fix: 修复日志查询接口访问不存在字段的问题

- ip_address 从 context.ip 获取
- 移除不存在的 extra_data 字段
- 修复 CSV/Excel 导出中的同样问题

backend/app/routers/logs.py

@@ -117,8 +117,8 @@ async def query_logs(
                 "method": item.method,
                 "status_code": item.status_code,
                 "duration_ms": item.duration_ms,
-                "ip_address": item.ip_address,
-                "extra_data": item.extra_data,
+                "ip_address": item.context.get("ip") if item.context else None,
+                "context": item.context,
                 "stack_trace": item.stack_trace,
                 "log_time": str(item.log_time) if item.log_time else None
             }
@@ -182,6 +182,7 @@ def export_csv(logs: list) -> StreamingResponse:
     
     # 写入数据
     for log in logs:
+        ip_address = log.context.get("ip") if log.context else ""
         writer.writerow([
             log.id,
             log.log_type,
@@ -194,7 +195,7 @@ def export_csv(logs: list) -> StreamingResponse:
             log.method or "",
             log.status_code or "",
             log.duration_ms or "",
-            log.ip_address or "",
+            ip_address or "",
             str(log.log_time) if log.log_time else ""
         ])
     
@@ -242,6 +243,7 @@ def export_excel(logs: list) -> StreamingResponse:
     
     # 写入数据
     for row, log in enumerate(logs, 2):
+        ip_address = log.context.get("ip") if log.context else ""
         ws.cell(row=row, column=1, value=log.id)
         ws.cell(row=row, column=2, value=log.log_type)
         ws.cell(row=row, column=3, value=log.level)
@@ -253,7 +255,7 @@ def export_excel(logs: list) -> StreamingResponse:
         ws.cell(row=row, column=9, value=log.method or "")
         ws.cell(row=row, column=10, value=log.status_code or "")
         ws.cell(row=row, column=11, value=log.duration_ms or "")
-        ws.cell(row=row, column=12, value=log.ip_address or "")
+        ws.cell(row=row, column=12, value=ip_address or "")
         ws.cell(row=row, column=13, value=str(log.log_time) if log.log_time else "")
     
     # 调整列宽