,7 @@ Component({
                 })
                 this.triggerEvent('uploaderror', { reason: 'upload_failed', data })
               }
-            }
-            catch (e) {
+            } catch (e) {
               wx.hideLoading()
               wx.showToast({
                 title: '解析响应失败',
@@ -355,17 +476,18 @@ Component({
           method: 'GET',
           url: '?r=xd/proptosis/get-session-id',
           data: {},
-        }).then((res: any) => {
-          if (res.sessionId) {
-            this.setData({ sessionIdCache: res.sessionId })
-            resolve(res.sessionId)
-          }
-          else {
-            reject(new Error('sessionId not found'))
-          }
-        }).catch((err) => {
-          reject(err)
         })
+          .then((res: any) => {
+            if (res.sessionId) {
+              this.setData({ sessionIdCache: res.sessionId })
+              resolve(res.sessionId)
+            } else {
+              reject(new Error('sessionId not found'))
+            }
+          })
+          .catch((err) => {
+            reject(err)
+          })
       })
     },
 
@@ -383,70 +505,73 @@ Component({
       }
 
       // 先获取 sessionId，再上传照片
-      this.getSessionId().then((sessionId) => {
-        const recordId = this.properties.recordId
-        wx.ajax({
-          method: 'POST',
-          url: '?r=xd/proptosis/photo-checker',
-          data: {
-            ...(recordId ? { recordId } : {}),
-            sessionId,
-            photoAngle,
-            photoUrl,
-          },
-        }).then((res: any) => {
-          wx.hideLoading()
-          const { photoId, checkStatus, isContinue, message } = res
-
-          // 触发上传成功事件，返回完整的照片信息
-          this.triggerEvent('uploadsuccess', {
-            photoId,
-            photoAngle,
-            photoUrl,
-            checkStatus,
-            isContinue,
-            message,
+      this.getSessionId()
+        .then((sessionId) => {
+          const recordId = this.properties.recordId
+          wx.ajax({
+            method: 'POST',
+            url: '?r=xd/proptosis/photo-checker',
+            data: {
+              ...(recordId ? { recordId } : {}),
+              sessionId,
+              photoAngle,
+              photoUrl,
+            },
           })
+            .then((res: any) => {
+              wx.hideLoading()
+              const { photoId, checkStatus, isContinue, message } = res
 
-          // 关闭相机
-          this.setData({
-            visible: false,
-            selectShow: false,
-          })
+              // 触发上传成功事件，返回完整的照片信息
+              this.triggerEvent('uploadsuccess', {
+                photoId,
+                photoAngle,
+                photoUrl,
+                checkStatus,
+                isContinue,
+                message,
+              })
 
-          // 如果机审不通过且不允许继续，提示用户
-          if (checkStatus === 2 && !isContinue) {
-            wx.showModal({
-              title: '提示',
-              content: message || '图片不合规，请重新上传',
-              showCancel: false,
-              confirmColor: '#8c75d0',
-              cancelColor: '#141515',
+              // 关闭相机
+              this.setData({
+                visible: false,
+                selectShow: false,
+              })
+
+              // 如果机审不通过且不允许继续，提示用户
+              if (checkStatus === 2 && !isContinue) {
+                wx.showModal({
+                  title: '提示',
+                  content: message || '图片不合规，请重新上传',
+                  showCancel: false,
+                  confirmColor: '#8c75d0',
+                  cancelColor: '#141515',
+                })
+              } else if (checkStatus === 2 && isContinue) {
+                // 机审不通过但允许继续，提示用户
+                wx.showToast({
+                  title: message || '图片可能不合规',
+                  icon: 'none',
+                })
+              }
             })
-          }
-          else if (checkStatus === 2 && isContinue) {
-          // 机审不通过但允许继续，提示用户
-            wx.showToast({
-              title: message || '图片可能不合规',
-              icon: 'none',
+            .catch((err) => {
+              wx.hideLoading()
+              wx.showToast({
+                title: '保存照片信息失败',
+                icon: 'none',
+              })
+              this.triggerEvent('uploaderror', { reason: 'save_photo_failed', error: err })
             })
-          }
-        }).catch((err) => {
+        })
+        .catch((err) => {
           wx.hideLoading()
           wx.showToast({
-            title: '保存照片信息失败',
+            title: '获取会话ID失败',
             icon: 'none',
           })
-          this.triggerEvent('uploaderror', { reason: 'save_photo_failed', error: err })
-        })
-      }).catch((err) => {
-        wx.hideLoading()
-        wx.showToast({
-          title: '获取会话ID失败',
-          icon: 'none',
+          this.triggerEvent('uploaderror', { reason: 'get_session_failed', error: err })
         })
-        this.triggerEvent('uploaderror', { reason: 'get_session_failed', error: err })
-      })
     },
     handleExample() {
       this.setData({
diff --git a/src/patient/components/image-merge/index.ts b/src/patient/components/image-merge/index.ts
index e6189b1..c554434 100644
--- a/src/patient/components/image-merge/index.ts
+++ b/src/patient/components/image-merge/index.ts
@@ -96,7 +96,7 @@ Component({
             const canvas = res[0].node
             const ctx = canvas.getContext('2d')
 
