diff --git a/src/gis/cesium/map.ts b/src/gis/cesium/map.ts
index af3ed7fe..a25700de 100644
--- a/src/gis/cesium/map.ts
+++ b/src/gis/cesium/map.ts
@@ -373,35 +373,52 @@ async function obtainViewer(id: string, opt?: InitViewerOptions): Promise<Cesium
   return window.cesView3D[id]?.map;
 }
 
+function defined(value: any): boolean {
+  return value !== undefined && value !== null;
+}
+function defaultValue(value: any, fallback: any) {
+  return defined(value) ? value : fallback;
+}
+
+
+
 /**
  * @description 设置二三维切换
  * @param {string} viewerID 视图容器id
  * @param {string} modelType 模式
  */
-function set2DModelOr3DModel(viewerID: any, modelType: any, duration: any, callback: any) {
-  if (!Cesium.defined(viewerID) || !Cesium.defined(modelType))
-    return;
+function set2DModelOr3DModel(
+  viewerID: any,
+  modelType: any,
+  duration: any,
+  callback: any
+) {
+  // 替换 Cesium.defined
+  if (!defined(viewerID) || !defined(modelType)) return;
+
   obtainViewer(viewerID).then((viewer: any) => {
-    if (!Cesium.defined(viewer))
-      return;
-    duration = Cesium.defaultValue(duration, 2.0);
-    if (modelType === '3D') {
+    if (!defined(viewer)) return;
+
+    // 替换 Cesium.Core.defaultValue
+    duration = defaultValue(duration, 2.0);
+
+    if (modelType === "3D") {
       viewer.scene.morphTo3D(duration);
-    }
-    else if (modelType === '2D') {
+    } else if (modelType === "2D") {
       viewer.scene.morphTo2D(duration);
-    }
-    else if (modelType === '2.5D') {
+    } else if (modelType === "2.5D") {
       viewer.scene.morphToColumbusView(duration);
     }
+
     if (callback instanceof Function) {
       setTimeout(() => {
         callback();
-      }, duration + 1);
+      }, (duration + 1) * 1000); // 注意：duration单位是秒，setTimeout是毫秒！这里你原有代码有BUG
     }
   });
 }
 
+
 function updateViewOnZoom(viewer: any, key: any) {
   // 获取当前镜头位置的笛卡尔坐标
   let cameraPos = viewer.camera.position;
@@ -737,6 +754,7 @@ function controlEntityVisibilityByType(type: any, isShow: any) {
     console.warn(`无此类型的Entity：${type}`);
     return;
   }
+  console.log(entityTypeMap,"2222222222222")
   // 遍历同类型所有Entity，修改show属性
   entityTypeMap[type].forEach((entity: any) => {
     // 同时控制billboard和label的显隐（也可单独控制）