chore(aikefu): 更新UI： 会话管理

src/addon/aikefu/shop/controller/Kefu.php

@@ -221,16 +221,16 @@ class Kefu extends BaseShop
         $limit = input("limit/d", 50);
         $conversation_id = input("conversation_id/s", "");
 
-        if (empty($conversation_id)) {
-            return $this->error('会话ID不能为空');
-        }
-
         $kefu_message_model = new KefuMessageModel();
         $condition = [
-            ['site_id', '=', $this->site_id],
-            ['conversation_id', '=', $conversation_id]
+            ['site_id', '=', $this->site_id]
         ];
 
+        // 只有当会话ID不为空时才添加会话ID条件
+        if (!empty($conversation_id)) {
+            $condition[] = ['conversation_id', '=', $conversation_id];
+        }
+
         $message_list = $kefu_message_model->getMessageList($condition, '*', 'create_time asc', $page, $limit);
 
         return $this->success('获取消息列表成功', null, $message_list);