修复bug2

wisenergy-service/src/main/java/cn/wisenergy/service/app/impl/SchemeServiceImpl.java

@@ -596,27 +596,27 @@ public class SchemeServiceImpl extends ServiceImpl<SchemeMapper, SchemeInfo> imp
     private List<String> getClassName(ScoreInfo scoreInfo) {
         List<String> name = new ArrayList<>();
         name.add(StudentClassEnum.UNLIMITED.getDesc());
-        if (scoreInfo.getPhysicsGrade() >= 0) {
+        if (null != scoreInfo.getPhysicsGrade() && scoreInfo.getPhysicsGrade() >= 0) {
             name.add(StudentClassEnum.PHYSICS_GRADE.getDesc());
         }
 
-        if (scoreInfo.getChemistryGrade() >= 0) {
+        if (null != scoreInfo.getChemistryGrade() && scoreInfo.getChemistryGrade() >= 0) {
             name.add(StudentClassEnum.CHEMISTRY_GRADE.getDesc());
         }
 
-        if (scoreInfo.getBiologyGrade() >= 0) {
+        if (null != scoreInfo.getBiologyGrade() && scoreInfo.getBiologyGrade() >= 0) {
             name.add(StudentClassEnum.BIOLOGY_GRADE.getDesc());
         }
 
-        if (scoreInfo.getHistoryGrade() >= 0) {
+        if (null != scoreInfo.getHistoryGrade() && scoreInfo.getHistoryGrade() >= 0) {
             name.add(StudentClassEnum.HISTORY_GRADE.getDesc());
         }
 
-        if (scoreInfo.getGeographyGrade() >= 0) {
+        if (null != scoreInfo.getGeographyGrade() && scoreInfo.getGeographyGrade() >= 0) {
             name.add(StudentClassEnum.GEOGRAPHY_GRADE.getDesc());
         }
 
-        if (scoreInfo.getPoliticsGrade() >= 0) {
+        if (null != scoreInfo.getPoliticsGrade() && scoreInfo.getPoliticsGrade() >= 0) {
             name.add(StudentClassEnum.POLITICS_GRADE.getDesc());
         }