From 1fd386b6cf96a41b2da5de34e99829403e729f52 Mon Sep 17 00:00:00 2001
From: fukunee <fukun.ee@foxmail.com>
Date: Sat, 19 Sep 2026 17:24:40 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BE=BF=E7=AD=BE=E8=B4=B4=E9=99=84=EF=BC=9A?=
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---
 src/scene/CesiumGlobe.js | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/scene/CesiumGlobe.js b/src/scene/CesiumGlobe.js
index a4c9ce9..9cbe4ef 100644
--- a/src/scene/CesiumGlobe.js
+++ b/src/scene/CesiumGlobe.js
@@ -371,9 +371,20 @@ export class CesiumGlobe {
       // 固定层级 15（约 30m）：ArcGIS 高程服务无 availability，不用 sampleTerrainMostDetailed
       await Cesium.sampleTerrain(tp, 15, cartos);
     } catch (err) {
-      console.warn('[CesiumGlobe] 地形高度采样失败，便签保持椭球面高度：', err);
-      return;
+      console.warn('[CesiumGlobe] 地形高度采样失败：', err);
     }
+
+    // 失败的点逐级降级重试（更粗的层级更容易成功）
+    for (const level of [12, 8, 4]) {
+      const retry = cartos.filter((c) => c.height == null || !isFinite(c.height));
+      if (retry.length === 0) break;
+      try {
+        await Cesium.sampleTerrain(tp, level, retry);
+      } catch (err) {
+        break;
+      }
+    }
+
     let clamped = 0;
     for (let i = 0; i < this.markers.length; i++) {
       const h = cartos[i] && cartos[i].height;