Merge branch 'hicccc77:dev' into dev

.gitignore

@@ -56,6 +56,7 @@ Thumbs.db
 *.aps
 
 wcdb/
+xkey/
 *info
 概述.md
 chatlab-format.md

electron/services/chatService.ts

@@ -1783,13 +1783,19 @@ class ChatService {
     if (!content) return undefined
 
     try {
-      // 提取 md5，这是用于查询 hardlink.db 的值
+      // 优先取 md5 属性（收到的视频）
-      const md5 =
+      const md5 = this.extractXmlAttribute(content, 'videomsg', 'md5')
-        this.extractXmlAttribute(content, 'videomsg', 'md5') ||
+      if (md5) return md5.toLowerCase()
-        this.extractXmlValue(content, 'md5') ||
-        undefined
 
-      return md5?.toLowerCase()
+      // 自己发的视频没有 md5，只有 rawmd5
+      const rawMd5 = this.extractXmlAttribute(content, 'videomsg', 'rawmd5')
+      if (rawMd5) return rawMd5.toLowerCase()
+
+      // 兜底：<md5> 标签
+      const tagMd5 = this.extractXmlValue(content, 'md5')
+      if (tagMd5) return tagMd5.toLowerCase()
+
+      return undefined
     } catch {
       return undefined
     }

electron/services/imageDecryptService.ts

@@ -1,4 +1,4 @@
-import { app, BrowserWindow } from 'electron'
+import { app, BrowserWindow } from 'electron'
 import { basename, dirname, extname, join } from 'path'
 import { pathToFileURL } from 'url'
 import { existsSync, mkdirSync, readdirSync, readFileSync, statSync, appendFileSync } from 'fs'
@@ -11,16 +11,7 @@ import { wcdbService } from './wcdbService'
 // 获取 ffmpeg-static 的路径
 function getStaticFfmpegPath(): string | null {
   try {
-    // 优先处理打包后的路径
+    // 方法1: 直接 require ffmpeg-static
-    if (app.isPackaged) {
-      const resourcesPath = process.resourcesPath
-      const packedPath = join(resourcesPath, 'app.asar.unpacked', 'node_modules', 'ffmpeg-static', 'ffmpeg.exe')
-      if (existsSync(packedPath)) {
-        return packedPath
-      }
-    }
-
-    // 方法1: 直接 require ffmpeg-static（开发环境）
     // eslint-disable-next-line @typescript-eslint/no-var-requires
     const ffmpegStatic = require('ffmpeg-static')
 
@@ -28,12 +19,21 @@ function getStaticFfmpegPath(): string | null {
       return ffmpegStatic
     }
 
-    // 方法2: 手动构建路径（开发环境备用）
+    // 方法2: 手动构建路径（开发环境）
     const devPath = join(process.cwd(), 'node_modules', 'ffmpeg-static', 'ffmpeg.exe')
     if (existsSync(devPath)) {
       return devPath
     }
 
+    // 方法3: 打包后的路径
+    if (app.isPackaged) {
+      const resourcesPath = process.resourcesPath
+      const packedPath = join(resourcesPath, 'app.asar.unpacked', 'node_modules', 'ffmpeg-static', 'ffmpeg.exe')
+      if (existsSync(packedPath)) {
+        return packedPath
+      }
+    }
+
     return null
   } catch {
     return null
@@ -45,7 +45,6 @@ type DecryptResult = {
   localPath?: string
   error?: string
   isThumb?: boolean  // 是否是缩略图（没有高清图时返回缩略图）
-  liveVideoPath?: string  // 实况照片的视频路径
 }
 
 type HardlinkState = {
@@ -62,7 +61,6 @@ export class ImageDecryptService {
   private cacheIndexed = false
   private cacheIndexing: Promise<void> | null = null
   private updateFlags = new Map<string, boolean>()
-  private noLiveSet = new Set<string>() // 已确认无 live 视频的图片路径
 
   private logInfo(message: string, meta?: Record<string, unknown>): void {
     if (!this.configService.get('logEnabled')) return
@@ -118,9 +116,8 @@ export class ImageDecryptService {
         } else {
           this.updateFlags.delete(key)
         }
-        const liveVideoPath = isThumb ? undefined : this.checkLiveVideoCache(cached)
         this.emitCacheResolved(payload, key, dataUrl || this.filePathToUrl(cached))
-        return { success: true, localPath: dataUrl || this.filePathToUrl(cached), hasUpdate, liveVideoPath }
+        return { success: true, localPath: dataUrl || this.filePathToUrl(cached), hasUpdate }
       }
       if (cached && !this.isImageFile(cached)) {
         this.resolvedCache.delete(key)
@@ -139,9 +136,8 @@ export class ImageDecryptService {
         } else {
           this.updateFlags.delete(key)
         }
-        const liveVideoPath = isThumb ? undefined : this.checkLiveVideoCache(existing)
         this.emitCacheResolved(payload, key, dataUrl || this.filePathToUrl(existing))
-        return { success: true, localPath: dataUrl || this.filePathToUrl(existing), hasUpdate, liveVideoPath }
+        return { success: true, localPath: dataUrl || this.filePathToUrl(existing), hasUpdate }
       }
     }
     this.logInfo('未找到缓存', { md5: payload.imageMd5, datName: payload.imageDatName })
@@ -155,25 +151,13 @@ export class ImageDecryptService {
       return { success: false, error: '缺少图片标识' }
     }
 
-    if (payload.force) {
-      const hdCached = this.findCachedOutput(cacheKey, true, payload.sessionId)
-      if (hdCached && existsSync(hdCached) && this.isImageFile(hdCached) && !this.isThumbnailPath(hdCached)) {
-        const dataUrl = this.fileToDataUrl(hdCached)
-        const localPath = dataUrl || this.filePathToUrl(hdCached)
-        const liveVideoPath = this.checkLiveVideoCache(hdCached)
-        this.emitCacheResolved(payload, cacheKey, localPath)
-        return { success: true, localPath, isThumb: false, liveVideoPath }
-      }
-    }
-
     if (!payload.force) {
       const cached = this.resolvedCache.get(cacheKey)
       if (cached && existsSync(cached) && this.isImageFile(cached)) {
         const dataUrl = this.fileToDataUrl(cached)
         const localPath = dataUrl || this.filePathToUrl(cached)
-        const liveVideoPath = this.isThumbnailPath(cached) ? undefined : this.checkLiveVideoCache(cached)
         this.emitCacheResolved(payload, cacheKey, localPath)
-        return { success: true, localPath, liveVideoPath }
+        return { success: true, localPath }
       }
       if (cached && !this.isImageFile(cached)) {
         this.resolvedCache.delete(cacheKey)
@@ -251,9 +235,8 @@ export class ImageDecryptService {
           const dataUrl = this.fileToDataUrl(existing)
           const localPath = dataUrl || this.filePathToUrl(existing)
           const isThumb = this.isThumbnailPath(existing)
-          const liveVideoPath = isThumb ? undefined : this.checkLiveVideoCache(existing)
           this.emitCacheResolved(payload, cacheKey, localPath)
-          return { success: true, localPath, isThumb, liveVideoPath }
+          return { success: true, localPath, isThumb }
         }
       }
 
@@ -297,7 +280,6 @@ export class ImageDecryptService {
       await writeFile(outputPath, decrypted)
       this.logInfo('解密成功', { outputPath, size: decrypted.length })
 
-      // 对于 hevc 格式，返回错误提示
       if (finalExt === '.hevc') {
         return {
           success: false,
@@ -305,6 +287,7 @@ export class ImageDecryptService {
           isThumb: this.isThumbnailPath(datPath)
         }
       }
+
       const isThumb = this.isThumbnailPath(datPath)
       this.cacheResolvedPaths(cacheKey, payload.imageMd5, payload.imageDatName, outputPath)
       if (!isThumb) {
@@ -313,15 +296,7 @@ export class ImageDecryptService {
       const dataUrl = this.bufferToDataUrl(decrypted, finalExt)
       const localPath = dataUrl || this.filePathToUrl(outputPath)
       this.emitCacheResolved(payload, cacheKey, localPath)
-
+      return { success: true, localPath, isThumb }
-      // 检测实况照片（Motion Photo）
-      let liveVideoPath: string | undefined
-      if (!isThumb && (finalExt === '.jpg' || finalExt === '.jpeg')) {
-        const videoPath = await this.extractMotionPhotoVideo(outputPath, decrypted)
-        if (videoPath) liveVideoPath = this.filePathToUrl(videoPath)
-      }
-
-      return { success: true, localPath, isThumb, liveVideoPath }
     } catch (e) {
       this.logError('解密失败', e, { md5: payload.imageMd5, datName: payload.imageDatName })
       return { success: false, error: String(e) }
@@ -357,37 +332,23 @@ export class ImageDecryptService {
    * 获取解密后的缓存目录（用于查找 hardlink.db）
    */
   private getDecryptedCacheDir(wxid: string): string | null {
+    const cachePath = this.configService.get('cachePath')
+    if (!cachePath) return null
+
     const cleanedWxid = this.cleanAccountDirName(wxid)
-    const configured = this.configService.get('cachePath')
+    const cacheAccountDir = join(cachePath, cleanedWxid)
-    const documentsPath = app.getPath('documents')
-    const baseCandidates = Array.from(new Set([
-      configured || '',
-      join(documentsPath, 'WeFlow'),
-      join(documentsPath, 'WeFlowData'),
-      this.configService.getCacheBasePath()
-    ].filter(Boolean)))
 
