diff --git a/electron/services/exportService.ts b/electron/services/exportService.ts
index ca6c395..88b79f3 100644
--- a/electron/services/exportService.ts
+++ b/electron/services/exportService.ts
@@ -305,6 +305,121 @@ class ExportService {
     }
   }
 
+  private formatPlainExportContent(
+    content: string,
+    localType: number,
+    options: { exportVoiceAsText?: boolean },
+    voiceTranscript?: string
+  ): string {
+    const safeContent = content || ''
+
+    if (localType === 3) return '[图片]'
+    if (localType === 1) return this.stripSenderPrefix(safeContent)
+    if (localType === 34) {
+      if (options.exportVoiceAsText) {
+        return voiceTranscript || '[语音消息 - 转文字失败]'
+      }
+      return '[其他消息]'
+    }
+    if (localType === 42) {
+      const normalized = this.normalizeAppMessageContent(safeContent)
+      const nickname =
+        this.extractXmlValue(normalized, 'nickname') ||
+        this.extractXmlValue(normalized, 'displayname') ||
+        this.extractXmlValue(normalized, 'name')
+      return nickname ? `[名片]${nickname}` : '[名片]'
+    }
+    if (localType === 43) {
+      const normalized = this.normalizeAppMessageContent(safeContent)
+      const lengthValue =
+        this.extractXmlValue(normalized, 'playlength') ||
+        this.extractXmlValue(normalized, 'playLength') ||
+        this.extractXmlValue(normalized, 'length') ||
+        this.extractXmlValue(normalized, 'duration')
+      const seconds = lengthValue ? this.parseDurationSeconds(lengthValue) : null
+      return seconds ? `[视频]${seconds}s` : '[视频]'
+    }
+    if (localType === 48) {
+      const normalized = this.normalizeAppMessageContent(safeContent)
+      const location =
+        this.extractXmlValue(normalized, 'label') ||
+        this.extractXmlValue(normalized, 'poiname') ||
+        this.extractXmlValue(normalized, 'poiName') ||
+        this.extractXmlValue(normalized, 'name')
+      return location ? `[定位]${location}` : '[定位]'
+    }
+    if (localType === 50) {
+      return this.parseVoipMessage(safeContent)
+    }
+    if (localType === 10000 || localType === 266287972401) {
+      return this.cleanSystemMessage(safeContent)
+    }
+
+    const normalized = this.normalizeAppMessageContent(safeContent)
+    const isAppMessage = normalized.includes('<appmsg') || normalized.includes('<msg>')
+    if (localType === 49 || isAppMessage) {
+      const typeMatch = /<type>(\d+)<\/type>/i.exec(normalized)
+      const subType = typeMatch ? parseInt(typeMatch[1], 10) : 0
+      const title = this.extractXmlValue(normalized, 'title') || this.extractXmlValue(normalized, 'appname')
+      if (subType === 3 || normalized.includes('<musicurl') || normalized.includes('<songname')) {
+        const songName = this.extractXmlValue(normalized, 'songname') || title || '音乐'
+        return `[音乐]${songName}`
+      }
+      if (subType === 6) {
+        const fileName = this.extractXmlValue(normalized, 'filename') || title || '文件'
+        return `[文件]${fileName}`
+      }
+      if (title.includes('转账') || normalized.includes('transfer')) {
+        const amount = this.extractAmountFromText(
+          [
+            title,
+            this.extractXmlValue(normalized, 'des'),
+            this.extractXmlValue(normalized, 'money'),
+            this.extractXmlValue(normalized, 'amount'),
+            this.extractXmlValue(normalized, 'fee')
+          ]
+            .filter(Boolean)
+            .join(' ')
+        )
+        return amount ? `[转账]${amount}` : '[转账]'
+      }
+      if (title.includes('红包') || normalized.includes('hongbao')) {
+        return `[红包]${title || '微信红包'}`
+      }
+      if (subType === 19 || normalized.includes('<recorditem')) {
+        const forwardName =
+          this.extractXmlValue(normalized, 'nickname') ||
+          this.extractXmlValue(normalized, 'title') ||
+          this.extractXmlValue(normalized, 'des') ||
+          this.extractXmlValue(normalized, 'displayname')
+        return forwardName ? `[转发的聊天记录]${forwardName}` : '[转发的聊天记录]'
+      }
+      if (subType === 33 || subType === 36) {
+        const appName = this.extractXmlValue(normalized, 'appname') || title || '小程序'
+        return `[小程序]${appName}`
+      }
+      if (title) {
+        return `[链接]${title}`
+      }
+      return '[其他消息]'
+    }
+
+    return '[其他消息]'
+  }
+
+  private parseDurationSeconds(value: string): number | null {
+    const numeric = Number(value)
+    if (!Number.isFinite(numeric) || numeric <= 0) return null
+    if (numeric >= 1000) return Math.round(numeric / 1000)
+    return Math.round(numeric)
+  }
+
+  private extractAmountFromText(text: string): string | null {
+    if (!text) return null
+    const match = /([¥￥]\s*\d+(?:\.\d+)?|\d+(?:\.\d+)?)/.exec(text)
+    return match ? match[1].replace(/\s+/g, '') : null
+  }
+
   private stripSenderPrefix(content: string): string {
     return content.replace(/^[\s]*([a-zA-Z0-9_-]+):(?!\/\/)/, '')
   }
@@ -555,31 +670,15 @@ class ExportService {
   private formatHtmlMessageText(content: string, localType: number): string {
     if (!content) return ''
 
