diff --git a/js/script.js b/js/script.js
index 68d1728..cbc11bc 100644
--- a/js/script.js
+++ b/js/script.js
@@ -2421,6 +2421,25 @@
         layersClose.addEventListener('click', closeLayersPanel);
         layersClose.addEventListener('touchend', (e) => { e.preventDefault(); closeLayersPanel(); });
 
+        // 点击空白区域关闭图层面板
+        const handleClickOutside = (e) => {
+            // 如果点击的是图层面板内部，不关闭
+            if (layersPanel.contains(e.target) || layersBtn.contains(e.target)) {
+                return;
+            }
+            // 关闭图层面板
+            layersPanel.classList.remove('active');
+        };
+        
+        // 桌面端使用 click 事件
+        document.addEventListener('click', handleClickOutside);
+        // 移动端使用 touchend 事件
+        document.addEventListener('touchend', (e) => {
+            if (layersPanel.classList.contains('active')) {
+                handleClickOutside(e);
+            }
+        });
+
         // 图层操作按钮 - 只保留显示/隐藏（同时支持桌面和移动端）
         const layerToggleVisibleBtn = document.getElementById('layerToggleVisible');
         if (layerToggleVisibleBtn) {