diff --git a/lib/__tests__/video-transcode-service.test.ts b/lib/__tests__/video-transcode-service.test.ts
index 8dd9f58..2d7540e 100644
--- a/lib/__tests__/video-transcode-service.test.ts
+++ b/lib/__tests__/video-transcode-service.test.ts
@@ -107,6 +107,26 @@ describe('video-transcode-service', () => {
     expect(prisma.$queryRaw.mock.calls[0][0].join('')).toContain(`OR m."materialType" = '视频'`)
   })
 
+  it('Prisma Client 缺少 videoTranscodeJob 时，启动恢复会安全跳过', async () => {
+    const { recoverStaleVideoTranscodeJobs } = require('../video-transcode-service')
+    const originalDelegate = prisma.videoTranscodeJob
+    const warnSpy = jest.spyOn(console, 'warn').mockImplementation(() => {})
+
+    prisma.videoTranscodeJob = undefined
+
+    try {
+      const result = await recoverStaleVideoTranscodeJobs()
+
+      expect(result).toEqual({ recovered: 0, hasMore: false, skipped: true })
+      expect(prisma.$queryRaw).not.toHaveBeenCalled()
+      expect(transcodeQueue.add).not.toHaveBeenCalled()
+      expect(warnSpy).toHaveBeenCalledWith(expect.stringContaining('跳过启动恢复'))
+    } finally {
+      prisma.videoTranscodeJob = originalDelegate
+      warnSpy.mockRestore()
+    }
+  })
+
   it('恢复批次达到上限时会标记 hasMore 并安排继续恢复', async () => {
     jest.useFakeTimers()
     const { recoverStaleVideoTranscodeJobs } = require('../video-transcode-service')
diff --git a/lib/video-transcode-service.ts b/lib/video-transcode-service.ts
index 76e0af3..d57c345 100644
--- a/lib/video-transcode-service.ts
+++ b/lib/video-transcode-service.ts
@@ -8,6 +8,32 @@ const DEFAULT_LOCK_TIMEOUT_MS = 30 * 60 * 1000
 const DEFAULT_RETRY_DELAY_MS = 5 * 1000
 const MAX_RETRY_DELAY_MS = 30 * 1000
 const RECOVERY_BATCH_SIZE = 20
+type VideoTranscodeJobDelegate = {
+  upsert: (...args: any[]) => Promise<any>
+  findMany: (...args: any[]) => Promise<any[]>
+  update: (...args: any[]) => Promise<any>
+}
+
+function getVideoTranscodeJobDelegate(): VideoTranscodeJobDelegate | null {
+  const delegate = (prisma as any).videoTranscodeJob
+  if (
+    delegate &&
+    typeof delegate.upsert === 'function' &&
+    typeof delegate.findMany === 'function' &&
+    typeof delegate.update === 'function'
+  ) {
+    return delegate
+  }
+  return null
+}
+
+function requireVideoTranscodeJobDelegate(): VideoTranscodeJobDelegate {
+  const delegate = getVideoTranscodeJobDelegate()
+  if (!delegate) {
+    throw new Error('Prisma Client 缺少 videoTranscodeJob，请先执行数据库迁移并重新生成 Prisma Client')
+  }
+  return delegate
+}
 
 function getMaxAttempts() {
   const retries = parseInt(process.env.VIDEO_TRANSCODE_MAX_RETRIES || '2', 10)
@@ -45,8 +71,9 @@ async function runVideoTranscodeTask(
   needsCoverImage: boolean
 ) {
   const maxAttempts = getMaxAttempts()
+  const videoTranscodeJob = requireVideoTranscodeJobDelegate()
 
-    const job = await (prisma as any).videoTranscodeJob.update({
+  const job = await videoTranscodeJob.update({
     where: { materialId },
     data: {
       status: 'processing',
@@ -97,7 +124,7 @@ async function runVideoTranscodeTask(
       data: updateData,
     })
 
-    await (prisma as any).videoTranscodeJob.update({
+    await videoTranscodeJob.update({
       where: { materialId },
       data: {
         status: 'done',
@@ -115,7 +142,7 @@ async function runVideoTranscodeTask(
 
     console.error(`[Transcode] Persistent task failed for material ${materialId}:`, error)
 
-    await (prisma as any).videoTranscodeJob.update({
+    await videoTranscodeJob.update({
       where: { materialId },
       data: {
         status: shouldRetry ? 'queued' : 'failed',
@@ -156,8 +183,9 @@ export async function enqueueVideoTranscodeJob(params: {
 }) {
   const { materialId, videoSourceUrl, needsCoverImage, forceRetry = false } = params
   const maxAttempts = getMaxAttempts()
+  const videoTranscodeJob = requireVideoTranscodeJobDelegate()
 
-  await (prisma as any).videoTranscodeJob.upsert({
+  await videoTranscodeJob.upsert({
     where: { materialId },
     create: {
       materialId,
@@ -195,8 +223,13 @@ export async function enqueueVideoTranscodeJob(params: {
 
 export async function recoverStaleVideoTranscodeJobs() {
   const staleBefore = new Date(Date.now() - getLockTimeoutMs())
+  const videoTranscodeJob = getVideoTranscodeJobDelegate()
+  if (!videoTranscodeJob) {
+    console.warn('[Transcode] 跳过启动恢复：Prisma Client 缺少 videoTranscodeJob，请执行数据库迁移并重新生成 Prisma Client')
+    return { recovered: 0, hasMore: false, skipped: true }
+  }
 
-  const staleJobs = await (prisma as any).videoTranscodeJob.findMany({
+  const staleJobs = await videoTranscodeJob.findMany({
     where: {
       OR: [
         { status: 'queued' },
@@ -243,7 +276,7 @@ export async function recoverStaleVideoTranscodeJobs() {
     const sourceUrl = job.material?.videoSourceUrl || job.videoSourceUrl
     if (!sourceUrl) continue
 
-    await (prisma as any).videoTranscodeJob.update({
+    await videoTranscodeJob.update({
       where: { materialId: job.materialId },
       data: {
         status: 'queued',