diff --git a/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/row/DorisBaseSerializer.java b/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/row/DorisBaseSerializer.java
index 8e77d719..9876b0f0 100644
--- a/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/row/DorisBaseSerializer.java
+++ b/doriswriter/src/main/java/com/dorisdb/connector/datax/plugin/writer/doriswriter/row/DorisBaseSerializer.java
@@ -1,34 +1,10 @@
 package com.dorisdb.connector.datax.plugin.writer.doriswriter.row;
 
-import java.util.TimeZone;
-
 import com.alibaba.datax.common.element.Column;
-import com.alibaba.datax.common.element.DateColumn;
 import com.alibaba.datax.common.element.Column.Type;
-import com.alibaba.datax.common.util.Configuration;
-
-import org.apache.commons.lang3.time.DateFormatUtils;
 
 public class DorisBaseSerializer {
 
-    static String datetimeFormat = "yyyy-MM-dd HH:mm:ss";
-
-	static String dateFormat = "yyyy-MM-dd";
-
-	static String timeFormat = "HH:mm:ss";
-
-	static String timeZone = "GMT+8";
-
-	static TimeZone timeZoner = TimeZone.getTimeZone(DorisBaseSerializer.timeZone);
-
-	static void init(final Configuration configuration) {
-		DorisBaseSerializer.datetimeFormat = configuration.getString("common.column.datetimeFormat", datetimeFormat);
-        DorisBaseSerializer.timeFormat = configuration.getString("common.column.timeFormat", timeFormat);
-        DorisBaseSerializer.dateFormat = configuration.getString("common.column.dateFormat", dateFormat);
-        DorisBaseSerializer.timeZone = configuration.getString("common.column.timeZone", DorisBaseSerializer.timeZone);
-        DorisBaseSerializer.timeZoner = TimeZone.getTimeZone(DorisBaseSerializer.timeZone);
-	}
-
     protected String fieldConvertion(Column col) {
         if (null == col.getRawData()) {
             return null;
@@ -36,20 +12,7 @@ public class DorisBaseSerializer {
         if (Type.BOOL == col.getType()) {
             return String.valueOf(col.asLong());
         }
-        if (Type.DATE != col.getType()) {
-            return col.asString();
-        }
-        DateColumn.DateType type = ((DateColumn)col).getSubType();
-        if (type == DateColumn.DateType.DATE) {
-            return DateFormatUtils.format(col.asDate(),  DorisBaseSerializer.dateFormat, DorisBaseSerializer.timeZoner);
-        }
-        if (type == DateColumn.DateType.TIME) {
-            return DateFormatUtils.format(col.asDate(), DorisBaseSerializer.timeFormat, DorisBaseSerializer.timeZoner);
-        }
-        if (type == DateColumn.DateType.DATETIME) {
-            return DateFormatUtils.format(col.asDate(), DorisBaseSerializer.datetimeFormat, DorisBaseSerializer.timeZoner);
-        }
-        return null;
+        return col.asString();
     }
-    
+
 }