Merge branch 'zx_saas_1220' of http://git.dayaedu.com/yonge/mec into test

mec-biz/src/main/java/com/ym/mec/biz/dal/dto/StudentLessonTrainingDetailWrapper.java

@@ -70,6 +70,12 @@ public class StudentLessonTrainingDetailWrapper {
         @ApiModelProperty("分谱")
         private Integer partIndex;
 
+        @ApiModelProperty("开始小节")
+        private Integer start;
+
+        @ApiModelProperty("结束小节")
+        private Integer end;
+
         @ApiModelProperty("练习速度")
         private Integer trainingSpeed;