...

examcloud-task-dao/src/main/java/cn/com/qmth/examcloud/task/dao/entity/ExamStudentTempEntity.java

@@ -17,7 +17,7 @@ import cn.com.qmth.examcloud.commons.web.jpa.JpaEntity;
  */
 @Entity
 @Table(name = "EC_T_EXAM_STUDENT_TMP", indexes = {
-		@Index(name = "IDX_T_EXAM_STU_001001", columnList = "batchId", unique = true)})
+		@Index(name = "IDX_T_EXAM_STU_001001", columnList = "batchId", unique = false)})
 public class ExamStudentTempEntity extends JpaEntity {
 
 	private static final long serialVersionUID = -6030503185547639031L;