diff --git a/plugin-unstructured-storage-util/src/main/java/com/alibaba/datax/plugin/unstructuredstorage/reader/UnstructuredStorageReaderUtil.java b/plugin-unstructured-storage-util/src/main/java/com/alibaba/datax/plugin/unstructuredstorage/reader/UnstructuredStorageReaderUtil.java
index 27f4c48a..fd1dda47 100755
--- a/plugin-unstructured-storage-util/src/main/java/com/alibaba/datax/plugin/unstructuredstorage/reader/UnstructuredStorageReaderUtil.java
+++ b/plugin-unstructured-storage-util/src/main/java/com/alibaba/datax/plugin/unstructuredstorage/reader/UnstructuredStorageReaderUtil.java
@@ -431,7 +431,7 @@ public class UnstructuredStorageReaderUtil {
 							break;
 						case DATE:
 							try {
-								if (columnValue == null) {
+								if(StringUtils.isBlank(columnValue)) {
 									Date date = null;
 									columnGenerated = new DateColumn(date);
 								} else {