diff --git a/typescript/Geometry.d.ts b/typescript/Geometry.d.ts
index fb5a1146..903dff6b 100644
--- a/typescript/Geometry.d.ts
+++ b/typescript/Geometry.d.ts
@@ -6,7 +6,7 @@ import { Base } from './core/Base';
 import { Matrix4 } from './math/Matrix4';
 
 
-export class Geometry extends Base {
+export class Geometry extends GeometryBase {
 
     boundingBox: BoundingBox;
 
diff --git a/typescript/application.d.ts b/typescript/application.d.ts
index 541f0446..880442b2 100644
--- a/typescript/application.d.ts
+++ b/typescript/application.d.ts
@@ -142,7 +142,7 @@ export namespace application {
         dispose(): void;
 
         loadTexture(img: ImageLike, opts?: ILoadTextureOpts, useCache?: boolean): Promise<Texture2D>;
-        loadTexturSync(img: ImageLike, opts?: ILoadTextureOpts, useCache?: boolean): Texture2D;
+        loadTextureSync(img: ImageLike, opts?: ILoadTextureOpts, useCache?: boolean): Texture2D;
 
         loadTextureCube(imgList: ITextureCubeImageList, opts?: ILoadTextureOpts): Promise<TextureCube>;
         loadTextureCubeSync(imgList: ITextureCubeImageList, opts?: ILoadTextureOpts): TextureCube;
diff --git a/typescript/plugin/Skybox.d.ts b/typescript/plugin/Skybox.d.ts
index 501e89ff..3e51fdb1 100644
--- a/typescript/plugin/Skybox.d.ts
+++ b/typescript/plugin/Skybox.d.ts
@@ -1,9 +1,11 @@
 import { Mesh } from '../Mesh';
 import { Scene } from '../Scene';
 import { TextureCube } from '../TextureCube';
+import { Texture2D } from '../Texture2D';
 
 interface ISkyboxOption {
     scene?: Scene;
+    environmentMap?: TextureCube | Texture2D
 }
 
 export class Skybox extends Mesh {
@@ -12,9 +14,9 @@ export class Skybox extends Mesh {
 
     scene: Scene;
 
-    setEnvironmentMap(envMap: TextureCube): void;
+    setEnvironmentMap(envMap: TextureCube | Texture2D): void;
 
-    getEnvironmentMap(): TextureCube;
+    getEnvironmentMap(): TextureCube | Texture2D;
 
     attachScene(scene: Scene): void;