diff --git a/app.go b/app.go
index d69e27e..927a6c8 100644
--- a/app.go
+++ b/app.go
@@ -8,7 +8,7 @@ import (
 	"go.mongodb.org/mongo-driver/mongo/options"
 )
 
-const Version = "1.0.3"
+const Version = "1.0.4"
 
 type Client struct {
 	Db             *mongo.Client // 驱动
diff --git a/time.go b/time.go
index d5972de..32cb769 100644
--- a/time.go
+++ b/time.go
@@ -2,13 +2,49 @@ package gomongo
 
 import (
 	"github.com/dtapps/gotime"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
 	"time"
 )
 
 // BsonTime 类型
-type BsonTime string
+type BsonTime time.Time
 
-// BsonTime 时间类型
-func (c *Client) BsonTime(value time.Time) string {
-	return gotime.SetCurrent(value).Bson()
+// Value 时间类型
+func (t BsonTime) Value() string {
+	return gotime.SetCurrent(time.Time(t)).Bson()
+}
+
+// MarshalJSON 实现json序列化
+func (t BsonTime) MarshalJSON() ([]byte, error) {
+	//log.Println("MarshalJSON")
+	b := make([]byte, 0)
+	b = append(b, gotime.SetCurrent(time.Time(t)).Bson()...)
+	return b, nil
+}
+
+// UnmarshalJSON 实现json反序列化
+func (t *BsonTime) UnmarshalJSON(data []byte) (err error) {
+	//log.Println("UnmarshalJSON")
+	t1 := gotime.SetCurrentParse(string(data))
+	*t = BsonTime(t1.Time)
+	return
+}
+
+// MarshalBSONValue 实现bson序列化
+func (t BsonTime) MarshalBSONValue() (bsontype.Type, []byte, error) {
+	//log.Println("MarshalBSONValue")
+	targetTime := gotime.SetCurrent(time.Time(t)).Bson()
+	return bson.MarshalValue(targetTime)
+}
+
+// UnmarshalBSONValue 实现bson反序列化
+func (t *BsonTime) UnmarshalBSONValue(t2 bsontype.Type, data []byte) error {
+	//log.Println("UnmarshalBSONValue")
+	t1 := gotime.SetCurrentParse(string(data))
+	//if string(data) == "" {
+	//	return errors.New(fmt.Sprintf("%s, %s, %s", "读取数据失败:", t2, data))
+	//}
+	*t = BsonTime(t1.Time)
+	return nil
 }