diff --git a/postgresqlwriter/src/main/java/com/alibaba/datax/plugin/writer/postgresqlwriter/PostgresqlWriter.java b/postgresqlwriter/src/main/java/com/alibaba/datax/plugin/writer/postgresqlwriter/PostgresqlWriter.java
index 22dc0c1e..2d38db35 100755
--- a/postgresqlwriter/src/main/java/com/alibaba/datax/plugin/writer/postgresqlwriter/PostgresqlWriter.java
+++ b/postgresqlwriter/src/main/java/com/alibaba/datax/plugin/writer/postgresqlwriter/PostgresqlWriter.java
@@ -67,6 +67,8 @@ public class PostgresqlWriter extends Writer {
 				public String calcValueHolder(String columnType){
 					if("serial".equalsIgnoreCase(columnType)){
 						return "?::int";
+					}else if("bigserial".equalsIgnoreCase(columnType)){
+						return "?::int8";
 					}else if("bit".equalsIgnoreCase(columnType)){
 						return "?::bit varying";
 					}