-    for (const base of baseCandidates) {
+    // 检查缓存目录下是否有 hardlink.db
-      const accountCandidates = Array.from(new Set([
+    if (existsSync(join(cacheAccountDir, 'hardlink.db'))) {
-        join(base, wxid),
+      return cacheAccountDir
-        join(base, cleanedWxid),
+    }
-        join(base, 'databases', wxid),
+    if (existsSync(join(cachePath, 'hardlink.db'))) {
-        join(base, 'databases', cleanedWxid)
+      return cachePath
-      ]))
+    }
-      for (const accountDir of accountCandidates) {
+    const cacheHardlinkDir = join(cacheAccountDir, 'db_storage', 'hardlink')
-        if (existsSync(join(accountDir, 'hardlink.db'))) {
+    if (existsSync(join(cacheHardlinkDir, 'hardlink.db'))) {
-          return accountDir
+      return cacheHardlinkDir
-        }
-        const hardlinkSubdir = join(accountDir, 'db_storage', 'hardlink')
-        if (existsSync(join(hardlinkSubdir, 'hardlink.db'))) {
-          return hardlinkSubdir
-        }
-      }
-      if (existsSync(join(base, 'hardlink.db'))) {
-        return base
-      }
     }
-
     return null
   }
 
@@ -396,8 +357,7 @@ export class ImageDecryptService {
       existsSync(join(dirPath, 'hardlink.db')) ||
       existsSync(join(dirPath, 'db_storage')) ||
       existsSync(join(dirPath, 'FileStorage', 'Image')) ||
-      existsSync(join(dirPath, 'FileStorage', 'Image2')) ||
+      existsSync(join(dirPath, 'FileStorage', 'Image2'))
-      existsSync(join(dirPath, 'msg', 'attach'))
     )
   }
 
@@ -421,7 +381,7 @@ export class ImageDecryptService {
 
     const suffixMatch = trimmed.match(/^(.+)_([a-zA-Z0-9]{4})$/)
     const cleaned = suffixMatch ? suffixMatch[1] : trimmed
-    
+
     return cleaned
   }
 
@@ -435,14 +395,35 @@ export class ImageDecryptService {
     const allowThumbnail = options?.allowThumbnail ?? true
     const skipResolvedCache = options?.skipResolvedCache ?? false
     this.logInfo('[ImageDecrypt] resolveDatPath', {
-      accountDir,
       imageMd5,
       imageDatName,
-      sessionId,
       allowThumbnail,
       skipResolvedCache
     })
 
+    if (!skipResolvedCache) {
+      if (imageMd5) {
+        const cached = this.resolvedCache.get(imageMd5)
+        if (cached && existsSync(cached)) return cached
+      }
+      if (imageDatName) {
+        const cached = this.resolvedCache.get(imageDatName)
+        if (cached && existsSync(cached)) return cached
+      }
+    }
+
+    // 1. 通过 MD5 快速定位 (MsgAttach 目录)
+    if (imageMd5) {
+      const res = await this.fastProbabilisticSearch(accountDir, imageMd5, allowThumbnail)
+      if (res) return res
+    }
+
+    // 2. 如果 imageDatName 看起来像 MD5，也尝试快速定位
+    if (!imageMd5 && imageDatName && this.looksLikeMd5(imageDatName)) {
+      const res = await this.fastProbabilisticSearch(accountDir, imageDatName, allowThumbnail)
+      if (res) return res
+    }
+
     // 优先通过 hardlink.db 查询
     if (imageMd5) {
       this.logInfo('[ImageDecrypt] hardlink lookup (md5)', { imageMd5, sessionId })
@@ -463,12 +444,6 @@ export class ImageDecryptService {
           if (imageDatName) this.cacheDatPath(accountDir, imageDatName, hdPath)
           return hdPath
         }
-        const hdInDir = await this.searchDatFileInDir(dirname(hardlinkPath), imageDatName || imageMd5 || '', false)
-        if (hdInDir) {
-          this.cacheDatPath(accountDir, imageMd5, hdInDir)
-          if (imageDatName) this.cacheDatPath(accountDir, imageDatName, hdInDir)
-          return hdInDir
-        }
         // 没找到高清图，返回 null（不进行全局搜索）
         return null
       }
@@ -486,16 +461,9 @@ export class ImageDecryptService {
           // 找到缩略图但要求高清图，尝试同目录查找高清图变体
           const hdPath = this.findHdVariantInSameDir(fallbackPath)
           if (hdPath) {
-            this.cacheDatPath(accountDir, imageMd5, hdPath)
             this.cacheDatPath(accountDir, imageDatName, hdPath)
             return hdPath
           }
-          const hdInDir = await this.searchDatFileInDir(dirname(fallbackPath), imageDatName || imageMd5 || '', false)
-          if (hdInDir) {
-            this.cacheDatPath(accountDir, imageMd5, hdInDir)
-            this.cacheDatPath(accountDir, imageDatName, hdInDir)
-            return hdInDir
-          }
           return null
         }
         this.logInfo('[ImageDecrypt] hardlink miss (datName)', { imageDatName })
@@ -518,17 +486,15 @@ export class ImageDecryptService {
           this.cacheDatPath(accountDir, imageDatName, hdPath)
           return hdPath
         }
-        const hdInDir = await this.searchDatFileInDir(dirname(hardlinkPath), imageDatName || '', false)
-        if (hdInDir) {
-          this.cacheDatPath(accountDir, imageDatName, hdInDir)
-          return hdInDir
-        }
         return null
       }
       this.logInfo('[ImageDecrypt] hardlink miss (datName)', { imageDatName })
     }
 
-    // force 模式下也继续尝试缓存目录/文件系统搜索，避免 hardlink.db 缺行时只能拿到缩略图
+    // 如果要求高清图但 hardlink 没找到，也不要搜索了（搜索太慢）
+    if (!allowThumbnail) {
+      return null
+    }
 
     if (!imageDatName) return null
     if (!skipResolvedCache) {
@@ -538,8 +504,6 @@ export class ImageDecryptService {
         // 缓存的是缩略图，尝试找高清图
         const hdPath = this.findHdVariantInSameDir(cached)
         if (hdPath) return hdPath
-        const hdInDir = await this.searchDatFileInDir(dirname(cached), imageDatName, false)
-        if (hdInDir) return hdInDir
       }
     }
 
@@ -640,9 +604,7 @@ export class ImageDecryptService {
     }).catch(() => { })
   }
 
-  private looksLikeMd5(value: string): boolean {
+
-    return /^[a-fA-F0-9]{16,32}$/.test(value)
-  }
 
   private resolveHardlinkDbPath(accountDir: string): string | null {
     const wxid = this.configService.get('myWxid')
@@ -858,7 +820,7 @@ export class ImageDecryptService {
    * 包含：1. 微信旧版结构 filename.substr(0, 2)/...
    *       2. 微信新版结构 msg/attach/{hash}/{YYYY-MM}/Img/filename
    */
-  private async fastProbabilisticSearch(root: string, datName: string): Promise<string | null> {
+  private async fastProbabilisticSearch(root: string, datName: string, _allowThumbnail?: boolean): Promise<string | null> {
     const { promises: fs } = require('fs')
     const { join } = require('path')
 
@@ -894,7 +856,7 @@ export class ImageDecryptService {
         } catch { }
       }
 
-      // --- 策略 B: 新版 Session 哈希路径猜测 ---
+      // --- 绛栫暐 B: 鏂扮増 Session 鍝堝笇璺緞鐚滄祴 ---
       try {
         const entries = await fs.readdir(root, { withFileTypes: true })
         const sessionDirs = entries
@@ -947,7 +909,7 @@ export class ImageDecryptService {
 
   /**
    * 在同一目录下查找高清图变体
-   * 缩略图: xxx_t.dat -> 高清图: xxx_h.dat 或 xxx.dat
+   * 缩略图 xxx_t.dat -> 高清图 xxx_h.dat 或 xxx.dat
    */
   private findHdVariantInSameDir(thumbPath: string): string | null {
     try {
@@ -1029,55 +991,6 @@ export class ImageDecryptService {
     })
   }
 
