美术阅卷10月新增需求-BUG修复

stmms-ms-core/src/main/java/cn/com/qmth/stmms/ms/core/domain/Student.java

@@ -10,7 +10,7 @@ import java.io.Serializable;
 @Entity
 @Table(indexes = {
         @Index(name = "idx_student_name", columnList = "name"),
-        @Index(name = "idx_student_examnumber", columnList = "examNumber")})
+        @Index(name = "exam_number", columnList = "examNumber", unique = true)})
 public class Student implements Serializable {