From 133e812700d8bb28d4103a9f5119d72b7761d318 Mon Sep 17 00:00:00 2001
From: JIANG <huarch97@gmail.com>
Date: Fri, 30 Jan 2026 15:55:07 +0800
Subject: [PATCH] =?UTF-8?q?=E5=81=A5=E5=BA=B7=E9=A3=8E=E9=99=A9=E5=AE=9A?=
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---
 src/components/olmap/HealthRiskAnalysis/Timeline.tsx | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/components/olmap/HealthRiskAnalysis/Timeline.tsx b/src/components/olmap/HealthRiskAnalysis/Timeline.tsx
index 9e799c1..68cd669 100644
--- a/src/components/olmap/HealthRiskAnalysis/Timeline.tsx
+++ b/src/components/olmap/HealthRiskAnalysis/Timeline.tsx
@@ -435,16 +435,19 @@ const Timeline: React.FC<TimelineProps> = ({
           message: `模拟预测完成，获取到 ${results.length} 条管道数据`,
         });
       } else {
+        // 读取后端 HTTPException 返回的 detail 信息
+        const errorData = await response.json().catch(() => ({}));
+        const errorMessage = errorData.detail || "模拟预测失败";
         open?.({
           type: "error",
-          message: "模拟预测失败",
+          message: errorMessage,
         });
       }
-    } catch (error) {
+    } catch (error: any) {
       console.error("Simulation prediction failed:", error);
       open?.({
         type: "error",
-        message: "模拟预测时发生错误",
+        message: `模拟预测时发生错误: ${error.message || "未知错误"}`,
       });
     } finally {
       setIsPredicting(false);