-  private matchesDatName(fileName: string, datName: string): boolean {
-    const lower = fileName.toLowerCase()
-    const base = lower.endsWith('.dat') ? lower.slice(0, -4) : lower
-    const normalizedBase = this.normalizeDatBase(base)
-    const normalizedTarget = this.normalizeDatBase(datName.toLowerCase())
-    if (normalizedBase === normalizedTarget) return true
-    const pattern = new RegExp(`^${datName}(?:[._][a-z])?\\.dat$`, 'i')
-    if (pattern.test(lower)) return true
-    return lower.endsWith('.dat') && lower.includes(datName)
-  }
-
-  private scoreDatName(fileName: string): number {
-    if (fileName.includes('.t.dat') || fileName.includes('_t.dat')) return 1
-    if (fileName.includes('.c.dat') || fileName.includes('_c.dat')) return 1
-    return 2
-  }
-
-  private isThumbnailDat(fileName: string): boolean {
-    return fileName.includes('.t.dat') || fileName.includes('_t.dat')
-  }
-
-  private hasXVariant(baseLower: string): boolean {
-    return /[._][a-z]$/.test(baseLower)
-  }
-
-  private isThumbnailPath(filePath: string): boolean {
-    const lower = basename(filePath).toLowerCase()
-    if (this.isThumbnailDat(lower)) return true
-    const ext = extname(lower)
-    const base = ext ? lower.slice(0, -ext.length) : lower
-    // 支持新命名 _thumb 和旧命名 _t
-    return base.endsWith('_t') || base.endsWith('_thumb')
-  }
-
-  private isHdPath(filePath: string): boolean {
-    const lower = basename(filePath).toLowerCase()
-    const ext = extname(lower)
-    const base = ext ? lower.slice(0, -ext.length) : lower
-    return base.endsWith('_hd') || base.endsWith('_h')
-  }
-
-  private hasImageVariantSuffix(baseLower: string): boolean {
-    return /[._][a-z]$/.test(baseLower)
-  }
-
-  private isLikelyImageDatBase(baseLower: string): boolean {
-    return this.hasImageVariantSuffix(baseLower) || this.looksLikeMd5(baseLower)
-  }
-
   private normalizeDatBase(name: string): string {
     let base = name.toLowerCase()
     if (base.endsWith('.dat') || base.endsWith('.jpg')) {
@@ -1089,27 +1002,16 @@ export class ImageDecryptService {
     return base
   }
 
-  private sanitizeDirName(name: string): string {
+  private hasImageVariantSuffix(baseLower: string): boolean {
-    const trimmed = name.trim()
+    return /[._][a-z]$/.test(baseLower)
-    if (!trimmed) return 'unknown'
-    return trimmed.replace(/[<>:"/\\|?*]/g, '_')
   }
 
-  private resolveTimeDir(datPath: string): string {
+  private isLikelyImageDatBase(baseLower: string): boolean {
-    const parts = datPath.split(/[\\/]+/)
+    return this.hasImageVariantSuffix(baseLower) || this.looksLikeMd5(baseLower)
-    for (const part of parts) {
-      if (/^\d{4}-\d{2}$/.test(part)) return part
-    }
-    try {
-      const stat = statSync(datPath)
-      const year = stat.mtime.getFullYear()
-      const month = String(stat.mtime.getMonth() + 1).padStart(2, '0')
-      return `${year}-${month}`
-    } catch {
-      return 'unknown-time'
-    }
   }
 
+
+
   private findCachedOutput(cacheKey: string, preferHd: boolean = false, sessionId?: string): string | null {
     const allRoots = this.getAllCacheRoots()
     const normalizedKey = this.normalizeDatBase(cacheKey.toLowerCase())
@@ -1344,14 +1246,14 @@ export class ImageDecryptService {
   private async ensureCacheIndexed(): Promise<void> {
     if (this.cacheIndexed) return
     if (this.cacheIndexing) return this.cacheIndexing
-    this.cacheIndexing = new Promise((resolve) => {
+    this.cacheIndexing = (async () => {
       // 扫描所有可能的缓存根目录
       const allRoots = this.getAllCacheRoots()
       this.logInfo('开始索引缓存', { roots: allRoots.length })
 
       for (const root of allRoots) {
         try {
-          this.indexCacheDir(root, 3, 0) // 增加深度到3，支持 sessionId/YYYY-MM 结构
+          this.indexCacheDir(root, 3, 0) // 增加深度到 3，支持 sessionId/YYYY-MM 结构
         } catch (e) {
           this.logError('索引目录失败', e, { root })
         }
@@ -1360,8 +1262,7 @@ export class ImageDecryptService {
       this.logInfo('缓存索引完成', { entries: this.resolvedCache.size })
       this.cacheIndexed = true
       this.cacheIndexing = null
-      resolve()
+    })()
-    })
     return this.cacheIndexing
   }
 
@@ -1564,14 +1465,14 @@ export class ImageDecryptService {
 
   private bytesToInt32(bytes: Buffer): number {
     if (bytes.length !== 4) {
-      throw new Error('需要4个字节')
+      throw new Error('需要 4 个字节')
     }
     return bytes[0] | (bytes[1] << 8) | (bytes[2] << 16) | (bytes[3] << 24)
   }
 
   asciiKey16(keyString: string): Buffer {
     if (keyString.length < 16) {
-      throw new Error('AES密钥至少需要16个字符')
+      throw new Error('AES密钥至少需要 16 个字符')
     }
     return Buffer.from(keyString, 'ascii').subarray(0, 16)
   }
@@ -1738,76 +1639,6 @@ export class ImageDecryptService {
     return mostCommonKey
   }
 
-  /**
-   * 检查图片对应的 live 视频缓存，返回 file:// URL 或 undefined
-   * 已确认无 live 的路径会被记录，下次直接跳过
-   */
-  private checkLiveVideoCache(imagePath: string): string | undefined {
-    if (this.noLiveSet.has(imagePath)) return undefined
-    const livePath = imagePath.replace(/\.(jpg|jpeg|png)$/i, '_live.mp4')
-    if (existsSync(livePath)) return this.filePathToUrl(livePath)
-    this.noLiveSet.add(imagePath)
-    return undefined
-  }
-
-  /**
-   * 检测并分离 Motion Photo（实况照片）
-   * Google Motion Photo = JPEG + MP4 拼接在一起
-   * 返回视频文件路径，如果不是实况照片则返回 null
-   */
-  private async extractMotionPhotoVideo(imagePath: string, imageBuffer: Buffer): Promise<string | null> {
-    // 只处理 JPEG 文件
-    if (imageBuffer.length < 8) return null
-    if (imageBuffer[0] !== 0xff || imageBuffer[1] !== 0xd8) return null
-
-    // 从末尾向前搜索 MP4 ftyp 原子签名
-    // ftyp 原子结构: [4字节大小][ftyp(66 74 79 70)][品牌...]
-    // 实际起始位置在 ftyp 前4字节（大小字段）
-    const ftypSig = [0x66, 0x74, 0x79, 0x70] // 'ftyp'
-    let videoOffset: number | null = null
-
-    const searchEnd = Math.max(0, imageBuffer.length - 8)
-    for (let i = searchEnd; i > 0; i--) {
-      if (imageBuffer[i] === ftypSig[0] &&
-        imageBuffer[i + 1] === ftypSig[1] &&
-        imageBuffer[i + 2] === ftypSig[2] &&
-        imageBuffer[i + 3] === ftypSig[3]) {
-        // ftyp 前4字节是 box size，实际 MP4 从这里开始
-        videoOffset = i - 4
-        break
-      }
-    }
-
-    // 备用：从 XMP 元数据中读取偏移量
-    if (videoOffset === null || videoOffset <= 0) {
-      try {
-        const text = imageBuffer.toString('latin1')
-        const match = text.match(/MediaDataOffset="(\d+)"/i) || text.match(/MicroVideoOffset="(\d+)"/i)
-        if (match) {
-          const offset = parseInt(match[1], 10)
-          if (offset > 0 && offset < imageBuffer.length) {
-            videoOffset = imageBuffer.length - offset
-          }
-        }
-      } catch { }
-    }
-
-    if (videoOffset === null || videoOffset <= 100) return null
-
-    // 验证视频部分确实以有效 MP4 数据开头
-    const videoStart = imageBuffer[videoOffset + 4] === 0x66 &&
-      imageBuffer[videoOffset + 5] === 0x74 &&
-      imageBuffer[videoOffset + 6] === 0x79 &&
-      imageBuffer[videoOffset + 7] === 0x70
-    if (!videoStart) return null
-
-    // 写出视频文件
-    const videoPath = imagePath.replace(/\.(jpg|jpeg|png)$/i, '_live.mp4')
-    const videoBuffer = imageBuffer.slice(videoOffset)
-    await writeFile(videoPath, videoBuffer)
-    return videoPath
-  }
-
   /**
    * 解包 wxgf 格式
    * wxgf 是微信的图片格式，内部使用 HEVC 编码
@@ -1854,7 +1685,7 @@ export class ImageDecryptService {
   }
 
