add. 课程权重设置更改enable获取方式

teachcloud-obe/src/main/java/com/qmth/teachcloud/obe/service/impl/ObeCourseWeightServiceImpl.java

@@ -205,7 +205,7 @@ public class ObeCourseWeightServiceImpl extends ServiceImpl<ObeCourseWeightMappe
 
                 Boolean enable = detail.getEnable();
                 BigDecimal weight = detail.getWeight();
-                if (weight.compareTo(BigDecimal.ZERO) > 0){
+                if (Objects.nonNull(weight) && weight.compareTo(BigDecimal.ZERO) > 0){
                     enable = true;
                 }
                 if (enable) {