diff --git a/tools/mms-mapping/src/main/java/com/njcn/gather/icd/mapping/component/JsonToXmlConversionService.java b/tools/mms-mapping/src/main/java/com/njcn/gather/icd/mapping/component/JsonToXmlConversionService.java
index 02305d2..e2bc874 100644
--- a/tools/mms-mapping/src/main/java/com/njcn/gather/icd/mapping/component/JsonToXmlConversionService.java
+++ b/tools/mms-mapping/src/main/java/com/njcn/gather/icd/mapping/component/JsonToXmlConversionService.java
@@ -745,7 +745,7 @@ public class JsonToXmlConversionService {
                                         continue;
                                     }
                                     String daPath = buildDaPath(sdiItem.getName(), typeItem.getName(), doiItem);
-                                    if(2==configType && (sdiItem.getDesc().contains("AB")||sdiItem.getDesc().contains("BC")||sdiItem.getDesc().contains("CA"))){
+                                    if(2==configType && fullKey.contains("线电压总有效值")){
                                         daPath = "1_" + daPath;
                                     }
                                     MetricInfo info = new MetricInfo();