diff --git a/action.yml b/action.yml
index 715f48d..cc96abe 100644
--- a/action.yml
+++ b/action.yml
@@ -9,22 +9,22 @@ branding:
 
 # Define your inputs here.
 inputs:
+  ossutil-version:
+    description: 'The OSSUTIL version to download and use, or "latest" for the latest version.'
+    required: true
+    default: '1.7.14'
   endpoint:
     description: 'The endpoint of your bucket'
-    required: true
+    required: false
   access-key-id:
     description: 'The AccessKey ID of the credentials'
-    required: true
+    required: false
   access-key-secret:
     description: 'The AccessKey Secret of the credentials'
-    required: true
+    required: false
   sts-token:
     description: 'The STS Token of the credentials'
     required: false
-  ossutil-version:
-    description: 'The OSSUTIL version to download and use, or "latest" for the latest version.'
-    required: false
-    default: '1.7.14'
   github-token:
     description: 'The GitHub token used to call API to fetch the latest version info'
     required: false
diff --git a/dist/index.js b/dist/index.js
index 8cb095b..76d2147 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -32940,32 +32940,8 @@ const installer = __importStar(__nccwpck_require__(2574));
  */
 async function run() {
     try {
-        // download
-        const version = core.getInput('ossutil-version');
-        await installer.installOssutil(version);
-        core.info('ossutil is successfully installed');
-        // config
-        const inputOptions = { required: true };
-        const endpoint = core.getInput('endpoint', inputOptions);
-        const accessKeyId = core.getInput('access-key-id', inputOptions);
-        const accessKeySecret = core.getInput('access-key-secret', inputOptions);
-        const stsToken = core.getInput('sts-token');
-        const args = [
-            'config',
-            '--endpoint',
-            endpoint,
-            '--access-key-id',
-            accessKeyId,
-            '--access-key-secret',
-            accessKeySecret
-        ];
-        if (stsToken) {
-            args.push('--sts-token', stsToken);
-        }
-        const exitCode = await exec.exec('ossutil', args);
-        if (exitCode === 0) {
-            core.info('ossutil config is done');
-        }
+        install();
+        config();
     }
     catch (error) {
         // Fail the workflow run if an error occurs
@@ -32974,6 +32950,40 @@ async function run() {
     }
 }
 exports.run = run;
+async function install() {
+    const version = core.getInput('ossutil-version', { required: true });
+    await installer.installOssutil(version);
+    core.info('ossutil is successfully installed');
+}
+async function config() {
+    const endpoint = core.getInput('endpoint');
+    if (endpoint.length == 0) {
+        core.info('ossutil config is skipped');
+        return;
+    }
+    const accessKeyId = core.getInput('access-key-id', { required: true });
+    const accessKeySecret = core.getInput('access-key-secret', { required: true });
+    const args = [
+        'config',
+        '--endpoint',
+        endpoint,
+        '--access-key-id',
+        accessKeyId,
+        '--access-key-secret',
+        accessKeySecret
+    ];
+    const stsToken = core.getInput('sts-token');
+    if (stsToken) {
+        args.push('--sts-token', stsToken);
+    }
+    const exitCode = await exec.exec('ossutil', args);
+    if (exitCode === 0) {
+        core.info('ossutil config is done');
+    }
+    else {
+        core.error('ossutil config is failed with exit code: ' + exitCode);
+    }
+}
 
 
 /***/ }),
diff --git a/src/main.ts b/src/main.ts
index 93f433c..3fa1ec1 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -8,35 +8,47 @@ import * as installer from './installer'
  */
 export async function run(): Promise<void> {
   try {
-    // download
-    const version = core.getInput('ossutil-version')
-    await installer.installOssutil(version)
-    core.info('ossutil is successfully installed')
-
-    // config
-    const inputOptions: core.InputOptions = { required: true }
-    const endpoint = core.getInput('endpoint', inputOptions)
-    const accessKeyId = core.getInput('access-key-id', inputOptions)
-    const accessKeySecret = core.getInput('access-key-secret', inputOptions)
-    const stsToken = core.getInput('sts-token')
-    const args = [
-      'config',
-      '--endpoint',
-      endpoint,
-      '--access-key-id',
-      accessKeyId,
-      '--access-key-secret',
-      accessKeySecret
-    ]
-    if (stsToken) {
-      args.push('--sts-token', stsToken)
-    }
-    const exitCode = await exec.exec('ossutil', args)
-    if (exitCode === 0) {
-      core.info('ossutil config is done')
-    }
+    install()
+    config()
   } catch (error) {
     // Fail the workflow run if an error occurs
     if (error instanceof Error) core.setFailed(error.message)
   }
 }
+
+async function install(): Promise<void> {
+  const version = core.getInput('ossutil-version', { required: true })
+  await installer.installOssutil(version)
+  core.info('ossutil is successfully installed')
+}
+
+async function config(): Promise<void> {
+  const endpoint = core.getInput('endpoint')
+  if (endpoint.length === 0) {
+    core.info('ossutil config is skipped')
+    return
+  }
+
+  const accessKeyId = core.getInput('access-key-id', { required: true })
+  const accessKeySecret = core.getInput('access-key-secret', { required: true })
+  const args = [
+    'config',
+    '--endpoint',
+    endpoint,
+    '--access-key-id',
+    accessKeyId,
+    '--access-key-secret',
+    accessKeySecret
+  ]
+  const stsToken = core.getInput('sts-token')
+  if (stsToken) {
+    args.push('--sts-token', stsToken)
+  }
+
+  const exitCode = await exec.exec('ossutil', args)
+  if (exitCode === 0) {
+    core.info('ossutil config is done')
+  } else {
+    core.error(`ossutil config is failed with exit code: ${exitCode}`)
+  }
+}