   /**
-   * 从 wxgf 数据中提取 HEVC NALU 裸流
+   * 浠?wxgf 鏁版嵁涓彁鍙?HEVC NALU 瑁告祦
    */
   private extractHevcNalu(buffer: Buffer): Buffer | null {
     const nalUnits: Buffer[] = []
@@ -2006,6 +1837,44 @@ export class ImageDecryptService {
     })
   }
 
+  private looksLikeMd5(s: string): boolean {
+    return /^[a-f0-9]{32}$/i.test(s)
+  }
+
+  private isThumbnailDat(name: string): boolean {
+    const lower = name.toLowerCase()
+    return lower.includes('_t.dat') || lower.includes('.t.dat') || lower.includes('_thumb.dat')
+  }
+
+  private hasXVariant(base: string): boolean {
+    const lower = base.toLowerCase()
+    return lower.endsWith('_h') || lower.endsWith('_hd') || lower.endsWith('_thumb') || lower.endsWith('_t')
+  }
+
+  private isHdPath(p: string): boolean {
+    return p.toLowerCase().includes('_hd') || p.toLowerCase().includes('_h')
+  }
+
+  private isThumbnailPath(p: string): boolean {
+    const lower = p.toLowerCase()
+    return lower.includes('_thumb') || lower.includes('_t') || lower.includes('.t.')
+  }
+
+  private sanitizeDirName(s: string): string {
+    return s.replace(/[<>:"/\\|?*]/g, '_').trim() || 'unknown'
+  }
+
+  private resolveTimeDir(filePath: string): string {
+    try {
+      const stats = statSync(filePath)
+      const d = new Date(stats.mtime)
+      return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}`
+    } catch {
+      const d = new Date()
+      return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}`
+    }
+  }
+
   // 保留原有的解密到文件方法（用于兼容）
   async decryptToFile(inputPath: string, outputPath: string, xorKey: number, aesKey?: Buffer): Promise<void> {
     const version = this.getDatVersion(inputPath)
@@ -2018,7 +1887,7 @@ export class ImageDecryptService {
       decrypted = this.decryptDatV4(inputPath, xorKey, key)
     } else {
       if (!aesKey || aesKey.length !== 16) {
-        throw new Error('V4版本需要16字节AES密钥')
+        throw new Error('V4版本需要 16 字节 AES 密钥')
       }
       decrypted = this.decryptDatV4(inputPath, xorKey, aesKey)
     }

electron/services/keyService.ts

@@ -1,9 +1,8 @@
 import { app } from 'electron'
-import { join, dirname, basename } from 'path'
+import { join, dirname } from 'path'
-import { existsSync, readdirSync, readFileSync, statSync, copyFileSync, mkdirSync } from 'fs'
+import { existsSync, copyFileSync, mkdirSync } from 'fs'
 import { execFile, spawn } from 'child_process'
 import { promisify } from 'util'
-import { Worker } from 'worker_threads'
 import os from 'os'
 
 const execFileAsync = promisify(execFile)
@@ -20,13 +19,14 @@ export class KeyService {
   private getStatusMessage: any = null
   private cleanupHook: any = null
   private getLastErrorMsg: any = null
+  private getImageKeyDll: any = null
 
   // Win32 APIs
   private kernel32: any = null
   private user32: any = null
   private advapi32: any = null
 
-  // Kernel32 (已移除内存扫描相关的 API)
+  // Kernel32
   private OpenProcess: any = null
   private CloseHandle: any = null
   private TerminateProcess: any = null
@@ -126,6 +126,7 @@ export class KeyService {
       this.getStatusMessage = this.lib.func('bool GetStatusMessage(_Out_ char *msgBuffer, int bufferSize, _Out_ int *outLevel)')
       this.cleanupHook = this.lib.func('bool CleanupHook()')
       this.getLastErrorMsg = this.lib.func('const char* GetLastErrorMsg()')
+      this.getImageKeyDll = this.lib.func('bool GetImageKey(_Out_ char *resultBuffer, int bufferSize)')
 
       this.initialized = true
       return true
@@ -145,8 +146,6 @@ export class KeyService {
     try {
       this.koffi = require('koffi')
       this.kernel32 = this.koffi.load('kernel32.dll')
-
-      // 直接使用原生支持的 'void*' 替换 'HANDLE'，绝对不会再报类型错误
       this.OpenProcess = this.kernel32.func('OpenProcess', 'void*', ['uint32', 'bool', 'uint32'])
       this.CloseHandle = this.kernel32.func('CloseHandle', 'bool', ['void*'])
       this.TerminateProcess = this.kernel32.func('TerminateProcess', 'bool', ['void*', 'uint32'])
@@ -638,365 +637,68 @@ export class KeyService {
     return { success: false, error: '获取密钥超时', logs }
   }
 
