TaskInstanceControllerTest started failing (#270)

diff --git a/seatunnel-server/seatunnel-app/src/main/resources/org/apache/seatunnel/app/dal/mapper/JobInstanceMapper.xml b/seatunnel-server/seatunnel-app/src/main/resources/org/apache/seatunnel/app/dal/mapper/JobInstanceMapper.xml
index 6f4b4df..9e4d661 100644
--- a/seatunnel-server/seatunnel-app/src/main/resources/org/apache/seatunnel/app/dal/mapper/JobInstanceMapper.xml
+++ b/seatunnel-server/seatunnel-app/src/main/resources/org/apache/seatunnel/app/dal/mapper/JobInstanceMapper.xml
@@ -35,7 +35,7 @@
         SELECT ji.*, jd.name AS jobDefineName, cu.username AS username
         FROM t_st_job_instance ji
         LEFT JOIN t_st_job_definition jd ON ji.job_define_id = jd.id
-        LEFT JOIN user cu ON ji.create_user_id = cu.id
+        LEFT JOIN `user` cu ON ji.create_user_id = cu.id
         <where>
             <if test="startTime != null">
                 AND ji.create_time <![CDATA[ >=]]> #{startTime}