diff --git a/src/main/java/com/zhgd/xmgl/modules/xz/controller/XzRiskPredictionController.java b/src/main/java/com/zhgd/xmgl/modules/xz/controller/XzRiskPredictionController.java
index b49eeb1ad..0832aaa5e 100644
--- a/src/main/java/com/zhgd/xmgl/modules/xz/controller/XzRiskPredictionController.java
+++ b/src/main/java/com/zhgd/xmgl/modules/xz/controller/XzRiskPredictionController.java
@@ -56,6 +56,7 @@ import io.swagger.annotations.ApiImplicitParams;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections.MapUtils;
+import org.omg.CORBA.ExceptionList;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.web.bind.annotation.*;
@@ -643,10 +644,8 @@ public class XzRiskPredictionController {
         WorkerType workerType = workerTypeService.getOne(Wrappers.<WorkerType>lambdaQuery()
                 .eq(WorkerType::getProjectSn, projectSn)
                 .eq(WorkerType::getTypeName, "特殊工种"));
-
         List<ExamTrain> examTrainList = examTrainService.list(Wrappers.<ExamTrain>lambdaQuery().eq(ExamTrain::getProjectSn, projectSn)
                 .isNotNull(ExamTrain::getExamPaperId));
-
         for (ProjectEnterprise projectEnterprise : parentList) {
             EnterpriseInfo enterpriseInfo = enterpriseInfoService.getById(projectEnterprise.getEnterpriseId());
             List<Long> enterpriseIds = allList.stream().filter(a -> a.getAncestors().contains(projectEnterprise.getId().toString())).collect(Collectors.toList())
@@ -685,13 +684,14 @@ public class XzRiskPredictionController {
                             int pass = trainRecordList.stream().filter(t -> t.getIsPass() == 1).collect(Collectors.toList()).size();
                             record.setPassRadio(trainRecordList.size() == 0 ? null : new BigDecimal(pass).divide(new BigDecimal(trainRecordList.size()), 2, BigDecimal.ROUND_HALF_UP));
                         } else {
-                            record.setPassRadio(new BigDecimal(1));
+                            record.setPassRadio(null);
                         }
                     }
                 }
+                List<ExamTrain> joinList = examTrainList.stream().filter(s -> s.getPassRadio() != null).collect(Collectors.toList());
                 // 教育培训
-                BigDecimal passRadio = examTrainList.stream().map(e -> e.getPassRadio()).reduce(BigDecimal.ZERO, BigDecimal::add);
-                resultMap.put("exam", examTrainList.size() == 0 ? null : new BigDecimal(1).subtract(passRadio.divide(new BigDecimal(examTrainList.size()), 2, BigDecimal.ROUND_HALF_UP)));
+                BigDecimal passRadio = joinList.stream().map(e -> e.getPassRadio()).reduce(BigDecimal.ZERO, BigDecimal::add);
+                resultMap.put("exam", joinList.size() == 0 ? 0 : new BigDecimal(1).subtract(passRadio.divide(new BigDecimal(joinList.size()), 2, BigDecimal.ROUND_HALF_UP)));
             } else {
                 resultMap.put("exam", 0);
             }