diff --git a/backend/src/main/java/io/dataease/datasource/provider/JdbcProvider.java b/backend/src/main/java/io/dataease/datasource/provider/JdbcProvider.java
index 6a5fdd24d8..8055b25533 100644
--- a/backend/src/main/java/io/dataease/datasource/provider/JdbcProvider.java
+++ b/backend/src/main/java/io/dataease/datasource/provider/JdbcProvider.java
@@ -202,7 +202,7 @@ public class JdbcProvider extends DatasourceProvider {
                     tableFiled.setFieldSize(Integer.valueOf(resultSet.getString("COLUMN_SIZE")));
                     String dbType = resultSet.getString("TYPE_NAME");
                     tableFiled.setFieldType(dbType);
-                    if(StringUtils.isNotEmpty(dbType) && dbType.equalsIgnoreCase("date") && tableFiled.getFieldSize() < 50 ){
+                    if(StringUtils.isNotEmpty(dbType) && dbType.toLowerCase().contains("date") && tableFiled.getFieldSize() < 50 ){
                         tableFiled.setFieldSize(50);
                     }
                     list.add(tableFiled);
diff --git a/backend/src/main/java/io/dataease/service/dataset/ExtractDataService.java b/backend/src/main/java/io/dataease/service/dataset/ExtractDataService.java
index b8ddd95a4e..049c6a4fcc 100644
--- a/backend/src/main/java/io/dataease/service/dataset/ExtractDataService.java
+++ b/backend/src/main/java/io/dataease/service/dataset/ExtractDataService.java
@@ -121,7 +121,7 @@ public class ExtractDataService {
             switch (datasetTableField.getDeExtractType()) {
                 case 0:
                     if (datasetTableField.getSize() > 65533) {
-                        Column_Fields = Column_Fields + "String" + ",`";
+                        Column_Fields = Column_Fields + "varchar(65533)" + ",`";
                     } else {
                         Column_Fields = Column_Fields + "varchar(lenth)".replace("lenth", String.valueOf(datasetTableField.getSize())) + ",`";
                     }