-            Promise.all(imageList.map(item => this.getImageInfo(item.src)))
+            Promise.all(imageList.map((item) => this.getImageInfo(item.src)))
               .then((imageInfos) => {
                 const targetWidth = 750
                 const pixelRatio = wx.getWindowInfo().pixelRatio
@@ -118,16 +118,25 @@ Component({
                 let currentY = 0
                 let loadedCount = 0
 
+                // 预计算每张图片的 Y 偏移，确保顺序正确
+                const yPositions: number[] = []
+                scaledHeights.forEach((h, i) => {
+                  yPositions.push(currentY)
+                  currentY += h
+                })
+
+                loadedCount = 0
+
                 imageInfos.forEach((info, index) => {
                   const img = canvas.createImage()
                   img.src = info.path
                   img.onload = () => {
-                    ctx.drawImage(img, 0, currentY, canvasWidth, scaledHeights[index])
+                    ctx.drawImage(img, 0, yPositions[index], canvasWidth, scaledHeights[index])
 
                     // 在每张图片左上角绘制时间，白色字体
                     const timeText = imageList[index].time || this.formatTime(new Date())
                     const padding = 20
-                    const textY = currentY + 40
+                    const textY = yPositions[index] + 40
 
                     // 设置白色字体和阴影以增强可读性
                     ctx.fillStyle = '#ffffff'
@@ -147,14 +156,13 @@ Component({
 
                     // 如果是最后一张图片，在其右下角绘制水印
                     if (index === imageInfos.length - 1) {
-                      const lastImageBottom = currentY + scaledHeights[index]
+                      const lastImageBottom = yPositions[index] + scaledHeights[index]
                       ctx.fillStyle = 'rgba(255, 255, 255, 0.8)'
                       ctx.font = '24px sans-serif'
                       ctx.textAlign = 'right'
                       ctx.fillText('由-TED关爱小助手-小程序生成', canvasWidth - 20, lastImageBottom - 20)
                     }
 
-                    currentY += scaledHeights[index]
                     loadedCount++
 
                     if (loadedCount === imageInfos.length) {
diff --git a/src/patient/pages/note/index.ts b/src/patient/pages/note/index.ts
index f7c1d2e..2091cb4 100644
--- a/src/patient/pages/note/index.ts
+++ b/src/patient/pages/note/index.ts
@@ -46,22 +46,45 @@ Page({
       method: 'GET',
       url: '?r=xd/proptosis/baseline-status',
       data: {},
-    }).then((res: any) => {
-      this.setData({
-        hasBaseline: res.hasBaseline,
-        baselineRecordId: res.baselineRecordId || '',
+    })
+      .then((res: any) => {
+        this.setData({
+          hasBaseline: res.hasBaseline,
+          baselineRecordId: res.baselineRecordId || '',
+        })
+        // 有基准照时，通过 record-detail 获取基准照详情
+        if (res.baselineRecordId) {
+          this.getBaselineDetail(res.baselineRecordId)
+        }
+      })
+      .catch((err) => {
+        console.error('获取基准照状态失败:', err)
       })
-    }).catch((err) => {
-      console.error('获取基准照状态失败:', err)
+  },
+
+  // 通过 record-detail 获取基准照详情
+  getBaselineDetail(recordId: string) {
+    wx.ajax({
+      method: 'GET',
+      url: '?r=xd/proptosis/record-detail',
+      data: { recordId },
     })
+      .then((res: any) => {
+        const firstPhoto = (res.photos || [])[0]
+        this.setData({
+          baselineDate: res.recordDate || '',
+          baselinePhotoUrl: firstPhoto?.photoUrl || '',
+        })
+      })
+      .catch((err) => {
+        console.error('获取基准照详情失败:', err)
+      })
   },
 
