diff --git a/ccic-entity/src/main/java/com/ccic/safeliab/entity/ExamSchedule.java b/ccic-entity/src/main/java/com/ccic/safeliab/entity/ExamSchedule.java
index 10bfc83..9e74529 100644
--- a/ccic-entity/src/main/java/com/ccic/safeliab/entity/ExamSchedule.java
+++ b/ccic-entity/src/main/java/com/ccic/safeliab/entity/ExamSchedule.java
@@ -51,4 +51,6 @@ public class ExamSchedule extends BaseEntity{
     private String validTo;
     private Integer publishStatus;
     private String remark;
+    @TableField(exist = false)
+    private String examDuration;
 }
diff --git a/ccic-exam/src/main/resources/mappers/ExamScheduleMapper.xml b/ccic-exam/src/main/resources/mappers/ExamScheduleMapper.xml
index af9c94d..0fa5562 100644
--- a/ccic-exam/src/main/resources/mappers/ExamScheduleMapper.xml
+++ b/ccic-exam/src/main/resources/mappers/ExamScheduleMapper.xml
@@ -15,6 +15,7 @@
         END AS exam_region,
         info.valid_from,
         info.valid_to,
+        paper.exam_duration as examDuration
         info.publish_status
         FROM
         ex_exam_info info