-    const normalized = this.normalizeAppMessageContent(content)
-    const isAppMessage = normalized.includes('<appmsg') || normalized.includes('<msg>')
-
-    if (localType === 49 || isAppMessage) {
-      const typeMatch = /<type>(\d+)<\/type>/i.exec(normalized)
-      const subType = typeMatch ? parseInt(typeMatch[1], 10) : 0
-      const title = this.extractXmlValue(normalized, 'title') || this.extractXmlValue(normalized, 'appname')
-      if (subType === 6) {
-        const fileName = this.extractXmlValue(normalized, 'filename') || title || '文件'
-        return `[文件] ${fileName}`.trim()
-      }
-      if (subType === 33 || subType === 36) {
-        const appName = this.extractXmlValue(normalized, 'appname')
-        const miniTitle = title || appName || '小程序'
-        return `[小程序] ${miniTitle}`.trim()
-      }
-      return title || '[链接]'
+    if (localType === 1) {
+      return this.stripSenderPrefix(content)
     }
 
-    if (localType === 42) {
-      const nickname = this.extractXmlValue(normalized, 'nickname')
-      return nickname ? `[名片] ${nickname}` : '[名片]'
+    if (localType === 34) {
+      return this.parseMessageContent(content, localType) || ''
     }
 
-    return this.parseMessageContent(content, localType) || ''
+    return this.formatPlainExportContent(content, localType, { exportVoiceAsText: false })
   }
 
   /**
@@ -1967,10 +2066,6 @@ class ExportService {
       for (let i = 0; i < sortedMessages.length; i++) {
         const msg = sortedMessages[i]
 
-        // 从缓存获取媒体信息
-        const mediaKey = `${msg.localType}_${msg.localId}`
-        const mediaItem = mediaCache.get(mediaKey) || null
-
         // 确定发送者信息
         let senderRole: string
         let senderWxid: string
@@ -2018,16 +2113,12 @@ class ExportService {
         const row = worksheet.getRow(currentRow)
         row.height = 24
 
-        // 确定内容：优先使用预处理的缓存
-        let contentValue: string
-        if (mediaItem) {
-          contentValue = mediaItem.relativePath
-        } else if (msg.localType === 34 && options.exportVoiceAsText) {
-          // 使用预处理的语音转文字结果
-          contentValue = voiceTranscriptMap.get(msg.localId) || '[语音消息 - 转文字失败]'
-        } else {
-          contentValue = this.parseMessageContent(msg.content, msg.localType) || ''
-        }
+        const contentValue = this.formatPlainExportContent(
+          msg.content,
+          msg.localType,
+          options,
+          voiceTranscriptMap.get(msg.localId)
+        )
 
