update string

Author: Feiyang1

packages-exp/messaging-exp/package.json

@@ -7,7 +7,7 @@
   "main": "dist/index.cjs.js",
   "browser": "dist/index.esm2017.js",
   "module": "dist/index.esm2017.js",
-  "typings": "./dist/index.d.ts",
+  "typings": "dist/index.d.ts",
   "sw": "dist/index.sw.esm2017.js",
   "files": [
     "dist",