diff --git a/src/main/java/com/mmlsystem/CheckinSystem/CheckinCommand.java b/src/main/java/com/mmlsystem/CheckinSystem/CheckinCommand.java
index 04d3df2..8dd2fbc 100644
--- a/src/main/java/com/mmlsystem/CheckinSystem/CheckinCommand.java
+++ b/src/main/java/com/mmlsystem/CheckinSystem/CheckinCommand.java
@@ -15,11 +15,14 @@ public class CheckinCommand implements CommandExecutor {
 
     @Override
     public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, String[] args) {
-        if (!(sender instanceof Player)) return false;
+        if (!(sender instanceof Player)) {
+            sender.sendMessage("§6没活可以咬打火机");
+            return false;
+        }
 
         Player player = (Player) sender;
 
-        player.sendMessage("签到中，请稍候...");
+        player.sendMessage("§b签到中，请稍候...");
         manager.checkinAsync(player, message -> player.sendMessage(message));
         return true;
     }