diff --git a/src/sign.rs b/src/sign.rs
index 4c5c67d..d143a08 100644
--- a/src/sign.rs
+++ b/src/sign.rs
@@ -74,6 +74,7 @@ impl Command for CommandImpl {
         });
 
         information!("Start sign...");
+        information!("App id: {}", app_id);
         if let Err(e) = manager.sign(
             flags,
             timeout_ms,