diff --git a/package.json b/package.json
index 3d1dcae..c82155e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@antv/coord",
-  "version": "0.4.5",
+  "version": "0.4.6",
   "description": "Toolkit for mapping elements of sets into geometric objects.",
   "license": "MIT",
   "main": "lib/index.js",
diff --git a/src/index.ts b/src/index.ts
index 7f97627..aeecdf6 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,3 +1,3 @@
-export type { Options, Vector, Transformation, Matrix3, Vector2, Vector3 } from './type';
+export type { Options, Vector, Transformation, Transformation3D, Matrix3, Vector2, Vector3 } from './type';
 export { Coordinate } from './coordinate';
 export { Coordinate3D } from './coordinate3D';