change the release script

scripts/release.js

 pkgs.forEach(async (item, index) => {
   await fse.exists(
     path.resolve(__dirname, '..', `packages/${item}/dist`),
-    exists => {
+    async exists => {
       if (exists) {
         shell.cd(path.resolve(__dirname, '..', `packages/${item}`))
         try {
-          let code = shell.exec(
+          let code = await shell.exec(
             `yarn publish --new-version ${version} --access public`
           ).code
           if (code !== 0) {