diff --git a/Dockerfile b/Dockerfile
index 61b27a2..d7e7fbb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,4 +6,5 @@ RUN pnpm install --frozen-lockfile
 COPY . .
 RUN pnpm exec prisma generate && pnpm build
 EXPOSE 3000
-CMD ["node", "dist/main.js"]
+# 启动前先跑 Prisma 迁移建表（幂等，已应用的迁移自动跳过），再起服务
+CMD ["sh", "-c", "pnpm exec prisma migrate deploy && node dist/main.js"]