diff --git a/packages/create-poros/package.json b/packages/create-poros/package.json
index 71ac17f..8718688 100644
--- a/packages/create-poros/package.json
+++ b/packages/create-poros/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-poros",
-  "version": "1.1.5",
+  "version": "1.1.6",
   "description": "create-poros",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/packages/create-poros/src/index.ts b/packages/create-poros/src/index.ts
index 678a995..74e98a4 100644
--- a/packages/create-poros/src/index.ts
+++ b/packages/create-poros/src/index.ts
@@ -27,6 +27,7 @@ interface ITemplateParams extends ITemplatePluginParams {
   name: string;
   version: string;
   npmClient: ENpmClient;
+  isYarn: boolean;
   registry: string;
   author: string;
   email: string;
@@ -59,6 +60,7 @@ const DEFAULT_DATA = {
   author: 'poros',
   version: pkg.version,
   npmClient: ENpmClient.pnpm,
+  isYarn: false,
   registry: ERegistry.npm,
   withHusky: false,
   extraNpmrc: '',
@@ -212,6 +214,7 @@ export default async ({ cwd, args, defaultData = DEFAULT_DATA }: IGeneratorOpts)
         : ({
             version: version.includes('-canary.') ? version : `^${version}`,
             npmClient,
+            isYarn: npmClient === ENpmClient.yarn,
             registry,
             author,
             email,
diff --git a/packages/create-poros/templates/app/package.json.tpl b/packages/create-poros/templates/app/package.json.tpl
index a50b753..7c4e632 100644
--- a/packages/create-poros/templates/app/package.json.tpl
+++ b/packages/create-poros/templates/app/package.json.tpl
@@ -9,7 +9,7 @@
     "build:win": "poros build --win  --x64 --ia32",
     "dev": "poros dev",
     "format": "prettier --cache --write .",
-    "postinstall": "poros setup",{{#withHusky}}
+    "postinstall": "{{#isYarn}}poros patch & {{/isYarn}}poros setup",{{#withHusky}}
     "prepare": "husky install",{{/withHusky}}
     "rebuild-deps": "poros rebuild-deps",
     "setup": "poros setup",
diff --git a/packages/poros/src/cli.ts b/packages/poros/src/cli.ts
index 2137539..9516e8a 100644
--- a/packages/poros/src/cli.ts
+++ b/packages/poros/src/cli.ts
@@ -1,4 +1,4 @@
-import { chalk, checkLocal, logger, printHelp, setNoDeprecation, setNodeTitle, yParser } from '@umijs/utils';
+import { chalk, checkLocal, execa, logger, printHelp, setNoDeprecation, setNodeTitle, yParser } from '@umijs/utils';
 import { dev } from 'umi/dist/cli/dev';
 import { DEV_COMMAND, MIN_NODE_VERSION } from 'umi/dist/constants';
 import { Service } from 'umi/dist/service/service';
@@ -55,6 +55,8 @@ export async function run(opts: IOpts = {}) {
       platform: process.platform,
       arch: process.arch === 'arm' ? 'armv7l' : process.arch,
     });
+  } else if (command === 'patch') {
+    await execa.execa('node', ['../scripts/postinstall'], { cwd: __dirname });
   } else {
     logger.info(chalk.cyan.bold(`Poros v${version}`));