diff --git a/src/main/java/cn/axzo/pokonyan/client/impl/DataSheetImporter.java b/src/main/java/cn/axzo/pokonyan/client/impl/DataSheetImporter.java
index 97f88b5..55ee5da 100644
--- a/src/main/java/cn/axzo/pokonyan/client/impl/DataSheetImporter.java
+++ b/src/main/java/cn/axzo/pokonyan/client/impl/DataSheetImporter.java
@@ -363,11 +363,11 @@ public class DataSheetImporter extends DataSheetClient.ImporterBuilder {
                     .mapToObj(lineIndex -> {
                         Map<Integer, String> line = lines.get(lineIndex);
                         // 收集每一行每一列的转换结果
-                        Map<Boolean, List<ColumnConvertResp>> convertRespMap = headerMap.entrySet().stream()
-                                .map(entry -> {
-                                    Integer columnIndex = entry.getKey();
-                                    DataSheetClient.CellMeta cellMeta = cellMetaMap.get(columnIndex);
-                                    return convertType(cellMeta, line.get(columnIndex), lineIndex, columnIndex);
+                        Map<Boolean, List<ColumnConvertResp>> convertRespMap = cellMetaMap.entrySet()
+                                .stream()
+                                .map(cellMeta -> {
+                                    Integer columnIndex = cellMeta.getKey();
+                                    return convertType(cellMeta.getValue(), line.get(columnIndex), lineIndex, columnIndex);
                                 })
                                 .collect(Collectors.groupingBy(ColumnConvertResp::getSuccess));