   // 获取突眼记录列表
   getRecordList(reset = false) {
-    if (this.data.loading)
-      return
-    if (!reset && !this.data.hasMore)
-      return
+    if (this.data.loading) return
+    if (!reset && !this.data.hasMore) return
 
     const page = reset ? 1 : this.data.page
 
@@ -76,34 +99,28 @@ Page({
         page,
         pageSize: this.data.pageSize,
       },
-    }).then((res: any) => {
-      const list = res.list || []
-      const total = res.pagination?.total || 0
+    })
+      .then((res: any) => {
+        const list = res.list || []
+        const total = res.pagination?.total || 0
 
-      const nextList = reset ? list : [...this.data.recordList, ...list]
+        const nextList = reset ? list : [...this.data.recordList, ...list]
 
-      // 从已加载数据中找到基准照信息（避免后续分页把基准照“翻走”）
-      const baselineItem = nextList.find((item: RecordItem) => item.isBaseline === 1)
-      if (baselineItem) {
         this.setData({
-          baselineDate: baselineItem.recordDate,
-          baselinePhotoUrl: baselineItem.firstPhotoUrl,
+          recordList: nextList,
+          loading: false,
+          refreshing: false,
+          page: page + 1,
+          total,
+          hasMore: nextList.length < total && list.length >= this.data.pageSize,
         })
-      }
-      this.setData({
-        recordList: nextList,
-        loading: false,
-        refreshing: false,
-        page: page + 1,
-        total,
-        hasMore: nextList.length < total && list.length >= this.data.pageSize,
+        wx.stopPullDownRefresh()
+      })
+      .catch((err) => {
+        console.error('获取记录列表失败:', err)
+        this.setData({ loading: false, refreshing: false })
+        wx.stopPullDownRefresh()
       })
-      wx.stopPullDownRefresh()
-    }).catch((err) => {
-      console.error('获取记录列表失败:', err)
-      this.setData({ loading: false, refreshing: false })
-      wx.stopPullDownRefresh()
-    })
   },
 
   onPullDownRefresh() {
diff --git a/src/patient/pages/noteAdd/index.ts b/src/patient/pages/noteAdd/index.ts
index 090a31b..ed0db6a 100644
--- a/src/patient/pages/noteAdd/index.ts
+++ b/src/patient/pages/noteAdd/index.ts
@@ -56,7 +56,7 @@ Page({
 
     // 顺序拍摄模式
     sequentialShootMode: false,
-    sequentialShootList: [] as { name: string, type: string, angle: string }[],
+    sequentialShootList: [] as { name: string; type: string; angle: string }[],
     sequentialShootIndex: 0,
 
