diff --git a/src/main.rs b/src/main.rs
index c0b300a..bb982e7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,15 +12,18 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let db = Db::from_env();
     let email_service = EmailService::from_env();
 
-    let device_name = "Pixel 10";
+    let device_name = std::env::args()
+        .nth(1)
+        .or_else(|| std::env::var("DEVICE_NAME").ok())
+        .unwrap_or_else(|| "Pixel 10".to_string());
 
-    let token = match db.get_token_by_device(device_name).await? {
+    let token = match db.get_token_by_device(&device_name).await? {
         Some(token) => token,
         None => {
             let err_msg = format!("Device '{}' not found in database", device_name);
             eprintln!("{}", err_msg);
             if let Some(es) = &email_service {
-                if let Err(e) = es.send_fcm_failure_alert(device_name, &err_msg).await {
+                if let Err(e) = es.send_fcm_failure_alert(&device_name, &err_msg).await {
                     eprintln!("Failed to send alert email: {}", e);
                 }
             }
@@ -43,7 +46,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     if let Err(err) = service.send_notification(message).await {
         eprintln!("FCM notification failed: {}", err);
         if let Some(es) = &email_service {
-            if let Err(e) = es.send_fcm_failure_alert(device_name, &err.to_string()).await {
+            if let Err(e) = es.send_fcm_failure_alert(&device_name, &err.to_string()).await {
                 eprintln!("Failed to send alert email: {}", e);
             }
         }