-  // --- Image Key Stuff (Refactored to Multi-core Crypto Brute Force) ---
+  // --- Image Key (通过 DLL 从缓存目录直接获取) ---
-
-  private isAccountDir(dirPath: string): boolean {
-    return (
-        existsSync(join(dirPath, 'db_storage')) ||
-        existsSync(join(dirPath, 'FileStorage', 'Image')) ||
-        existsSync(join(dirPath, 'FileStorage', 'Image2'))
-    )
-  }
-
-  private isPotentialAccountName(name: string): boolean {
-    const lower = name.toLowerCase()
-    if (lower.startsWith('all') || lower.startsWith('applet') || lower.startsWith('backup') || lower.startsWith('wmpf')) return false
-    if (lower.startsWith('wxid_')) return true
-    if (/^\d+$/.test(name) && name.length >= 6) return true
-    return name.length > 5
-  }
-
-  private listAccountDirs(rootDir: string): string[] {
-    try {
-      const entries = readdirSync(rootDir)
-      const high: string[] = []
-      const low: string[] = []
-      for (const entry of entries) {
-        const fullPath = join(rootDir, entry)
-        try {
-          if (!statSync(fullPath).isDirectory()) continue
-        } catch { continue }
-
-        if (!this.isPotentialAccountName(entry)) continue
-
-        if (this.isAccountDir(fullPath)) high.push(fullPath)
-        else low.push(fullPath)
-      }
-      return high.length ? high.sort() : low.sort()
-    } catch {
-      return []
-    }
-  }
-
-  private normalizeExistingDir(inputPath: string): string | null {
-    const trimmed = inputPath.replace(/[\\\\/]+$/, '')
-    if (!existsSync(trimmed)) return null
-    try {
-      const stats = statSync(trimmed)
-      if (stats.isFile()) return dirname(trimmed)
-    } catch {
-      return null
-    }
-    return trimmed
-  }
-
-  private resolveAccountDirFromPath(inputPath: string): string | null {
-    const normalized = this.normalizeExistingDir(inputPath)
-    if (!normalized) return null
-
-    if (this.isAccountDir(normalized)) return normalized
-
-    const lower = normalized.toLowerCase()
-    if (lower.endsWith('db_storage') || lower.endsWith('filestorage') || lower.endsWith('image') || lower.endsWith('image2')) {
-      const parent = dirname(normalized)
-      if (this.isAccountDir(parent)) return parent
-      const grandParent = dirname(parent)
-      if (this.isAccountDir(grandParent)) return grandParent
-    }
-
-    const candidates = this.listAccountDirs(normalized)
-    if (candidates.length) return candidates[0]
-    return null
-  }
-
-  private resolveAccountDir(manualDir?: string): string | null {
-    if (manualDir) {
-      const resolved = this.resolveAccountDirFromPath(manualDir)
-      if (resolved) return resolved
-    }
-
-    const userProfile = process.env.USERPROFILE
-    if (!userProfile) return null
-    const roots = [
-      join(userProfile, 'Documents', 'xwechat_files'),
-      join(userProfile, 'Documents', 'WeChat Files')
-    ]
-    for (const root of roots) {
-      if (!existsSync(root)) continue
-      const candidates = this.listAccountDirs(root)
-      if (candidates.length) return candidates[0]
-    }
-    return null
-  }
-
-  private findTemplateDatFiles(rootDir: string): string[] {
-    const files: string[] = []
-    const stack = [rootDir]
-    const maxFiles = 256
-    while (stack.length && files.length < maxFiles) {
-      const dir = stack.pop() as string
-      let entries: string[]
-      try {
-        entries = readdirSync(dir)
-      } catch { continue }
-      for (const entry of entries) {
-        const fullPath = join(dir, entry)
-        let stats: any
-        try {
-          stats = statSync(fullPath)
-        } catch { continue }
-        if (stats.isDirectory()) {
-          stack.push(fullPath)
-        } else if (entry.endsWith('_t.dat')) {
-          files.push(fullPath)
-          if (files.length >= maxFiles) break
-        }
-      }
-    }
-
-    if (!files.length) return []
-    const dateReg = /(\d{4}-\d{2})/
-    files.sort((a, b) => {
-      const ma = a.match(dateReg)?.[1]
-      const mb = b.match(dateReg)?.[1]
-      if (ma && mb) return mb.localeCompare(ma)
-      return 0
-    })
-    return files.slice(0, 128)
-  }
-
-  private getXorKey(templateFiles: string[]): number | null {
-    const counts = new Map<number, number>()
-    const tailSignatures = [
-      Buffer.from([0xFF, 0xD9]),
-      Buffer.from([0x49, 0x45, 0x4E, 0x44, 0xAE, 0x42, 0x60, 0x82])
-    ]
-    for (const file of templateFiles) {
-      try {
-        const bytes = readFileSync(file)
-        for (const signature of tailSignatures) {
-          if (bytes.length < signature.length) continue
-          const tail = bytes.subarray(bytes.length - signature.length)
-          const xorKey = tail[0] ^ signature[0]
-          let valid = true
-          for (let i = 1; i < signature.length; i++) {
-            if ((tail[i] ^ xorKey) !== signature[i]) {
-              valid = false
-              break
-            }
-          }
-          if (valid) counts.set(xorKey, (counts.get(xorKey) ?? 0) + 1)
-        }
-      } catch { }
-    }
-    if (!counts.size) return null
-    let bestKey: number | null = null
-    let bestCount = 0
-    for (const [key, count] of counts) {
-      if (count > bestCount) {
-        bestCount = count
-        bestKey = key
-      }
-    }
-    return bestKey
-  }
-
-  // 改为返回 Buffer 数组，收集最多2个样本用于双重校验
-  private getCiphertextsFromTemplate(templateFiles: string[]): Buffer[] {
-    const ciphertexts: Buffer[] = []
-    for (const file of templateFiles) {
-      try {
-        const bytes = readFileSync(file)
-        if (bytes.length < 0x1f) continue
-        // 匹配微信 DAT 文件的特定头部特征
-        if (
-            bytes[0] === 0x07 && bytes[1] === 0x08 && bytes[2] === 0x56 &&
-            bytes[3] === 0x32 && bytes[4] === 0x08 && bytes[5] === 0x07
-        ) {
-          ciphertexts.push(bytes.subarray(0x0f, 0x1f))
-          // 收集到 2 个样本就足够做双重校验了
-          if (ciphertexts.length >= 2) break
-        }
-      } catch { }
-    }
-    return ciphertexts
-  }
-
-  private async bruteForceAesKey(
-      xorKey: number,
-      wxid: string,
-      ciphertexts: Buffer[],
-      onProgress?: (msg: string) => void
-  ): Promise<string | null> {
-    const numCores = os.cpus().length || 4
-    const totalCombinations = 1 << 24 // 16,777,216 种可能性
-    const chunkSize = Math.ceil(totalCombinations / numCores)
-
-    onProgress?.(`准备启动 ${numCores} 个线程进行极速爆破...`)
-
-    const workerCode = `
-      const { parentPort, workerData } = require('worker_threads');
-      const crypto = require('crypto');
-
-      const { start, end, xorKey, wxid, cipherHexList } = workerData;
-      const ciphertexts = cipherHexList.map(hex => Buffer.from(hex, 'hex'));
-
-      function verifyKey(cipher, keyStr) {
-        try {
-          const decipher = crypto.createDecipheriv('aes-128-ecb', keyStr, null);
-          decipher.setAutoPadding(false);
-          const decrypted = Buffer.concat([decipher.update(cipher), decipher.final()]);
-          const isJpeg = decrypted.length >= 3 && decrypted[0] === 0xff && decrypted[1] === 0xd8 && decrypted[2] === 0xff;
-          const isPng = decrypted.length >= 8 && decrypted[0] === 0x89 && decrypted[1] === 0x50 && decrypted[2] === 0x4e && decrypted[3] === 0x47;
-          return isJpeg || isPng;
-        } catch {
-          return false;
-        }
-      }
-
-      let found = null;
-      for (let upper = end - 1; upper >= start; upper--) {
-        // 我就写 -- 
-        if (upper % 100000 === 0 && upper !== start) {
-          parentPort.postMessage({ type: 'progress', scanned: 100000 });
-        }
-
-        const number = (upper * 256) + xorKey; 
-
-        // 1. 无符号整数校验
-        const strUnsigned = number.toString(10) + wxid;
-        const md5Unsigned = crypto.createHash('md5').update(strUnsigned).digest('hex').slice(0, 16);
-        
-        let isValidUnsigned = true;
-        for (const cipher of ciphertexts) {
-          if (!verifyKey(cipher, md5Unsigned)) {
-            isValidUnsigned = false;
-            break;
-          }
-        }
-        if (isValidUnsigned) {
-          found = md5Unsigned;
-          break;
-        }
-
-        // 2. 带符号整数校验 (溢出边界情况)
-        if (number > 0x7FFFFFFF) {
-           const strSigned = (number | 0).toString(10) + wxid;
-           const md5Signed = crypto.createHash('md5').update(strSigned).digest('hex').slice(0, 16);
-           
-           let isValidSigned = true;
-           for (const cipher of ciphertexts) {
-             if (!verifyKey(cipher, md5Signed)) {
-               isValidSigned = false;
-               break;
-             }
-           }
-           if (isValidSigned) {
-             found = md5Signed;
-             break;
-           }
-        }
-      }
-
-      if (found) {
-        parentPort.postMessage({ type: 'success', key: found });
-      } else {
-        parentPort.postMessage({ type: 'done' });
-      }
-    `
-
-    return new Promise((resolve) => {
-      let activeWorkers = numCores
-      let resolved = false
-      let totalScanned = 0 // 总进度计数器
-      const workers: Worker[] = []
-
-      const cleanup = () => {
-        for (const w of workers) w.terminate()
-      }
-
-      for (let i = 0; i < numCores; i++) {
-        const start = i * chunkSize
-        const end = Math.min(start + chunkSize, totalCombinations)
-
-        const worker = new Worker(workerCode, {
-          eval: true,
-          workerData: {
-            start,
-            end,
-            xorKey,
-            wxid,
-            cipherHexList: ciphertexts.map(c => c.toString('hex')) // 传入数组
-          }
-        })
-        workers.push(worker)
-
-        worker.on('message', (msg) => {
-          if (!msg) return
-          if (msg.type === 'progress') {
-            totalScanned += msg.scanned
-            const percent = ((totalScanned / totalCombinations) * 100).toFixed(1)
-            // 优化文案，并确保包含 (xx.x%) 供前端解析
-            onProgress?.(`多核爆破引擎运行中：已扫描 ${(totalScanned / 10000).toFixed(0)} 万个密钥空间 (${percent}%)`)
-          } else if (msg.type === 'success' && !resolved) {
-            resolved = true
-            cleanup()
-            resolve(msg.key)
-          } else if (msg.type === 'done') {
-            // 单个 worker 跑完了没有找到（计数统一在 exit 事件处理）
-          }
-        })
-
-        worker.on('error', (err) => {
-          console.error('Worker error:', err)
-        })
-
-        // 统一在 exit 事件中做完成计数，避免 done/error + exit 双重递减
-        worker.on('exit', () => {
-          activeWorkers--
-          if (activeWorkers === 0 && !resolved) resolve(null)
-        })
-      }
-    })
-  }
 
   async autoGetImageKey(
       manualDir?: string,
       onProgress?: (message: string) => void
   ): Promise<ImageKeyResult> {
-    onProgress?.('正在定位微信账号数据目录...')
+    if (!this.ensureWin32()) return { success: false, error: '仅支持 Windows' }
-    const accountDir = this.resolveAccountDir(manualDir)
+    if (!this.ensureLoaded()) return { success: false, error: 'wx_key.dll 未加载' }
-    if (!accountDir) return { success: false, error: '未找到微信账号目录' }
 
-    let wxid = basename(accountDir)
+    onProgress?.('正在从缓存目录扫描图片密钥...')
-    wxid = wxid.replace(/_[0-9a-fA-F]{4}$/, '')
 
