From 71bc2e6aab51ebec6387f56e7431ff0d846daf3f Mon Sep 17 00:00:00 2001
From: fawney19 <elky0401@gmail.com>
Date: Thu, 25 Dec 2025 22:44:17 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=A2=9E=E5=8A=A0=E5=8F=82=E6=95=B0?=
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---
 src/services/health/endpoint.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/services/health/endpoint.py b/src/services/health/endpoint.py
index 0e51a69..67885d0 100644
--- a/src/services/health/endpoint.py
+++ b/src/services/health/endpoint.py
@@ -234,7 +234,14 @@ class EndpointHealthService:
                 for api_format in format_key_mapping.keys()
             }
 
-        # 计算时间范围（使用秒级精度避免整除导致的除零错误）
+        # 参数校验（API 层已通过 Query(ge=1) 保证，这里做防御性检查）
+        if lookback_hours <= 0 or segments <= 0:
+            raise ValueError(
+                f"lookback_hours and segments must be positive, "
+                f"got lookback_hours={lookback_hours}, segments={segments}"
+            )
+
+        # 计算时间范围
         segment_seconds = (lookback_hours * 3600) / segments
         start_time = now - timedelta(hours=lookback_hours)