修改61活动学员排课次数

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

@@ -19,7 +19,7 @@ public class ActivityCourseDetailDto {
     @ApiModelProperty(value = "乐理课", required = false)
     private Integer musicTheory = 0;
 
-    private BigDecimal musicTheoryPrice;
+    private BigDecimal musicTheoryPrice = BigDecimal.ZERO;
 
     public void setMusicTheoryPrice(BigDecimal musicTheoryPrice) {
         this.musicTheoryPrice = musicTheoryPrice;