diff --git a/methods/array/sortBy.d.ts b/methods/array/sortBy.d.ts
index 06784f5..fa1fd9c 100644
--- a/methods/array/sortBy.d.ts
+++ b/methods/array/sortBy.d.ts
@@ -1,5 +1,13 @@
+import { XEUtilsMethods } from '../xe-utils'
+
 import orderBy from './orderBy'
 
 export const sortBy: typeof orderBy
 
+declare module '../xe-utils' {
+  interface XEUtilsMethods {
+    sortBy: typeof sortBy;
+  }
+}
+
 export default sortBy
diff --git a/package.json b/package.json
index 02887e2..84fed81 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xe-utils",
-  "version": "2.7.18",
+  "version": "2.7.20",
   "description": "JavaScript 函数库、工具类",
   "main": "index.js",
   "unpkg": "dist/xe-utils.umd.min.js",