         // 调试日志
         if (msg.localType === 3 || msg.localType === 47) {
@@ -2190,24 +2281,16 @@ class ExportService {
         phase: 'exporting'
       })
 
-      const columnOrder = this.normalizeTxtColumns(options.txtColumns)
-      const columnLabelMap = new Map(TXT_COLUMN_DEFINITIONS.map((col) => [col.id, col.label]))
       const lines: string[] = []
-      lines.push(columnOrder.map((id) => columnLabelMap.get(id) || id).join('\t'))
 
       for (let i = 0; i < sortedMessages.length; i++) {
         const msg = sortedMessages[i]
-        const mediaKey = `${msg.localType}_${msg.localId}`
-        const mediaItem = mediaCache.get(mediaKey) || null
-
-        let contentValue: string
-        if (mediaItem) {
-          contentValue = mediaItem.relativePath
-        } else if (msg.localType === 34 && options.exportVoiceAsText) {
-          contentValue = voiceTranscriptMap.get(msg.localId) || '[语音消息 - 转文字失败]'
-        } else {
-          contentValue = this.parseMessageContent(msg.content, msg.localType) || ''
-        }
+        const contentValue = this.formatPlainExportContent(
+          msg.content,
+          msg.localType,
+          options,
+          voiceTranscriptMap.get(msg.localId)
+        )
 
         let senderRole: string
         let senderWxid: string
@@ -2242,21 +2325,9 @@ class ExportService {
           }
         }
 
-        const values: Record<string, string> = {
-          index: String(i + 1),
-          time: this.formatTimestamp(msg.createTime),
-          senderRole,
-          senderNickname,
-          senderWxid,
-          senderRemark,
-          messageType: this.getMessageTypeName(msg.localType),
-          content: contentValue
-        }
-
-        const line = columnOrder
-          .map((id) => this.sanitizeTxtValue(values[id] ?? ''))
-          .join('\t')
-        lines.push(line)
+        lines.push(`${this.formatTimestamp(msg.createTime)} '${senderRole}'`)
+        lines.push(contentValue)
+        lines.push('')
 
         if ((i + 1) % 200 === 0) {
           const progress = 60 + Math.floor((i + 1) / sortedMessages.length * 30)
@@ -2417,7 +2488,7 @@ class ExportService {
         if (msg.localType === 34 && useVoiceTranscript) {
           textContent = voiceTranscriptMap.get(msg.localId) || '[语音消息 - 转文字失败]'
         }
-        if (mediaItem && (msg.localType === 3 || msg.localType === 43 || msg.localType === 47)) {
+        if (mediaItem && (msg.localType === 3 || msg.localType === 47)) {
           textContent = ''
         }
 
diff --git a/src/pages/SettingsPage.tsx b/src/pages/SettingsPage.tsx
index 93c7484..18b2979 100644
--- a/src/pages/SettingsPage.tsx
+++ b/src/pages/SettingsPage.tsx
@@ -61,7 +61,6 @@ function SettingsPage() {
   const [exportDefaultMedia, setExportDefaultMedia] = useState(false)
   const [exportDefaultVoiceAsText, setExportDefaultVoiceAsText] = useState(true)
   const [exportDefaultExcelCompactColumns, setExportDefaultExcelCompactColumns] = useState(true)
-  const [exportDefaultTxtColumns, setExportDefaultTxtColumns] = useState<string[]>(['index', 'time', 'senderRole', 'messageType', 'content'])
 
