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 64a4f1e..97f88b5 100644
--- a/src/main/java/cn/axzo/pokonyan/client/impl/DataSheetImporter.java
+++ b/src/main/java/cn/axzo/pokonyan/client/impl/DataSheetImporter.java
@@ -437,7 +437,7 @@ public class DataSheetImporter extends DataSheetClient.ImporterBuilder {
                 return;
             }
 
-            if (meta.getCellMetas().size() > dataListener.getLines().size()) {
+            if (meta.getCellMetas().size() > dataListener.getHeadMap().size()) {
                 throw DataSheetClient.ResultCode.IMPORT_COLUMN_MISSING_CELL_META.toException();
             }