-    onProgress?.('正在收集并分析加密模板文件...')
+    const resultBuffer = Buffer.alloc(8192)
-    const templateFiles = this.findTemplateDatFiles(accountDir)
+    const ok = this.getImageKeyDll(resultBuffer, resultBuffer.length)
-    if (!templateFiles.length) return { success: false, error: '未找到模板文件' }
 
-    onProgress?.('正在计算特征 XOR 密钥...')
+    if (!ok) {
-    const xorKey = this.getXorKey(templateFiles)
+      const errMsg = this.getLastErrorMsg ? this.decodeCString(this.getLastErrorMsg()) : '获取图片密钥失败'
-    if (xorKey == null) return { success: false, error: '无法计算 XOR 密钥' }
+      return { success: false, error: errMsg }
+    }
 
-    onProgress?.('正在读取加密模板区块...')
+    const jsonStr = this.decodeUtf8(resultBuffer)
-    const ciphertexts = this.getCiphertextsFromTemplate(templateFiles)
+    let parsed: any
-    if (ciphertexts.length < 2) return { success: false, error: '可用的加密样本不足（至少需要2个），请确认账号目录下有足够的模板图片' }
+    try {
+      parsed = JSON.parse(jsonStr)
+    } catch {
+      return { success: false, error: '解析密钥数据失败' }
+    }
 
-    onProgress?.(`成功提取 ${ciphertexts.length} 个特征样本，准备交叉校验...`)
+    // 从 manualDir 中提取 wxid 用于精确匹配
-    onProgress?.(`准备启动 ${os.cpus().length || 4} 线程并发爆破引擎 (基于 wxid: ${wxid})...`)
+    // 前端传入的格式是 dbPath/wxid_xxx_1234，取最后一段目录名再清理后缀
-
+    let targetWxid: string | null = null
-    const aesKey = await this.bruteForceAesKey(xorKey, wxid, ciphertexts, (msg) => {
+    if (manualDir) {
-      onProgress?.(msg)
+      const dirName = manualDir.replace(/[\\/]+$/, '').split(/[\\/]/).pop() ?? ''
-    })
+      // 与 DLL 的 CleanWxid 逻辑一致：wxid_a_b_c → wxid_a
-
+      const parts = dirName.split('_')
-    if (!aesKey) {
+      if (parts.length >= 3 && parts[0] === 'wxid') {
-      return {
+        targetWxid = `${parts[0]}_${parts[1]}`
-        success: false,
+      } else if (dirName.startsWith('wxid_')) {
-        error: 'AES 密钥爆破失败，请确认该账号近期是否有接收过图片，或更换账号目录重试'
+        targetWxid = dirName
       }
     }
 
-    return { success: true, xorKey, aesKey }
+    const accounts: any[] = parsed.accounts ?? []
+    if (!accounts.length) {
+      return { success: false, error: '未找到有效的密钥组合' }
+    }
+
+    // 优先匹配 wxid，找不到则回退到第一个
+    const matchedAccount = targetWxid
+      ? (accounts.find((a: any) => a.wxid === targetWxid) ?? accounts[0])
+      : accounts[0]
+
+    if (!matchedAccount?.keys?.length) {
+      return { success: false, error: '未找到有效的密钥组合' }
+    }
+
+    const firstKey = matchedAccount.keys[0]
+    onProgress?.(`密钥获取成功 (wxid: ${matchedAccount.wxid}, code: ${firstKey.code})`)
+
+    return {
+      success: true,
+      xorKey: firstKey.xorKey,
+      aesKey: firstKey.aesKey
+    }
   }
 }

electron/services/videoService.ts

@@ -235,9 +235,23 @@ class VideoService {
                 const videoPath = join(dirPath, `${realVideoMd5}.mp4`)
 
                 if (existsSync(videoPath)) {
-                    this.log('找到视频', { videoPath })
+                    // 封面/缩略图使用不带 _raw 后缀的基础名（自己发的视频文件名带 _raw，但封面不带）
-                    const coverPath = join(dirPath, `${realVideoMd5}.jpg`)
+                    const baseMd5 = realVideoMd5.replace(/_raw$/, '')
-                    const thumbPath = join(dirPath, `${realVideoMd5}_thumb.jpg`)
+                    const coverPath = join(dirPath, `${baseMd5}.jpg`)
+                    const thumbPath = join(dirPath, `${baseMd5}_thumb.jpg`)
+
+                    // 列出同目录下与该 md5 相关的所有文件，帮助排查封面命名
+                    const allFiles = readdirSync(dirPath)
+                    const relatedFiles = allFiles.filter(f => f.toLowerCase().startsWith(realVideoMd5.slice(0, 8).toLowerCase()))
+                    this.log('找到视频，相关文件列表', {
+                        videoPath,
+                        coverExists: existsSync(coverPath),
+                        thumbExists: existsSync(thumbPath),
+                        relatedFiles,
+                        coverPath,
+                        thumbPath
+                    })
+
                     return {
                         videoUrl: videoPath,
                         coverUrl: this.fileToDataUrl(coverPath, 'image/jpeg'),
@@ -247,11 +261,28 @@ class VideoService {
                 }
             }
 
-            // 没找到，列出第一个目录里的文件帮助排查
+            // 没找到，列出所有目录里的 mp4 文件帮助排查（最多每目录 10 个）
-            if (yearMonthDirs.length > 0) {
+            this.log('未找到视频，开始全目录扫描', {
-                const firstDir = join(videoBaseDir, yearMonthDirs[0])
+                lookingForOriginal: `${videoMd5}.mp4`,
-                const files = readdirSync(firstDir).filter(f => f.endsWith('.mp4')).slice(0, 5)
+                lookingForResolved: `${realVideoMd5}.mp4`,
-                this.log('未找到视频，最新目录样本', { dir: yearMonthDirs[0], sampleFiles: files, lookingFor: `${realVideoMd5}.mp4` })
+                hardlinkResolved: realVideoMd5 !== videoMd5
+            })
+            for (const yearMonth of yearMonthDirs) {
+                const dirPath = join(videoBaseDir, yearMonth)
+                try {
+                    const allFiles = readdirSync(dirPath)
+                    const mp4Files = allFiles.filter(f => f.endsWith('.mp4')).slice(0, 10)
+                    // 检查原始 md5 是否部分匹配（前8位）
+                    const partialMatch = mp4Files.filter(f => f.toLowerCase().startsWith(videoMd5.slice(0, 8).toLowerCase()))
+                    this.log(`目录 ${yearMonth} 扫描结果`, {
+                        totalFiles: allFiles.length,
+                        mp4Count: allFiles.filter(f => f.endsWith('.mp4')).length,
+                        sampleMp4: mp4Files,
+                        partialMatchByOriginalMd5: partialMatch
+                    })
+                } catch (e) {
+                    this.log(`目录 ${yearMonth} 读取失败`, { error: String(e) })
+                }
             }
         } catch (e) {
             this.log('getVideoInfo 遍历出错', { error: String(e) })
@@ -265,41 +296,59 @@ class VideoService {
      * 根据消息内容解析视频MD5
      */
     parseVideoMd5(content: string): string | undefined {
-
-        // 打印前500字符看看 XML 结构
-
         if (!content) return undefined
 
+        // 打印原始 XML 前 800 字符，帮助排查自己发的视频结构
+        this.log('parseVideoMd5 原始内容', { preview: content.slice(0, 800) })
+
         try {
-            // 提取所有可能的 md5 值进行日志
+            // 收集所有 md5 相关属性，方便对比
-            const allMd5s: string[] = []
+            const allMd5Attrs: string[] = []
-            const md5Regex = /(?:md5|rawmd5|newmd5|originsourcemd5)\s*=\s*['"]([a-fA-F0-9]+)['"]/gi
+            const md5Regex = /(?:md5|rawmd5|newmd5|originsourcemd5)\s*=\s*['"]([a-fA-F0-9]*)['"]/gi
             let match
             while ((match = md5Regex.exec(content)) !== null) {
-                allMd5s.push(`${match[0]}`)
+                allMd5Attrs.push(match[0])
+            }
+            this.log('parseVideoMd5 所有 md5 属性', { attrs: allMd5Attrs })
+
+            // 方法1：从 <videomsg md5="..."> 提取（收到的视频）
+            const videoMsgMd5Match = /<videomsg[^>]*\smd5\s*=\s*['"]([a-fA-F0-9]+)['"]/i.exec(content)
+            if (videoMsgMd5Match) {
+                this.log('parseVideoMd5 命中 videomsg md5 属性', { md5: videoMsgMd5Match[1] })
+                return videoMsgMd5Match[1].toLowerCase()
             }
 
