diff --git a/src/main/resources/mapper/invite/InviteDao.xml b/src/main/resources/mapper/invite/InviteDao.xml
index 6b24f1b9..da8815cd 100644
--- a/src/main/resources/mapper/invite/InviteDao.xml
+++ b/src/main/resources/mapper/invite/InviteDao.xml
@@ -89,7 +89,7 @@
             tu.inviter_code = #{code};
     </select>
 
-    <select id="selectInviteSignByUser" resultType="list">
+    <select id="selectInviteSignByUser" resultType="Long">
         SELECT
             tu.user_id
         FROM