     // 替妥尤单抗使用次数选项 (0-9, 9表示大于8)
@@ -125,35 +125,37 @@ Page({
       data: {
         recordId: this.data.recordId,
       },
-    }).then((res: RecordDetail) => {
-      wx.hideLoading()
-      const photoMap: Record<string, PhotoItem> = {}
-      ;(res.photos || []).forEach((p) => {
-        photoMap[p.photoAngle] = {
-          photoId: p.photoId,
-          photoAngle: p.photoAngle,
-          photoUrl: p.photoUrl,
-          // 已在后台入库的历史照片，默认视为可继续
-          checkStatus: 1,
-          isContinue: true,
-          message: '',
-        }
+    })
+      .then((res: RecordDetail) => {
+        wx.hideLoading()
+        const photoMap: Record<string, PhotoItem> = {}
+        ;(res.photos || []).forEach((p) => {
+          photoMap[p.photoAngle] = {
+            photoId: p.photoId,
+            photoAngle: p.photoAngle,
+            photoUrl: p.photoUrl,
+            // 已在后台入库的历史照片，默认视为可继续
+            checkStatus: 1,
+            isContinue: true,
+            message: '',
+          }
+        })
+
+        this.setData({
+          recordDate: res.recordDate || '',
+          treatmentCount: typeof res.treatmentCount === 'number' ? res.treatmentCount : 0,
+          isBaseline: res.isBaseline || 0,
+          leftEye: res.leftEye != null ? String(res.leftEye) : '',
+          rightEye: res.rightEye != null ? String(res.rightEye) : '',
+          interorbitalDistance: res.interorbitalDistance != null ? String(res.interorbitalDistance) : '',
+          photoMap,
+        })
       })
-
-      this.setData({
-        recordDate: res.recordDate || '',
-        treatmentCount: typeof res.treatmentCount === 'number' ? res.treatmentCount : 0,
-        isBaseline: res.isBaseline || 0,
-        leftEye: res.leftEye != null ? String(res.leftEye) : '',
-        rightEye: res.rightEye != null ? String(res.rightEye) : '',
-        interorbitalDistance: res.interorbitalDistance != null ? String(res.interorbitalDistance) : '',
-        photoMap,
+      .catch((err) => {
+        wx.hideLoading()
+        console.error('获取记录详情失败:', err)
+        wx.showToast({ title: '加载失败', icon: 'none' })
       })
-    }).catch((err) => {
-      wx.hideLoading()
-      console.error('获取记录详情失败:', err)
-      wx.showToast({ title: '加载失败', icon: 'none' })
-    })
   },
 
   // 日期选择
@@ -177,12 +179,14 @@ Page({
       method: 'GET',
       url: '?r=xd/proptosis/baseline-status',
       data: {},
-    }).then((res: any) => {
-      this.setData({
-        hasBaseline: res.hasBaseline,
-        isBaseline: res.hasBaseline ? this.data.isBaseline : 1,
+    })
+      .then((res: any) => {
+        this.setData({
+          hasBaseline: res.hasBaseline,
+          isBaseline: res.hasBaseline ? this.data.isBaseline : 1,
+        })
       })
-    }).catch(() => {})
+      .catch(() => {})
   },
 
   // 是否设置为基准照
@@ -203,8 +207,7 @@ Page({
   // 左眼度数输入
   onLeftEyeInput(e: any) {
     let val = e.detail.value
-    if (Number(val) > 999.9)
-      val = '999.9'
+    if (Number(val) > 999.9) val = '999.9'
     this.setData({
       leftEye: val,
     })
@@ -212,8 +215,7 @@ Page({
 
   onRightEyeInput(e: any) {
     let val = e.detail.value
-    if (Number(val) > 999.9)
-      val = '999.9'
+    if (Number(val) > 999.9) val = '999.9'
     this.setData({
       rightEye: val,
     })
@@ -221,8 +223,7 @@ Page({
 
   onInterorbitalDistanceInput(e: any) {
     let val = e.detail.value
-    if (Number(val) > 999.9)
-      val = '999.9'
+    if (Number(val) > 999.9) val = '999.9'
     this.setData({
       interorbitalDistance: val,
     })
@@ -361,7 +362,7 @@ Page({
   // camera 组件上传失败回调
   onUploadError(e: any) {
     const { errMsg } = e.detail
-    wx.showToast({ title: errMsg || '上传失败', icon: 'none' })
+    console.error('上传失败:', errMsg)
   },
 
   // 关闭相机
@@ -412,7 +413,8 @@ Page({
 
   // 保存记录
   handleSave() {
-    const { recordId, recordDate, treatmentCount, isBaseline, leftEye, rightEye, interorbitalDistance, photoMap } = this.data
+    const { recordId, recordDate, treatmentCount, isBaseline, leftEye, rightEye, interorbitalDistance, photoMap } =
+      this.data
 
