diff --git a/src/DataService/DataService.php b/src/DataService/DataService.php
index 34238d4..b615461 100644
--- a/src/DataService/DataService.php
+++ b/src/DataService/DataService.php
@@ -10,6 +10,7 @@ interface DataService extends
     DataServiceInterface,
     AgreementInterface,
     ConfigInterface,
+    HotSearchInterface,
     AppVersionInterface,
     RecruitUnitInterface,
     CampusRelationInterface,
diff --git a/src/DataService/HotSearchInterface.php b/src/DataService/HotSearchInterface.php
new file mode 100644
index 0000000..5b10311
--- /dev/null
+++ b/src/DataService/HotSearchInterface.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace Dhd\Micro\Interface\DataService;
+
+interface HotSearchInterface
+{
+    /**
+     * 记录搜索行为（热搜统计数据源，仅记录不返回榜单）
+     * @param array $params 包含：platform 平台、keyword 关键词、user_id 用户ID（未登录0）、result_count 聚合搜索结果数
+     */
+    public function recordSearchKeyword(array $params): array;
+
+    /**
+     * 获取热搜词列表：运营置顶词优先，其后为近7天真实搜索热度词
+     * @param string $platform 平台
+     * @param int $limit 获取数量
+     */
+    public function getHotSearchList(string $platform = 'app', int $limit = 10): array;
+}