diff --git a/src/Drivers/HogeDriver.php b/src/Drivers/HogeDriver.php
index b9c7c42..b88f661 100644
--- a/src/Drivers/HogeDriver.php
+++ b/src/Drivers/HogeDriver.php
@@ -10,7 +10,7 @@ class HogeDriver extends AbstractDriver
 {
     const SEND_URL = '/api/sms/send';
 
-    const USECASE_URL = '/api/sms/usecase';
+    const USE_CASE_URL = '/api/sms/usecase';
 
     public function send(SmsableInterface $smsable): array
     {
@@ -65,7 +65,7 @@ class HogeDriver extends AbstractDriver
 
     public function serivce()
     {
-        $url = $this->config->get('sms_api_url').self::USECASE_URL;
+        $url = $this->config->get('sms_api_url').self::USE_CASE_URL;
 
         $response = $this->client->get($url, [
             'custom_appid'  => $this->config->get('sms_appid'),