diff --git a/detection/src/main/java/com/njcn/gather/detection/service/impl/DetectionServiceImpl.java b/detection/src/main/java/com/njcn/gather/detection/service/impl/DetectionServiceImpl.java
index d8f816b4..73f47a65 100644
--- a/detection/src/main/java/com/njcn/gather/detection/service/impl/DetectionServiceImpl.java
+++ b/detection/src/main/java/com/njcn/gather/detection/service/impl/DetectionServiceImpl.java
@@ -1752,8 +1752,8 @@ public class DetectionServiceImpl {
 
             Map<String, List<Double>> validData = this.getValidData(standardDevDataList, desc);
 
+            Integer validGroupNum = 0;
             if (map.containsKey(TYPE_T)) {
-                Integer validGroupNum = 0;
                 if (ObjectUtil.isNotNull(validData)) {
                     List<Double> tValidDataList = validData.get(TYPE_T);
                     validGroupNum = this.getValidGroupNum(tValidDataList, null, errSysDtls, fData, scale, dataRule);
@@ -1776,7 +1776,13 @@ public class DetectionServiceImpl {
                 phases.add(TYPE_B);
 
                 for (String phase : phases) {
+                    if (ObjectUtil.isNotNull(validData)) {
+                        List<Double> validDataList = validData.get(phase);
+                        validGroupNum = this.getValidGroupNum(validDataList, null, errSysDtls, fData, scale, dataRule);
+                    }
+
                     List<DetectionData> phaseList = rangeComparisonList(map.get(phase).get(0), map.get(phase).get(1), errSysDtls, fData, scale, dataRule);
+                    this.setValidGroupNum(phaseList, validGroupNum);
                     resultFlag.addAll(phaseList);
                     BiConsumer<ContrastNonHarmonicResult, List<DetectionData>> setter = setters.get(phase);
                     setter.accept(result, phaseList);