diff --git a/photo_review/entity/zx_ie_cost.py b/photo_review/entity/zx_ie_cost.py
index 3b994ad..04834b2 100644
--- a/photo_review/entity/zx_ie_cost.py
+++ b/photo_review/entity/zx_ie_cost.py
@@ -1,5 +1,5 @@
 # coding: utf-8
-from sqlalchemy import Column, DECIMAL, Date, DateTime, String
+from sqlalchemy import Column, DECIMAL, Date, DateTime, String, text
 from sqlalchemy.dialects.mysql import INTEGER
 
 from config.mysql import Base
@@ -17,7 +17,7 @@ class ZxIeCost(Base):
     discharge_date = Column(Date, comment='出院日期')
     medical_expenses_str = Column(String(255), comment='费用总额字符串')
     medical_expenses = Column(DECIMAL(18, 2), comment='费用总额')
-    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(255), 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(255), comment='修改人')