diff --git a/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/QualFilingChangeExecutor.java b/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/QualFilingChangeExecutor.java
index d772caf8..5d12ffc3 100644
--- a/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/QualFilingChangeExecutor.java
+++ b/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/QualFilingChangeExecutor.java
@@ -1005,7 +1005,7 @@ public class QualFilingChangeExecutor implements QualFilingChangeApi {
             diffEquipmentField(details, changeId, prefix, "校准初始值", oldE.getCalibrationInitValue(), newE.getCalibrationInitValue());
             diffEquipmentField(details, changeId, prefix, "现场校验类型编码", oldE.getFieldCalibrationTypeCode(), newE.getFieldCalibrationTypeCode());
             diffEquipmentField(details, changeId, prefix, "现场校验类型名称", oldE.getFieldCalibrationTypeName(), newE.getFieldCalibrationTypeName());
-            diffEquipmentField(details, changeId, prefix, "是否双路", oldE.getDualChannelFlag(), newE.getDualChannelFlag());
+            diffEquipmentField(details, changeId, prefix, "是否双路", oldE.getDualChannelFlag() == 1 ? "是" : "否", newE.getDualChannelFlag() == 1 ? "是" : "否");
             diffEquipmentField(details, changeId, prefix, "计量检定报告地址", oldE.getCalibrationReportUrl(), newE.getCalibrationReportUrl());
         }
         return details;
@@ -1095,6 +1095,7 @@ public class QualFilingChangeExecutor implements QualFilingChangeApi {
         return before != null && after != null && before.compareTo(after) == 0;
     }
 
+
     /**
      * 通用值比较：BigDecimal 走 compareTo 忽略 scale 差异，其余走 Objects.equals
      */
diff --git a/safety-eval-domain/src/main/java/org/qinan/safetyeval/domain/change/model/QualFilingEquipmentChangeE.java b/safety-eval-domain/src/main/java/org/qinan/safetyeval/domain/change/model/QualFilingEquipmentChangeE.java
index a370fe47..4a339795 100644
--- a/safety-eval-domain/src/main/java/org/qinan/safetyeval/domain/change/model/QualFilingEquipmentChangeE.java
+++ b/safety-eval-domain/src/main/java/org/qinan/safetyeval/domain/change/model/QualFilingEquipmentChangeE.java
@@ -93,7 +93,7 @@ public class QualFilingEquipmentChangeE extends BaseE {
     /**
      * 是否双路(1是2否)
      */
-    private Long dualChannelFlag;
+    private Integer dualChannelFlag;
     /**
      * 计量检定报告地址
      */