diff --git a/src/main/resources/mapper/app/ResultRecordMapper.xml b/src/main/resources/mapper/app/ResultRecordMapper.xml
index f9fc6f6d..3d71425c 100644
--- a/src/main/resources/mapper/app/ResultRecordMapper.xml
+++ b/src/main/resources/mapper/app/ResultRecordMapper.xml
@@ -455,7 +455,7 @@
         and r.start_id = #{req.startId}
         <if test="req.copyEvaluationIds !=null and req.copyEvaluationIds !=''">
             and r.evaluation_id in(
-            <foreach collection="req.copyEvaluationIds.split(',')" item="evaluation_id" separator="">
+            <foreach collection="req.copyEvaluationIds.split(',')" item="evaluation_id" separator=",">
                 #{evaluation_id}
             </foreach>
             )
@@ -468,7 +468,7 @@
         </if>
         <if test="req.staffIds !=null and req.staffIds !=''">
             and r.staff_id in(
-            <foreach collection="req.staffIds.split(',')" item="staff_id"  separator="">
+            <foreach collection="req.staffIds.split(',')" item="staff_id"  separator=",">
                 #{staff_id}
             </foreach>
             )