diff --git a/photo_review/entity/zx_ie_cost_detail.py b/photo_review/entity/zx_ie_cost_detail.py
index ea72fdc..e41aeda 100644
--- a/photo_review/entity/zx_ie_cost_detail.py
+++ b/photo_review/entity/zx_ie_cost_detail.py
@@ -1,5 +1,5 @@
 # coding: utf-8
-from sqlalchemy import Column, DECIMAL, DateTime, String
+from sqlalchemy import Column, DECIMAL, DateTime, String, text
 from sqlalchemy.dialects.mysql import INTEGER
 
 from config.mysql import Base
@@ -17,7 +17,7 @@ class ZxIeCostDetail(Base):
     price = Column(DECIMAL(18, 2), comment='单价')
     quantity = Column(INTEGER(11), comment='数量')
     amount = Column(DECIMAL(18, 2), comment='金额(单价 * 数量)')
-    create_time = Column(DateTime, comment='创建时间')
+    create_time = Column(DateTime, server_default=text("CURRENT_TIMESTAMP"), comment='创建时间')
     creator = Column(String(30), comment='创建人')
-    update_time = Column(DateTime, comment='修改时间')
+    update_time = Column(DateTime, server_default=text("CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP"), comment='修改时间')
     updater = Column(String(30), comment='修改人')