diff --git a/backend/app/service/FeishuNotificationService.php b/backend/app/service/FeishuNotificationService.php
index 96223c2..ad6817c 100644
--- a/backend/app/service/FeishuNotificationService.php
+++ b/backend/app/service/FeishuNotificationService.php
@@ -563,7 +563,8 @@ class FeishuNotificationService
             $app = $this->getAppConfig();
             $token = $this->getAccessToken();
 
-            $content = json_encode(['card' => $card]);
+            // 使用 JSON_UNESCAPED_UNICODE 避免 emoji 被转义
+            $content = json_encode(['card' => $card], JSON_UNESCAPED_UNICODE);
 
             error_log('📤 发送飞书消息: app_id=' . $app['app_id'] . ', feishu_user_id=' . $feishuUserId);
             error_log('📦 消息卡片: ' . json_encode($card, JSON_UNESCAPED_UNICODE));
@@ -713,7 +714,8 @@ class FeishuNotificationService
                         "https://open.feishu.cn/open-apis/im/v1/messages/{$message->message_id}/update",
                         [
                             'msg_type' => 'interactive',
-                            'content' => json_encode(['card' => $updatedCard]),
+                            // 使用 JSON_UNESCAPED_UNICODE 避免 emoji 被转义
+                            'content' => json_encode(['card' => $updatedCard], JSON_UNESCAPED_UNICODE),
                         ],
                         [
                             'Authorization: Bearer ' . $token,