-            // 提取 md5（用于查询 hardlink.db）
+            // 方法2：从 <videomsg rawmd5="..."> 提取（自己发的视频，没有 md5 只有 rawmd5）
-            // 注意：不是 rawmd5，rawmd5 是另一个值
+            const rawMd5Match = /<videomsg[^>]*\srawmd5\s*=\s*['"]([a-fA-F0-9]+)['"]/i.exec(content)
-            // 格式: md5="xxx" 或 <md5>xxx</md5>
+            if (rawMd5Match) {
-
+                this.log('parseVideoMd5 命中 videomsg rawmd5 属性（自发视频）', { rawmd5: rawMd5Match[1] })
-            // 尝试从videomsg标签中提取md5
+                return rawMd5Match[1].toLowerCase()
-            const videoMsgMatch = /<videomsg[^>]*\smd5\s*=\s*['"]([a-fA-F0-9]+)['"]/i.exec(content)
-            if (videoMsgMatch) {
-                return videoMsgMatch[1].toLowerCase()
             }
 
-            const attrMatch = /\smd5\s*=\s*['"]([a-fA-F0-9]+)['"]/i.exec(content)
+            // 方法3：任意属性 md5="..."（非 rawmd5/cdnthumbaeskey 等）
+            const attrMatch = /(?<![a-z])md5\s*=\s*['"]([a-fA-F0-9]+)['"]/i.exec(content)
             if (attrMatch) {
+                this.log('parseVideoMd5 命中通用 md5 属性', { md5: attrMatch[1] })
                 return attrMatch[1].toLowerCase()
             }
 
-            const md5Match = /<md5>([a-fA-F0-9]+)<\/md5>/i.exec(content)
+            // 方法4：<md5>...</md5> 标签
-            if (md5Match) {
+            const md5TagMatch = /<md5>([a-fA-F0-9]+)<\/md5>/i.exec(content)
-                return md5Match[1].toLowerCase()
+            if (md5TagMatch) {
+                this.log('parseVideoMd5 命中 md5 标签', { md5: md5TagMatch[1] })
+                return md5TagMatch[1].toLowerCase()
             }
+
+            // 方法5：兜底取 rawmd5 属性（任意位置）
+            const rawMd5Fallback = /\srawmd5\s*=\s*['"]([a-fA-F0-9]+)['"]/i.exec(content)
+            if (rawMd5Fallback) {
+                this.log('parseVideoMd5 兜底命中 rawmd5', { rawmd5: rawMd5Fallback[1] })
+                return rawMd5Fallback[1].toLowerCase()
+            }
+
+            this.log('parseVideoMd5 未提取到任何 md5', { contentLength: content.length })
         } catch (e) {
-            console.error('[VideoService] 解析视频MD5失败:', e)
+            this.log('parseVideoMd5 异常', { error: String(e) })
         }
 
         return undefined

src/components/GlobalSessionMonitor.tsx

@@ -257,7 +257,8 @@ export function GlobalSessionMonitor() {
     const handleActiveSessionRefresh = async (sessionId: string) => {
         // 从 ChatPage 复制/调整的逻辑，以保持集中
         const state = useChatStore.getState()
-        const lastMsg = state.messages[state.messages.length - 1]
+        const msgs = state.messages || []
+        const lastMsg = msgs[msgs.length - 1]
         const minTime = lastMsg?.createTime || 0
 
         try {

src/components/NotificationToast.scss

@@ -48,18 +48,26 @@
         backdrop-filter: none !important;
         -webkit-backdrop-filter: none !important;
 
-        // 确保背景完全不透明（通知是独立窗口，透明背景会穿透）
+        // 独立通知窗口：默认使用浅色模式硬编码值，确保不依赖 <html> 上的主题属性
-        background: var(--bg-secondary-solid, var(--bg-secondary, #2c2c2c));
+        background: #ffffff;
-        color: var(--text-primary, #ffffff);
+        color: #3d3d3d;
+        --text-primary: #3d3d3d;
+        --text-secondary: #666666;
+        --text-tertiary: #999999;
+        --border-light: rgba(0, 0, 0, 0.08);
 
-        // 浅色模式强制完全不透明白色背景
+        // 深色模式覆盖
-        [data-mode="light"] &,
+        [data-mode="dark"] & {
-        :not([data-mode]) & {
+            background: var(--bg-secondary-solid, #282420);
-            background: #ffffff !important;
+            color: var(--text-primary, #F0EEE9);
+            --text-primary: #F0EEE9;
+            --text-secondary: #b3b0aa;
+            --text-tertiary: #807d78;
+            --border-light: rgba(255, 255, 255, 0.1);
         }
 
         box-shadow: none !important; // NO SHADOW
-        border: 1px solid var(--border-light, rgba(255, 255, 255, 0.1));
+        border: 1px solid var(--border-light);
 
         display: flex;
         padding: 16px;

src/pages/ChatPage.tsx

@@ -768,7 +768,7 @@ function ChatPage(_props: ChatPageProps) {
     setIsRefreshingMessages(true)
 
     // 找出当前已渲染消息中的最大时间戳（使用 getState 获取最新状态，避免闭包过时导致重复）
-    const currentMessages = useChatStore.getState().messages
+    const currentMessages = useChatStore.getState().messages || []
     const lastMsg = currentMessages[currentMessages.length - 1]
     const minTime = lastMsg?.createTime || 0
 
@@ -782,7 +782,7 @@ function ChatPage(_props: ChatPageProps) {
 
       if (result.success && result.messages && result.messages.length > 0) {
         // 过滤去重：必须对比实时的状态，防止在 handleRefreshMessages 运行期间导致的冲突
-        const latestMessages = useChatStore.getState().messages
+        const latestMessages = useChatStore.getState().messages || []
         const existingKeys = new Set(latestMessages.map(getMessageKey))
         const newOnes = result.messages.filter(m => !existingKeys.has(getMessageKey(m)))
 
@@ -823,7 +823,7 @@ function ChatPage(_props: ChatPageProps) {
         return
       }
       // 使用实时状态进行去重对比
-      const latestMessages = useChatStore.getState().messages
+      const latestMessages = useChatStore.getState().messages || []
       const existing = new Set(latestMessages.map(getMessageKey))
       const lastMsg = latestMessages[latestMessages.length - 1]
       const lastTime = lastMsg?.createTime ?? 0
@@ -1751,7 +1751,7 @@ function ChatPage(_props: ChatPageProps) {
 
       // Range selection with Shift key
       if (isShiftKey && lastSelectedIdRef.current !== null && lastSelectedIdRef.current !== localId) {
-        const currentMsgs = useChatStore.getState().messages
+        const currentMsgs = useChatStore.getState().messages || []
         const idx1 = currentMsgs.findIndex(m => m.localId === lastSelectedIdRef.current)
         const idx2 = currentMsgs.findIndex(m => m.localId === localId)
 
@@ -1821,7 +1821,7 @@ function ChatPage(_props: ChatPageProps) {
       const dbPathHint = (msg as any)._db_path
       const result = await (window as any).electronAPI.chat.deleteMessage(currentSessionId, msg.localId, msg.createTime, dbPathHint)
       if (result.success) {
-        const currentMessages = useChatStore.getState().messages
+        const currentMessages = useChatStore.getState().messages || []
         const newMessages = currentMessages.filter(m => m.localId !== msg.localId)
         useChatStore.getState().setMessages(newMessages)
       } else {
@@ -1882,7 +1882,7 @@ function ChatPage(_props: ChatPageProps) {
       try {
         const result = await (window as any).electronAPI.chat.updateMessage(currentSessionId, editingMessage.message.localId, editingMessage.message.createTime, finalContent)
         if (result.success) {
-          const currentMessages = useChatStore.getState().messages
+          const currentMessages = useChatStore.getState().messages || []
           const newMessages = currentMessages.map(m => {
             if (m.localId === editingMessage.message.localId) {
               return { ...m, parsedContent: finalContent, content: finalContent, rawContent: finalContent }
@@ -1924,7 +1924,7 @@ function ChatPage(_props: ChatPageProps) {
     cancelDeleteRef.current = false
 
     try {
-      const currentMessages = useChatStore.getState().messages
+      const currentMessages = useChatStore.getState().messages || []
       const selectedIds = Array.from(selectedMessages)
       const deletedIds = new Set<number>()
 
@@ -1948,7 +1948,7 @@ function ChatPage(_props: ChatPageProps) {
         setDeleteProgress({ current: i + 1, total: selectedIds.length })
       }
 
