diff --git a/.gitignore b/.gitignore
index 72891a4..de23460 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,7 @@ runtime.trace
 .DS_Store
 
 data
+nimo-shake-v*
 
 .cache/
 diagnostic/
diff --git a/ChangeLog b/ChangeLog
index ae1df51..df159dc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2021-05-18
+	* VERSION: 1.0.12
+	* BUGFIX: parse int value empty.
+
 2021-04-07
 	* VERSION: 1.0.11
 	* IMPROVE: data source support endpoint_url.
diff --git a/src/nimo-shake/protocal/type_converter.go b/src/nimo-shake/protocal/type_converter.go
index baa8395..0943b02 100644
--- a/src/nimo-shake/protocal/type_converter.go
+++ b/src/nimo-shake/protocal/type_converter.go
@@ -6,6 +6,7 @@ import (
 
 	"github.com/aws/aws-sdk-go/service/dynamodb"
 	"github.com/vinllen/mgo/bson"
+	"github.com/vinllen/mongo-go-driver/bson/primitive"
 	LOG "github.com/vinllen/log4go"
 	"strconv"
 )
@@ -181,7 +182,8 @@ func (tc *TypeConverter) convertToDetail(name string, input interface{}) interfa
 		return input.(bool)
 	case "N":
 		v := input.(string)
-		val, err := bson.ParseDecimal128(v)
+		// for new driver, we need to parse the value to mongo-go-driver.bson.decimal128, not mgo.bson.decimal128
+		/* val, err := bson.ParseDecimal128(v)
 		if err != nil {
 			LOG.Error("convert N to decimal128 failed[%v]", err)
 			val2, err := strconv.ParseFloat(v, 64)
@@ -191,6 +193,17 @@ func (tc *TypeConverter) convertToDetail(name string, input interface{}) interfa
 
 			val, _ = bson.ParseDecimal128(fmt.Sprintf("%v", val2))
 			return val
+		}*/
+		val, err := primitive.ParseDecimal128(v)
+		if err != nil {
+			LOG.Error("convert N to decimal128 failed[%v]", err)
+			val2, err := strconv.ParseFloat(v, 64)
+			if err != nil {
+				LOG.Crashf("convert N to decimal128 and float64 both failed[%v]", err)
+			}
+
+			val, _ = primitive.ParseDecimal128(fmt.Sprintf("%v", val2))
+			return val
 		}
 		return val
 	case "S":
diff --git a/src/nimo-shake/writer/mongodb_community_driver.go b/src/nimo-shake/writer/mongodb_community_driver.go
index 9f0a632..152bd9f 100644
--- a/src/nimo-shake/writer/mongodb_community_driver.go
+++ b/src/nimo-shake/writer/mongodb_community_driver.go
@@ -115,6 +115,7 @@ func (mcw *MongoCommunityWriter) WriteBulk(input []interface{}) error {
 	models := make([]mongo.WriteModel, len(input))
 	for i := range models {
 		models[i] = &mongo.InsertOneModel{Document: input[i]}
+		LOG.Debug("WriteBulk: %v", input[i])
 	}
 
 	_, err := mcw.conn.Client.Database(mcw.ns.Database).Collection(mcw.ns.Collection).BulkWrite(nil, models)