diff --git a/docs/adv_cesium.md b/docs/adv_cesium.md
new file mode 100644
index 00000000..e1cfac88
--- /dev/null
+++ b/docs/adv_cesium.md
@@ -0,0 +1,35 @@
+# 倾斜模型导入Carla
+
+1. 下载并解压 [Cesium for Unreal 插件](https://github.com/CesiumGS/cesium-unreal/releases/download/v1.18.0-ue4/CesiumForUnreal-426-v1.18.0-ue4.zip) 到CarlaUE引擎的plugins文件夹下：
+
+![](img/cesium/plugins.png)
+
+2. 将插件的BuildId修改与CarlaUE引擎的BuildId一致。
+引擎的BuildId在如下路径：
+
+![](img/cesium/build_id_path.png)
+需修改的BuildId
+![](img/cesium/require_modified_build_id.png)
+
+3. 本地测试还需要修改其他几个内置插件的BuildId也要与引擎的一致。有如下几个地方：
+```shell
+carla_unreal\unreal\Engine\Plugins\Experimental\Landmass\Binaries\Win64
+carla_unreal\unreal\Engine\Plugins\Experimental\Water\Binaries\Win64
+carla_unreal\unreal\Engine\Plugins\Editor\BlueprintMaterialTextureNodes\Binaries\Win64
+```
+
+4. 在CarlaUE中添加插件
+![](img/cesium/plugins_menu.png)
+![](img/cesium/add_plugin.png)
+添加完成后重启引擎。
+
+5. 添加插件对象到场景中,配置参数和模型路径：
+![](img/cesium/add_plugin_object.png)
+![](img/cesium/config_parameter.png)
+![](img/cesium/config_model_path.png)
+
+!!! 注意：
+    从[链接](https://pan.baidu.com/s/1n2fJvWff4pbtMe97GOqtvQ?pwd=hutb) 中的`map`文件夹内下载`中电软件园_cesium_model.zip`并解压。这里测试用的是本地路径，也可以用静态资源服务。
+
+6. 模型在CarlaUE中的场景效果
+![](img/cesium/scene_effect.png)
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diff --git a/docs/index.md b/docs/index.md
index 11579ca1..78e873fb 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -219,6 +219,8 @@ Carla 论坛</a>
 
 [__OpenSCENARIO 播放器__](tuto_G_esmini.md) — 基本的 OpenSCENARIO 播放器。
 
+[__地理空间生态系统__](adv_cesium.md) — 将 3D 地理空间生态系统引入虚幻引擎。
+
 
 ## 源代码编译
 
diff --git a/docs/tuto_D_windows_debug.md b/docs/tuto_D_windows_debug.md
index da8b7814..ec6b0375 100644
--- a/docs/tuto_D_windows_debug.md
+++ b/docs/tuto_D_windows_debug.md
@@ -139,13 +139,13 @@ install_boost.bat --build-dir D:\work\buffer --toolset msvc-14.2 --version 1.80.
 会自动将boost的库和头文件安装到目录`D:\work\buffer\boost-1.80.0-install`里面。
 
 将[`install_recast.bat`](https://github.com/carla-simulator/carla/blob/dev/Util/InstallersWin/install_recast.bat) 中的`Relase`改为`Debug`。
-将`-DCMAKE_CXX_FLAGS_RELASE="/MD /MP"`改为`-DCMAKE_CXX_FLAGS_DEBUG="/MDd /MP"`，运行[`install_recast.bat`](https://github.com/OpenHUTB/carla_doc/tree/master/src/cmake/install_recast.bat) 。
+将`-DCMAKE_CXX_FLAGS_RELASE="/MD /MP"`改为多线程调试DLL`-DCMAKE_CXX_FLAGS_DEBUG="/MDd /MP"`，运行[`install_recast.bat`](https://github.com/OpenHUTB/carla_doc/tree/master/src/cmake/install_recast.bat) 。
 ```shell
 install_recast.bat --build-dir D:\work\buffer --generator "Visual Studio 16 2019"
 ```
 
 将[`install_rpclib.bat`](https://github.com/carla-simulator/carla/blob/dev/Util/InstallersWin/install_rpclib.bat) 中的`Relase`改为`Debug`，运行[`install_rpclib.bat`](https://github.com/OpenHUTB/carla_doc/tree/master/src/cmake/install_rpclib.bat) 。
-将`-DCMAKE_CXX_FLAGS_RELASE="/MD /MP"`改为`-DCMAKE_CXX_FLAGS_DEBUG="/MDd /MP"`。
+将`-DCMAKE_CXX_FLAGS_RELASE="/MD /MP"`改为多线程调试DLL`-DCMAKE_CXX_FLAGS_DEBUG="/MDd /MP"`。
 ```shell
 install_rpclib.bat --build-dir D:\work\buffer --generator "Visual Studio 16 2019"
 ```