     // 表单验证
     if (!recordDate) {
@@ -428,13 +430,13 @@ Page({
     }
 
     // 所有照片全不合规才不允许保存
-    const hasCompliantPhoto = photos.some(photo => photo.checkStatus === 1)
+    const hasCompliantPhoto = photos.some((photo) => photo.checkStatus === 1)
     if (!hasCompliantPhoto) {
       wx.showToast({ title: '所有照片不合规，请重新上传', icon: 'none' })
       return
     }
 
-    const photoIds = photos.map(photo => photo.photoId).join(',')
+    const photoIds = photos.map((photo) => photo.photoId).join(',')
 
     const data: any = {
       ...(recordId ? { recordId } : {}),
@@ -445,12 +447,9 @@ Page({
     }
 
     // 可选字段
-    if (leftEye)
-      data.leftEye = leftEye
-    if (rightEye)
-      data.rightEye = rightEye
-    if (interorbitalDistance)
-      data.interorbitalDistance = interorbitalDistance
+    if (leftEye) data.leftEye = leftEye
+    if (rightEye) data.rightEye = rightEye
+    if (interorbitalDistance) data.interorbitalDistance = interorbitalDistance
 
     wx.showLoading({ title: '保存中...' })
 
@@ -458,21 +457,23 @@ Page({
       method: 'POST',
       url: '?r=xd/proptosis/record-save',
       data,
-    }).then(() => {
-      wx.hideLoading()
-      this.setData({ hasUnsavedData: false })
-      wx.showToast({
-        title: '保存成功',
-        icon: 'success',
-      })
-      setTimeout(() => {
-        wx.navigateBack()
-      }, 1500)
-    }).catch((err: any) => {
-      wx.hideLoading()
-      const msg = err?.data?.msg || '保存失败'
-      wx.showToast({ title: msg, icon: 'none' })
     })
+      .then(() => {
+        wx.hideLoading()
+        this.setData({ hasUnsavedData: false })
+        wx.showToast({
+          title: '保存成功',
+          icon: 'success',
+        })
+        setTimeout(() => {
+          wx.navigateBack()
+        }, 1500)
+      })
+      .catch((err: any) => {
+        wx.hideLoading()
+        const msg = err?.data?.msg || '保存失败'
+        wx.showToast({ title: msg, icon: 'none' })
+      })
   },
 
   handleDemo() {
@@ -488,8 +489,7 @@ Page({
     })
     if (popupType === 'popup18') {
       this.setData({ isBaseline: 1 })
-    }
-    else {
+    } else {
       this.handleSave()
     }
   },
@@ -501,8 +501,7 @@ Page({
     })
     if (popupType === 'popup18') {
       this.setData({ isBaseline: 0 })
-    }
-    else {
+    } else {
       wx.navigateBack()
     }
   },
@@ -513,8 +512,7 @@ Page({
         popupShow: true,
         popupType: 'popup16',
       })
-    }
-    else {
+    } else {
       wx.navigateBack()
     }
   },
diff --git a/src/patient/pages/noteDiff/index.scss b/src/patient/pages/noteDiff/index.scss
index a06a0ae..4bc9f6c 100644
--- a/src/patient/pages/noteDiff/index.scss
+++ b/src/patient/pages/noteDiff/index.scss
@@ -36,7 +36,7 @@ page {
   }
 }
 .page {
-  padding-bottom: 80rpx;
+  padding-bottom: calc(env(safe-area-inset-bottom) + 160rpx);
   .page-tip {
     padding: 24rpx 28rpx;
     background-color: #fff7e9;
@@ -288,5 +288,26 @@ page {
         border-radius: 100rpx 100rpx 100rpx 100rpx;
       }
     }
+
+    .footer-fixed {
+      position: fixed;
+      bottom: 0;
+      left: 0;
+      right: 0;
+      padding: 24rpx 40rpx calc(env(safe-area-inset-bottom) + 24rpx);
+      background: #fff;
+      box-shadow: 0 -4rpx 16rpx rgba(0, 0, 0, 0.05);
+
+      .btn1 {
+        height: 88rpx;
+        font-size: 36rpx;
+        color: #ffffff;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        background: linear-gradient(0deg, #e98ff8 0%, #b073ff 100%);
+        border-radius: 100rpx;
+      }
+    }
   }
 }
diff --git a/src/patient/pages/noteDiff/index.ts b/src/patient/pages/noteDiff/index.ts
index b5d1e9c..494fdaa 100644
--- a/src/patient/pages/noteDiff/index.ts
+++ b/src/patient/pages/noteDiff/index.ts
@@ -1,4 +1,5 @@
 const app = getApp<IAppOption>()
+const licia = require('miniprogram-licia')
 
