diff --git a/index.js b/index.js
index dfbb88e..5d6344c 100644
--- a/index.js
+++ b/index.js
@@ -1 +1,2 @@
-export { animate } from './Tool/animate.js';
\ No newline at end of file
+export { animate } from './Tool/animate.js';
+export { randomNum, nextArray } from './Tool/number.js';
\ No newline at end of file