   const [isLoading, setIsLoadingState] = useState(false)
   const [isTesting, setIsTesting] = useState(false)
@@ -142,8 +141,6 @@ function SettingsPage() {
       const savedExportDefaultMedia = await configService.getExportDefaultMedia()
       const savedExportDefaultVoiceAsText = await configService.getExportDefaultVoiceAsText()
       const savedExportDefaultExcelCompactColumns = await configService.getExportDefaultExcelCompactColumns()
-      const savedExportDefaultTxtColumns = await configService.getExportDefaultTxtColumns()
-      const defaultTxtColumns = ['index', 'time', 'senderRole', 'messageType', 'content']
 
       if (savedKey) setDecryptKey(savedKey)
       if (savedPath) setDbPath(savedPath)
@@ -161,11 +158,6 @@ function SettingsPage() {
       setExportDefaultMedia(savedExportDefaultMedia ?? false)
       setExportDefaultVoiceAsText(savedExportDefaultVoiceAsText ?? true)
       setExportDefaultExcelCompactColumns(savedExportDefaultExcelCompactColumns ?? true)
-      setExportDefaultTxtColumns(
-        savedExportDefaultTxtColumns && savedExportDefaultTxtColumns.length > 0
-          ? savedExportDefaultTxtColumns
-          : defaultTxtColumns
-      )
 
       // 如果语言列表为空，保存默认值
       if (!savedTranscribeLanguages || savedTranscribeLanguages.length === 0) {
@@ -174,9 +166,6 @@ function SettingsPage() {
         await configService.setTranscribeLanguages(defaultLanguages)
       }
 
-      if (!savedExportDefaultTxtColumns || savedExportDefaultTxtColumns.length === 0) {
-        await configService.setExportDefaultTxtColumns(defaultTxtColumns)
-      }
 
       if (savedWhisperModelDir) setWhisperModelDir(savedWhisperModelDir)
     } catch (e) {
@@ -911,16 +900,6 @@ function SettingsPage() {
     { value: 'compact', label: '精简列', desc: '序号、时间、发送者身份、消息类型、内容' },
     { value: 'full', label: '完整列', desc: '含发送者昵称/微信ID/备注' }
   ]
-  const exportTxtColumnOptions = [
-    { value: 'index', label: '序号' },
-    { value: 'time', label: '时间' },
-    { value: 'senderRole', label: '发送者身份' },
-    { value: 'messageType', label: '消息类型' },
-    { value: 'content', label: '内容' },
-    { value: 'senderNickname', label: '发送者昵称' },
-    { value: 'senderWxid', label: '发送者微信ID' },
-    { value: 'senderRemark', label: '发送者备注' }
-  ]
 
   const getOptionLabel = (options: { value: string; label: string }[], value: string) => {
     return options.find((option) => option.value === value)?.label ?? value
@@ -1097,40 +1076,6 @@ function SettingsPage() {
         </div>
       </div>
 
-      <div className="form-group">
-        <label>TXT 导出栏目</label>
-        <span className="form-hint">默认与 Excel 精简列一致，可多选调整输出字段</span>
-        <div className="language-checkboxes">
-          {exportTxtColumnOptions.map((column) => {
-            const checked = exportDefaultTxtColumns.includes(column.value)
-            return (
-              <label key={column.value} className="language-checkbox">
-                <input
-                  type="checkbox"
-                  checked={checked}
-                  onChange={async (e) => {
-                    const enabled = e.target.checked
-                    const nextColumns = enabled
-                      ? [...exportDefaultTxtColumns, column.value]
-                      : exportDefaultTxtColumns.filter((value) => value !== column.value)
-                    if (nextColumns.length === 0) {
-                      showMessage('至少选择一个 TXT 导出栏目', false)
-                      return
-                    }
-                    setExportDefaultTxtColumns(nextColumns)
-                    await configService.setExportDefaultTxtColumns(nextColumns)
-                    showMessage('已更新 TXT 导出栏目', true)
-                  }}
-                />
-                <div className="checkbox-custom">
-                  <Check size={14} />
-                  <span>{column.label}</span>
-                </div>
-              </label>
-            )
-          })}
-        </div>
-      </div>
     </div>
     )
   }