diff --git a/tools/mms-mapping/src/main/java/com/njcn/gather/icd/mapping/infrastructure/parser/SclGeneratedModelReader.java b/tools/mms-mapping/src/main/java/com/njcn/gather/icd/mapping/infrastructure/parser/SclGeneratedModelReader.java
index b6bff12..082dd77 100644
--- a/tools/mms-mapping/src/main/java/com/njcn/gather/icd/mapping/infrastructure/parser/SclGeneratedModelReader.java
+++ b/tools/mms-mapping/src/main/java/com/njcn/gather/icd/mapping/infrastructure/parser/SclGeneratedModelReader.java
@@ -96,7 +96,7 @@ public class SclGeneratedModelReader {
      * 从 LN0 或 LN 中读取 DataSet 与 ReportControl 信息。
      */
     private void readReportAndDataSetFromAnyLn(TAnyLN anyLn, IcdDocument document) {
-        List<FcdaNode> allFcdas = new ArrayList<FcdaNode>();
+        //List<FcdaNode> allFcdas = new ArrayList<FcdaNode>();
         if (anyLn.getDataSet() != null) {
             for (TDataSet dataSet : anyLn.getDataSet()) {
                 DataSetNode dataSetNode = new DataSetNode();
@@ -105,7 +105,7 @@ public class SclGeneratedModelReader {
                     for (TFCDA fcda : dataSet.getFCDA()) {
                         FcdaNode node = toFcdaNode(fcda);
                         dataSetNode.getFcdas().add(node);
-                        allFcdas.add(node);
+                        //allFcdas.add(node);
                     }
                 }
                 document.getDataSets().put(dataSetNode.getName(), dataSetNode);
@@ -113,7 +113,7 @@ public class SclGeneratedModelReader {
         }
         for (DataSetNode dataSet : document.getDataSets().values()) {
             for (FcdaNode fcda : dataSet.getFcdas()) {
-                fcda.setSequenceCount(SclTraversalSupport.calculateSequenceCount(allFcdas, fcda));
+                fcda.setSequenceCount(SclTraversalSupport.calculateSequenceCount(dataSet.getFcdas(), fcda));
             }
         }