fix: 统一系统生成时间为北京时间(UTC+8)并优化审计日志表格列展示

inventory-backend/app/models/outbound.py

@@ -1,4 +1,4 @@
-from app.extensions import db
+from app.extensions import db, beijing_time
 from datetime import datetime
 
 
@@ -25,7 +25,7 @@ class TransOutbound(db.Model):
     # 签字与追溯
     consumer_name = db.Column(db.String(100))  # 领用人/客户
     signature_path = db.Column(db.Text)  # 电子签名图片路径
-    outbound_time = db.Column(db.DateTime, default=datetime.now)
+    outbound_time = db.Column(db.DateTime, default=beijing_time)
     operator_name = db.Column(db.String(100))  # 操作员
 
     remark = db.Column(db.Text)