 interface ComparePhoto {
   recordId: string
@@ -17,6 +18,8 @@ interface CompareDate {
   isSelected?: boolean
 }
 
+type BaselineItem = CompareDate | null
+
 Page({
   data: {
     // 对比角度
@@ -26,18 +29,24 @@ Page({
     angleMap: {} as Record<string, string>,
 
     // 日期选择
-    baseline: null as CompareDate | null,
+    baseline: null as unknown as BaselineItem,
     nonBaselineList: [] as CompareDate[],
     selectedDates: [] as string[],
+    baselineSelected: true,
 
     // 对比照片
     comparePhotos: [] as ComparePhoto[],
 
     // 空状态
     hasBaseline: true,
+
+    generateDate: '',
   },
 
   onLoad() {
+    const now = new Date()
+    const generateDate = `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, '0')}-${String(now.getDate()).padStart(2, '0')}`
+    this.setData({ generateDate })
     this.getCompareAngle()
   },
 
@@ -112,16 +121,17 @@ Page({
           newRecordIds.push(newBaseline.recordId)
         }
         const selectedDates = this.data.selectedDates.filter((id: string) => newRecordIds.includes(id))
+        const baselineSelected = this.data.baselineSelected
         const nonBaselineList = newList.map((item: CompareDate) => ({
           ...item,
           isSelected: selectedDates.includes(item.recordId),
         }))
         this.setData({
-          baseline: newBaseline,
+          baseline: newBaseline ? { ...newBaseline, isSelected: baselineSelected } : null,
           nonBaselineList,
           selectedDates,
         })
-        if (selectedDates.length > 0 || newBaseline) {
+        if (selectedDates.length > 0 || (newBaseline && baselineSelected)) {
           this.getComparePhotos()
         } else {
           this.setData({ comparePhotos: [] })
@@ -139,11 +149,25 @@ Page({
     this.setData({
       photoAngle: angle.key,
       photoAngleName: angle.name,
+      selectedDates: [],
+      baselineSelected: true,
       comparePhotos: [],
     })
     this.getCompareDates()
   },
 
+  // 选择基准照日期
+  onBaselineSelect() {
+    const baselineSelected = !this.data.baselineSelected
+    const baseline = this.data.baseline
+    this.setData({
+      baselineSelected,
+      baseline: baseline ? { ...baseline, isSelected: baselineSelected } : null,
+    })
+    // 获取对比照片
+    this.getComparePhotos()
+  },
+
   // 选择日期
   onDateSelect(e: any) {
     const { recordId } = e.currentTarget.dataset
@@ -152,7 +176,7 @@ Page({
     if (index > -1) {
       selectedDates.splice(index, 1)
     } else {
-      const maxSelect = this.data.baseline ? 5 : 6
+      const maxSelect = this.data.baselineSelected ? 5 : 6
       if (selectedDates.length >= maxSelect) {
         wx.showToast({ title: '最多选择6张对比图', icon: 'none' })
         return
@@ -170,13 +194,13 @@ Page({
   },
 
