diff --git a/app/Console/Commands/AiHeartbeatCommand.php b/app/Console/Commands/AiHeartbeatCommand.php
index e675b7e..848cd02 100644
--- a/app/Console/Commands/AiHeartbeatCommand.php
+++ b/app/Console/Commands/AiHeartbeatCommand.php
@@ -264,7 +264,7 @@ class AiHeartbeatCommand extends Command
         $content = '【'.e($user->username).'】完成今日签到，连续签到 '
             .$dailySignIn->streak_days.' 天，获得 '.$rewardText.$identityText.'。';
 
-        $this->broadcastSystemMessage('签到播报', $content, '#0f766e');
+        $this->broadcastSystemMessage('系统传音', $content, '#0f766e');
     }
 
     /**
diff --git a/app/Http/Controllers/DailySignInController.php b/app/Http/Controllers/DailySignInController.php
index 85b7a13..655d53b 100644
--- a/app/Http/Controllers/DailySignInController.php
+++ b/app/Http/Controllers/DailySignInController.php
@@ -154,7 +154,7 @@ class DailySignInController extends Controller
         $message = [
             'id' => $this->chatState->nextMessageId($roomId),
             'room_id' => $roomId,
-            'from_user' => '签到播报',
+            'from_user' => '系统传音',
             'to_user' => '大家',
             'content' => $this->buildNoticeContent($user, $dailySignIn, $currentStreakDays),
             'is_secret' => false,