diff --git a/README.md b/README.md
index a104fc8..33d0b39 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # action-kubernetes-login
 
-This action prints "Hello World" or "Hello" + the name of a person to greet to the log.
+This action create kubeconfig
 
 ## Inputs
 
diff --git a/action.yml b/action.yml
index b7d24e2..8f848f3 100644
--- a/action.yml
+++ b/action.yml
@@ -4,7 +4,6 @@ inputs:
   kubeconfig:  
     description: 'kubeconfig text'
     required: true
-    default: ''
   force: 
     description: 'force override'
     required: false
diff --git a/dist/index.js b/dist/index.js
index 1d9e17a..a59349e 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -26593,6 +26593,11 @@ const path = __nccwpck_require__(1017);
 try {
   // `who-to-greet` input defined in action metadata file
   const kubeconfig = core.getInput('kubeconfig');
+  if(!kubeconfig){
+    throw {
+      message: "kubeconfig should not be empty"
+    }
+  }
   const parentDir = path.join(os.homedir(),".kube")
   mkdir(parentDir,{recursive:true})
   const configFile = path.join(parentDir,"config")
diff --git a/package.json b/package.json
index aa8bfb0..174c9ec 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "action-kubernetes-login",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "type": "commonjs",
   "scripts": {
     "build": "ncc build src/index.js -o dist"
diff --git a/src/index.js b/src/index.js
index 8a54606..97ea55f 100644
--- a/src/index.js
+++ b/src/index.js
@@ -5,6 +5,11 @@ const path = require('path');
 try {
   // `who-to-greet` input defined in action metadata file
   const kubeconfig = core.getInput('kubeconfig');
+  if(!kubeconfig){
+    throw {
+      message: "kubeconfig should not be empty"
+    }
+  }
   const parentDir = path.join(os.homedir(),".kube")
   mkdir(parentDir,{recursive:true})
   const configFile = path.join(parentDir,"config")