   // 获取对比照片
-  getComparePhotos() {
+  getComparePhotos: licia.debounce(function (this: any) {
     const { photoAngle, selectedDates, baseline } = this.data
     if (!photoAngle) {
       this.setData({ comparePhotos: [] })
       return
     }
-    const recordIds = baseline ? [baseline.recordId, ...selectedDates] : selectedDates
+    const recordIds = baseline && this.data.baselineSelected ? [baseline.recordId, ...selectedDates] : selectedDates
     if (recordIds.length === 0) {
       this.setData({ comparePhotos: [] })
       return
@@ -201,7 +225,7 @@ Page({
       .catch((err) => {
         console.error('获取对比照片失败:', err)
       })
-  },
+  }, 300),
 
   // 去设置基准照
   goSetBaseline() {
@@ -212,13 +236,15 @@ Page({
 
   // 生成对比图
   handleEdit() {
-    if (this.data.selectedDates.length === 0) {
-      wx.showToast({ title: '请选择对比日期', icon: 'none' })
+    const { baseline, baselineSelected, selectedDates } = this.data
+    const hasBaseline = baseline && baselineSelected
+    const totalCount = selectedDates.length + (hasBaseline ? 1 : 0)
+    if (totalCount < 2) {
+      wx.showToast({ title: '请至少选择两个日期', icon: 'none' })
       return
     }
-    const { baseline, selectedDates } = this.data
     // 生成长图页也应包含基准照（与预览一致）
-    const recordIds = baseline ? [baseline.recordId, ...selectedDates] : selectedDates
+    const recordIds = hasBaseline ? [baseline.recordId, ...selectedDates] : selectedDates
     wx.navigateTo({
       url: `/patient/pages/noteDiffEdit/index?photoAngle=${this.data.photoAngle}&recordIds=${recordIds.join(',')}`,
     })
diff --git a/src/patient/pages/noteDiff/index.wxml b/src/patient/pages/noteDiff/index.wxml
index de74a22..bf810b3 100644
--- a/src/patient/pages/noteDiff/index.wxml
+++ b/src/patient/pages/noteDiff/index.wxml
@@ -32,7 +32,7 @@
     <view class="form-item">
       <view class="title">选择对比日期(可多选)</view>
       <view class="multiple">
-        <view class="item active baseline" wx:if="{{baseline}}">
+        <view class="item {{baseline.isSelected ? 'active' : ''}} baseline" wx:if="{{baseline}}" bind:tap="onBaselineSelect">
           {{baseline.recordDate}}
           <image class="icon" src="{{imageUrl}}icon169.png?t={{Timestamp}}"></image>
         </view>
@@ -51,7 +51,7 @@
   <view class="container" wx:if="{{comparePhotos.length > 0}}">
     <view class="title">
       {{photoAngleName}}时间线对比
-      <view class="date">生成日期:{{comparePhotos[0].recordDate}}</view>
+      <view class="date">生成日期:{{generateDate}}</view>
     </view>
     <view class="card" wx:for="{{comparePhotos}}" wx:key="recordId">
       <view class="aside">
@@ -99,7 +99,7 @@
         </view>
       </view>
     </view>
-    <view class="footer">
+    <view class="footer-fixed" wx:if="{{comparePhotos.length > 0}}">
       <view class="btn1" bind:tap="handleEdit">生成对比图</view>
     </view>
   </view>
diff --git a/src/patient/pages/noteDiffEdit/index.json b/src/patient/pages/noteDiffEdit/index.json
index a4f88ee..e9727f8 100644
--- a/src/patient/pages/noteDiffEdit/index.json
+++ b/src/patient/pages/noteDiffEdit/index.json
@@ -5,5 +5,5 @@
     "imageMerge": "/patient/components/image-merge/index",
     "popup": "/components/popup/index"
   },
-  "navigationBarTitleText": "照片对比分析"
+  "navigationBarTitleText": "照片对比编辑"
 }
diff --git a/src/patient/pages/noteDiffEdit/index.ts b/src/patient/pages/noteDiffEdit/index.ts
index 60a4ba8..8a79163 100644
--- a/src/patient/pages/noteDiffEdit/index.ts
+++ b/src/patient/pages/noteDiffEdit/index.ts
@@ -21,6 +21,7 @@ Page({
 