-      const finalMessages = useChatStore.getState().messages.filter(m => !deletedIds.has(m.localId))
+      const finalMessages = (useChatStore.getState().messages || []).filter(m => !deletedIds.has(m.localId))
       useChatStore.getState().setMessages(finalMessages)
 
       setIsSelectionMode(false)
@@ -2137,7 +2137,7 @@ function ChatPage(_props: ChatPageProps) {
                 <div className="empty-sessions">
                   <MessageSquare />
                   <p>暂无会话</p>
-                  <p className="hint">请先在数据管理页面解密数据库</p>
+                  <p className="hint">检查你的数据库配置</p>
                 </div>
               )}
             </div>
@@ -2342,7 +2342,7 @@ function ChatPage(_props: ChatPageProps) {
                   </div>
                 )}
 
-                {messages.map((msg, index) => {
+                {(messages || []).map((msg, index) => {
                   const prevMsg = index > 0 ? messages[index - 1] : undefined
                   const showDateDivider = shouldShowDateDivider(msg, prevMsg)
 

src/pages/NotificationWindow.tsx

@@ -1,11 +1,9 @@
 import { useEffect, useState, useRef } from 'react'
 import { NotificationToast, type NotificationData } from '../components/NotificationToast'
-import { useThemeStore } from '../stores/themeStore'
 import '../components/NotificationToast.scss'
 import './NotificationWindow.scss'
 
 export default function NotificationWindow() {
-    const { currentTheme, themeMode } = useThemeStore()
     const [notification, setNotification] = useState<NotificationData | null>(null)
     const [prevNotification, setPrevNotification] = useState<NotificationData | null>(null)
 
@@ -19,12 +17,6 @@ export default function NotificationWindow() {
 
     const notificationRef = useRef<NotificationData | null>(null)
 
-    // 应用主题到通知窗口
-    useEffect(() => {
-        document.documentElement.setAttribute('data-theme', currentTheme)
-        document.documentElement.setAttribute('data-mode', themeMode)
-    }, [currentTheme, themeMode])
-
     useEffect(() => {
         notificationRef.current = notification
     }, [notification])

src/pages/SettingsPage.tsx

@@ -774,7 +774,7 @@ function SettingsPage() {
     }
     setIsFetchingImageKey(true);
     setImageKeyPercent(0)
-    setImageKeyStatus('正在初始化多核爆破引擎...');
+    setImageKeyStatus('正在初始化...');
     setImageKeyProgress(0); // 重置进度
 
     try {
@@ -1377,19 +1377,19 @@ function SettingsPage() {
           <Plug size={14} /> {isFetchingImageKey ? '获取中...' : '自动获取图片密钥'}
         </button>
         {isFetchingImageKey ? (
-            <div className="brute-force-progress">
+          <div className="brute-force-progress">
-              <div className="status-header">
+            <div className="status-header">
-                <span className="status-text">{imageKeyStatus || '正在启动多核爆破引擎...'}</span>
+              <span className="status-text">{imageKeyStatus || '正在启动...'}</span>
-                {imageKeyPercent !== null && <span className="percent">{imageKeyPercent.toFixed(1)}%</span>}
+              {imageKeyPercent !== null && <span className="percent">{imageKeyPercent.toFixed(1)}%</span>}
-              </div>
-              {imageKeyPercent !== null && (
-                  <div className="progress-bar-container">
-                    <div className="fill" style={{ width: `${imageKeyPercent}%` }}></div>
-                  </div>
-              )}
             </div>
+            {imageKeyPercent !== null && (
+              <div className="progress-bar-container">
+                <div className="fill" style={{ width: `${imageKeyPercent}%` }}></div>
+              </div>
+            )}
+          </div>
         ) : (
-            imageKeyStatus && <div className="form-hint status-text" style={{ marginTop: '8px' }}>{imageKeyStatus}</div>
+          imageKeyStatus && <div className="form-hint status-text" style={{ marginTop: '8px' }}>{imageKeyStatus}</div>
         )}
       </div>
 
@@ -2113,8 +2113,8 @@ function SettingsPage() {
             <label>应用锁状态</label>
             <span className="form-hint">{
               isLockMode ? '已开启' :
-              authEnabled ? '旧版模式 — 请重新设置密码以升级为新模式提高安全性' :
+                authEnabled ? '旧版模式 — 请重新设置密码以升级为新模式提高安全性' :
-              '未开启 — 请设置密码以开启'
+                  '未开启 — 请设置密码以开启'
             }</span>
           </div>
           {authEnabled && !showDisableLockInput && (

src/pages/WelcomePage.tsx

@@ -746,52 +746,52 @@ function WelcomePage({ standalone = false }: WelcomePageProps) {
             )}
 
             {currentStep.id === 'image' && (
-                <div className="form-group">
+              <div className="form-group">
-                  <div className="grid-2">
+                <div className="grid-2">
-                    <div>
+                  <div>
-                      <label className="field-label">图片 XOR 密钥</label>
+                    <label className="field-label">图片 XOR 密钥</label>
-                      <input
+                    <input
-                          type="text"
+                      type="text"
-                          className="field-input"
+                      className="field-input"
-                          placeholder="0x..."
+                      placeholder="0x..."
-                          value={imageXorKey}
+                      value={imageXorKey}
-                          onChange={(e) => setImageXorKey(e.target.value)}
+                      onChange={(e) => setImageXorKey(e.target.value)}
-                      />
+                    />
-                    </div>
+                  </div>
-                    <div>
+                  <div>
-                      <label className="field-label">图片 AES 密钥</label>
+                    <label className="field-label">图片 AES 密钥</label>
-                      <input
+                    <input
-                          type="text"
+                      type="text"
-                          className="field-input"
+                      className="field-input"
-                          placeholder="16位密钥"
+                      placeholder="16位密钥"
-                          value={imageAesKey}
+                      value={imageAesKey}
-                          onChange={(e) => setImageAesKey(e.target.value)}
+                      onChange={(e) => setImageAesKey(e.target.value)}
-                      />
+                    />
-                    </div>
                   </div>
-
-                  <button className="btn btn-secondary btn-block mt-4" onClick={handleAutoGetImageKey} disabled={isFetchingImageKey}>
-                    {isFetchingImageKey ? '获取中...' : '自动获取图片密钥'}
-                  </button>
-
-                  {isFetchingImageKey ? (
-                      <div className="brute-force-progress">
-                        <div className="status-header">
-                          <span className="status-text">{imageKeyStatus || '正在启动多核爆破引擎...'}</span>
-                          {imageKeyPercent !== null && <span className="percent">{imageKeyPercent.toFixed(1)}%</span>}
-                        </div>
-                        {imageKeyPercent !== null && (
-                            <div className="progress-bar-container">
-                              <div className="fill" style={{ width: `${imageKeyPercent}%` }}></div>
-                            </div>
-                        )}
-                      </div>
-                  ) : (
-                      imageKeyStatus && <div className="status-message" style={{ marginTop: '12px' }}>{imageKeyStatus}</div>
-                  )}
-
-                  <div className="field-hint">请在微信中打开几张图片后再点击获取</div>
                 </div>
+
+                <button className="btn btn-secondary btn-block mt-4" onClick={handleAutoGetImageKey} disabled={isFetchingImageKey}>
+                  {isFetchingImageKey ? '获取中...' : '自动获取图片密钥'}
+                </button>
+
+                {isFetchingImageKey ? (
+                  <div className="brute-force-progress">
+                    <div className="status-header">
+                      <span className="status-text">{imageKeyStatus || '正在启动...'}</span>
+                      {imageKeyPercent !== null && <span className="percent">{imageKeyPercent.toFixed(1)}%</span>}
+                    </div>
+                    {imageKeyPercent !== null && (
+                      <div className="progress-bar-container">
+                        <div className="fill" style={{ width: `${imageKeyPercent}%` }}></div>
+                      </div>
+                    )}
+                  </div>
+                ) : (
+                  imageKeyStatus && <div className="status-message" style={{ marginTop: '12px' }}>{imageKeyStatus}</div>
+                )}
+
+                <div className="field-hint">请在微信中打开几张图片后再点击获取</div>
+              </div>
             )}
           </div>
 

src/stores/chatStore.ts

@@ -86,15 +86,16 @@ export const useChatStore = create<ChatState>((set, get) => ({
       if (m.localId && m.localId > 0) return `l:${m.localId}`
       return `t:${m.createTime}:${m.sortSeq || 0}:${m.serverId || 0}`
     }
-    const existingKeys = new Set(state.messages.map(getMsgKey))
+    const currentMessages = state.messages || []
+    const existingKeys = new Set(currentMessages.map(getMsgKey))
     const filtered = newMessages.filter(m => !existingKeys.has(getMsgKey(m)))
 
     if (filtered.length === 0) return state
 
     return {
       messages: prepend
-        ? [...filtered, ...state.messages]
+        ? [...filtered, ...currentMessages]
-        : [...state.messages, ...filtered]
+        : [...currentMessages, ...filtered]
     }
   }),