diff --git a/app/services/customize_resume_store.py b/app/services/customize_resume_store.py
index 2f65a7b..1f8a5d8 100644
--- a/app/services/customize_resume_store.py
+++ b/app/services/customize_resume_store.py
@@ -9,7 +9,7 @@ import string
 
 from sqlalchemy import select, update
 
-from app.core.database import async_session_factory
+from app.core.database import get_db
 from app.core.redis import RedisManager
 from app.models.user_job_customize_resume import UserJobCustomizeResume
 from app.schemas.customize_resume import (
@@ -76,7 +76,7 @@ async def save(user_id: int, job_id: int, cr: CustomizeResume) -> None:
     """保存定制简历：备份旧版本到 Redis 用于回滚 + 写数据库"""
     content = cr.model_dump(by_alias=True)
 
-    async with async_session_factory() as session:
+    async for session in get_db():
         # 查已有记录，备份旧版本到 Redis 用于回滚
         result = await session.execute(select(UserJobCustomizeResume).where(UserJobCustomizeResume.user_id == user_id, UserJobCustomizeResume.job_id == job_id))
         record = result.scalar_one_or_none()
@@ -87,12 +87,11 @@ async def save(user_id: int, job_id: int, cr: CustomizeResume) -> None:
                 UserJobCustomizeResume.id == record.id).values(content=content))
         else:
             session.add(UserJobCustomizeResume(id=next_id(), user_id=user_id, job_id=job_id, content=content))
-        await session.commit()
 
 
 async def get(user_id: int, job_id: int) -> dict | None:
     """查询定制简历，查不到则加载默认简历构建返回"""
-    async with async_session_factory() as session:
+    async for session in get_db():
         result = await session.execute(select(UserJobCustomizeResume).where(
             UserJobCustomizeResume.user_id == user_id, UserJobCustomizeResume.job_id == job_id))
         record = result.scalar_one_or_none()
@@ -111,7 +110,7 @@ async def rollback(user_id: int, job_id: int) -> None:
         raise ValueError("没有可回滚的版本")
     content = CustomizeResume.model_validate_json(data).model_dump(by_alias=True)
 
-    async with async_session_factory() as session:
+    async for session in get_db():
         result = await session.execute(select(UserJobCustomizeResume).where(
             UserJobCustomizeResume.user_id == user_id, UserJobCustomizeResume.job_id == job_id))
         record = result.scalar_one_or_none()
@@ -120,5 +119,4 @@ async def rollback(user_id: int, job_id: int) -> None:
                 UserJobCustomizeResume.id == record.id).values(content=content))
         else:
             session.add(UserJobCustomizeResume(id=next_id(), user_id=user_id, job_id=job_id, content=content))
-        await session.commit()
-    await RedisManager.client.delete(rollback_k)
+        await RedisManager.client.delete(rollback_k)