     photoAngle: '',
     photoAngleName: '',
+    generateDate: '',
     recordIds: [] as string[],
     photos: [] as PhotoItem[],
     loading: false,
@@ -28,7 +29,10 @@ Page({
   },
 
   onLoad(option: any) {
+    const now = new Date()
+    const generateDate = `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, '0')}-${String(now.getDate()).padStart(2, '0')}`
     this.setData({
+      generateDate,
       photoAngle: option.photoAngle || '',
       recordIds: option.recordIds ? option.recordIds.split(',') : [],
     })
@@ -121,7 +125,7 @@ Page({
           success: (cropRes) => {
             photos[index].isCropped = true
             photos[index].croppedUrl = cropRes.tempFilePath
-            this.setData({ photos })
+            this.setData({ photos, mergedImage: '' })
             wx.showToast({ title: '裁剪成功', icon: 'success' })
           },
           fail: (err) => {
@@ -147,7 +151,7 @@ Page({
     const photos = this.data.photos
     photos[index].isCropped = false
     photos[index].croppedUrl = ''
-    this.setData({ photos })
+    this.setData({ photos, mergedImage: '' })
   },
 
   // 生成对比图预览
@@ -160,7 +164,9 @@ Page({
 
     const mergeComponent = this.selectComponent('#merge')
     if (mergeComponent) {
-      const imageList = photos.map((item) => {
+      // 确保基准照片排在第一位
+      const sorted = [...photos].sort((a, b) => b.isBaseline - a.isBaseline)
+      const imageList = sorted.map((item) => {
         const label =
           item.isBaseline === 1
             ? `基准照片 ${item.recordDate} 替妥尤单抗:${item.treatmentCount >= 9 ? '>8' : item.treatmentCount}次`
@@ -182,8 +188,50 @@ Page({
       return
     }
 
+    this.saveImageToAlbum(mergedImage)
+  },
+
+  // 保存图片到相册（带权限引导）
+  saveImageToAlbum(filePath: string) {
+    wx.getSetting({
+      success: (res) => {
+        if (
+          res.authSetting['scope.writePhotosAlbum'] != undefined &&
+          res.authSetting['scope.writePhotosAlbum'] == true
+        ) {
+          this.doSaveImage(filePath)
+        } else if (res.authSetting['scope.writePhotosAlbum'] == undefined) {
+          this.doSaveImage(filePath)
+        } else {
+          wx.showModal({
+            title: '请求授权相册权限',
+            content: '需要保存对比图到相册，请确认授权',
+            confirmColor: '#8c75d0',
+            success: (res) => {
+              if (res.cancel) {
+                wx.showToast({ title: '拒绝授权', icon: 'none' })
+              } else if (res.confirm) {
+                wx.openSetting({
+                  success: (res) => {
+                    if (res.authSetting['scope.writePhotosAlbum'] == true) {
+                      this.doSaveImage(filePath)
+                    } else {
+                      wx.showToast({ title: '授权失败', icon: 'none' })
+                    }
+                  },
+                })
+              }
+            },
+          })
+        }
+      },
+    })
+  },
+
+  // 执行保存图片
+  doSaveImage(filePath: string) {
     wx.saveImageToPhotosAlbum({
-      filePath: mergedImage,
+      filePath,
       success: () => {
         wx.showToast({ title: '保存成功', icon: 'success' })
       },
diff --git a/src/patient/pages/noteDiffEdit/index.wxml b/src/patient/pages/noteDiffEdit/index.wxml
index 52fcc0b..787fd70 100644
--- a/src/patient/pages/noteDiffEdit/index.wxml
+++ b/src/patient/pages/noteDiffEdit/index.wxml
@@ -6,7 +6,7 @@
   <view class="container" wx:if="{{!loading && photos.length > 0}}">
     <view class="title">
       {{photoAngleName}}时间线对比
-      <view class="date">生成日期:{{photos[0].recordDate}}</view>
+      <view class="date">生成日期:{{generateDate}}</view>
     </view>
     <view class="card" wx:for="{{photos}}" wx:key="photoId" data-index="{{index}}">
       <view class="aside">