diff --git a/contrib/drivers/pgsql/pgsql_do_insert.go b/contrib/drivers/pgsql/pgsql_do_insert.go
index 4134da659..d59d3f936 100644
--- a/contrib/drivers/pgsql/pgsql_do_insert.go
+++ b/contrib/drivers/pgsql/pgsql_do_insert.go
@@ -82,7 +82,7 @@ func (d *Driver) getPrimaryKeys(ctx context.Context, table string) ([]string, er
 
 	var primaryKeys []string
 	for _, field := range tableFields {
-		if gstr.Equal(field.Key, "PRI") {
+		if gstr.Equal(field.Key, "pri") {
 			primaryKeys = append(primaryKeys, field.Name)
 		}
 	}