fix

examcloud-core-examwork-api-provider/src/main/java/cn/com/qmth/examcloud/core/examwork/api/provider/ExamCloudServiceProvider.java

@@ -36,6 +36,7 @@ import cn.com.qmth.examcloud.commons.exception.StatusException;
 import cn.com.qmth.examcloud.commons.helpers.DynamicEnum;
 import cn.com.qmth.examcloud.commons.helpers.DynamicEnumManager;
 import cn.com.qmth.examcloud.core.examwork.base.enums.ExamProperty;
+import cn.com.qmth.examcloud.core.examwork.base.util.IpUtil;
 import cn.com.qmth.examcloud.core.examwork.dao.ExamCourseRelationRepo;
 import cn.com.qmth.examcloud.core.examwork.dao.ExamIpLimitRepo;
 import cn.com.qmth.examcloud.core.examwork.dao.ExamPaperTypeRelationRepo;
@@ -276,6 +277,7 @@ public class ExamCloudServiceProvider extends ControllerSupport implements ExamC
     		if(CollectionUtils.isNotEmpty(req.getIpWhitelist())) {
     			List<ExamIpLimitEntity> ips=new ArrayList<>();
     			for(String ip:req.getIpWhitelist()) {
+    				IpUtil.checkIp(ip);
     				ExamIpLimitEntity tem=new ExamIpLimitEntity();
     				tem.setExamId(saved.getId());
     				tem.setIp(ip);