diff --git a/action.yml b/action.yml
index 9de6293..b204427 100644
--- a/action.yml
+++ b/action.yml
@@ -26,3 +26,4 @@ inputs:
 runs:
   using: node12
   main: dist/index.js
+  post: dist/index.js
diff --git a/src/index.ts b/src/index.ts
index 4273417..c8eaa19 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,10 +1,15 @@
-import { setFailed } from '@actions/core'
+import { setFailed, getState, debug } from '@actions/core'
 import getInputs from './inputs'
 import setOutputs from './outputs'
 import installPnpm from './install-pnpm'
 import pnpmInstall from './pnpm-install'
 
 async function main() {
+  const isPost = getState('isPost')
+  debug(JSON.stringify(isPost))
+  if (isPost) {
+    return
+  }
   const inputs = getInputs()
   await installPnpm(inputs)
   console.log('Installation Completed!')