update pay function

app.py

@@ -570,6 +570,28 @@ class User(UserMixin, db.Model):
             'is_authenticated': True
         }
 
+        # 获取用户订阅信息（从 user_subscriptions 表）
+        subscription = UserSubscription.query.filter_by(user_id=self.id).first()
+        if subscription:
+            data.update({
+                'subscription_type': subscription.subscription_type,
+                'subscription_status': subscription.subscription_status,
+                'billing_cycle': subscription.billing_cycle,
+                'start_date': subscription.start_date.isoformat() if subscription.start_date else None,
+                'end_date': subscription.end_date.isoformat() if subscription.end_date else None,
+                'auto_renew': subscription.auto_renew
+            })
+        else:
+            # 无订阅时使用默认值
+            data.update({
+                'subscription_type': 'free',
+                'subscription_status': 'inactive',
+                'billing_cycle': None,
+                'start_date': None,
+                'end_date': None,
+                'auto_renew': False
+            })
+
         # 敏感信息只在需要时包含
         if include_sensitive:
             data.update({