diff --git a/app/chat/controller/MessageController.php b/app/chat/controller/MessageController.php
index 766cc3c..8be767e 100644
--- a/app/chat/controller/MessageController.php
+++ b/app/chat/controller/MessageController.php
@@ -235,12 +235,29 @@ class MessageController extends ApiController
             }
             $msg = '';
             if($lastMsg) {
+                switch ($lastMsg['msg_type']) {
+                    case 1:
+                        $content = $lastMsg['content'];
+                        break;
+                    case 2:
+                        $content = '[图片]';
+                        break;
+                    case 3:
+                        $content = '[订单]';
+                        break;
+                    case 4:
+                        $content = '[优惠券]';
+                        break;
+                    case 5:
+                        $content = '[视频]';
+                        break;
+                }
                 // 如果是自己发的不显示发送人
                 if($lastMsg['from_id'] == $this->uid) {
-                    $msg = $lastMsg['content'];
+                    $msg = $content;
                 }else {
                     // 如果是别人发的显示昵称
-                    $msg = $chat_user['nick_name'] . '：' . $lastMsg['content'];
+                    $msg = $chat_user['nick_name'] . '：' . $content;
                 }
                 $data[$k]['send_time_origin'] = $lastMsg['send_time'];
                 $data[$k]['send_time'] = formatWeChatTime($lastMsg['send_time']);
diff --git a/app/functions.php b/app/functions.php
index 463f9d1..da789d1 100644
--- a/app/functions.php
+++ b/app/functions.php
@@ -140,6 +140,25 @@ function simple_decrypt(string $ciphertext, string $key): string|false
     }
 }
 
+/**
+ * 多维数组排序
+ */
+function param_sort($chatList, $param)
+{
+    usort($chatList, function ($a, $b) use($param) {
+        // 将时间字符串转为时间戳，便于比较
+        $timeA = strtotime($a[$param]);
+        $timeB = strtotime($b[$param]);
+
+        // 倒序：$timeB - $timeA（正序则$timeA - $timeB）
+        return $timeB - $timeA;
+    });
+
+    return $chatList;
+}
+
+
+
 
 /**
  * 微信风格时间格式化（仅用原生 date/strtotime 函数，周一为一周起点）