diff --git a/common/src/main/resources/mapper_dao/ProMemberDao.xml b/common/src/main/resources/mapper_dao/ProMemberDao.xml
index 313cd4e4..1fe9dcc5 100644
--- a/common/src/main/resources/mapper_dao/ProMemberDao.xml
+++ b/common/src/main/resources/mapper_dao/ProMemberDao.xml
@@ -19,6 +19,7 @@
             rec_status = 0
         AND project_id = #{projectId}
         AND user_id = #{userId}
+        limit 1
     </select>
 
     <select id="queryMembersOfProject" resultType="java.lang.Long">