diff --git a/db/mongodb/mongodb.go b/db/mongodb/mongodb.go
index 9c8449d..35ea702 100644
--- a/db/mongodb/mongodb.go
+++ b/db/mongodb/mongodb.go
@@ -10,15 +10,21 @@ import (
 	"gopkg.in/yaml.v3"
 
 	"github.com/Mrs4s/go-cqhttp/db"
-	"github.com/Mrs4s/go-cqhttp/modules/config"
 )
 
-type MongoDBImpl struct {
+type database struct {
 	uri   string
 	db    string
 	mongo *mongo.Database
 }
 
+// config mongodb 相关配置
+type config struct {
+	Enable   bool   `yaml:"enable"`
+	URI      string `yaml:"uri"`
+	Database string `yaml:"database"`
+}
+
 const (
 	MongoGroupMessageCollection        = "group-messages"
 	MongoPrivateMessageCollection      = "private-messages"
@@ -26,8 +32,8 @@ const (
 )
 
 func init() {
-	db.Register("mongodb", func(node yaml.Node) db.Database {
-		conf := new(config.MongoDBConfig)
+	db.Register("database", func(node yaml.Node) db.Database {
+		conf := new(config)
 		_ = node.Decode(conf)
 		if conf.Database == "" {
 			conf.Database = "gocq-database"
@@ -35,11 +41,11 @@ func init() {
 		if !conf.Enable {
 			return nil
 		}
-		return &MongoDBImpl{uri: conf.URI, db: conf.Database}
+		return &database{uri: conf.URI, db: conf.Database}
 	})
 }
 
-func (m *MongoDBImpl) Open() error {
+func (m *database) Open() error {
 	cli, err := mongo.Connect(context.Background(), options.Client().ApplyURI(m.uri))
 	if err != nil {
 		return errors.Wrap(err, "open mongo connection error")
@@ -48,14 +54,14 @@ func (m *MongoDBImpl) Open() error {
 	return nil
 }
 
-func (m *MongoDBImpl) GetMessageByGlobalID(id int32) (db.StoredMessage, error) {
+func (m *database) GetMessageByGlobalID(id int32) (db.StoredMessage, error) {
 	if r, err := m.GetGroupMessageByGlobalID(id); err == nil {
 		return r, nil
 	}
 	return m.GetPrivateMessageByGlobalID(id)
 }
 
-func (m *MongoDBImpl) GetGroupMessageByGlobalID(id int32) (*db.StoredGroupMessage, error) {
+func (m *database) GetGroupMessageByGlobalID(id int32) (*db.StoredGroupMessage, error) {
 	coll := m.mongo.Collection(MongoGroupMessageCollection)
 	var ret db.StoredGroupMessage
 	if err := coll.FindOne(context.Background(), bson.D{{"globalId", id}}).Decode(&ret); err != nil {
@@ -64,7 +70,7 @@ func (m *MongoDBImpl) GetGroupMessageByGlobalID(id int32) (*db.StoredGroupMessag
 	return &ret, nil
 }
 
-func (m *MongoDBImpl) GetPrivateMessageByGlobalID(id int32) (*db.StoredPrivateMessage, error) {
+func (m *database) GetPrivateMessageByGlobalID(id int32) (*db.StoredPrivateMessage, error) {
 	coll := m.mongo.Collection(MongoPrivateMessageCollection)
 	var ret db.StoredPrivateMessage
 	if err := coll.FindOne(context.Background(), bson.D{{"globalId", id}}).Decode(&ret); err != nil {
@@ -73,7 +79,7 @@ func (m *MongoDBImpl) GetPrivateMessageByGlobalID(id int32) (*db.StoredPrivateMe
 	return &ret, nil
 }
 
-func (m *MongoDBImpl) GetGuildChannelMessageByID(id string) (*db.StoredGuildChannelMessage, error) {
+func (m *database) GetGuildChannelMessageByID(id string) (*db.StoredGuildChannelMessage, error) {
 	coll := m.mongo.Collection(MongoGuildChannelMessageCollection)
 	var ret db.StoredGuildChannelMessage
 	if err := coll.FindOne(context.Background(), bson.D{{"_id", id}}).Decode(&ret); err != nil {
@@ -82,19 +88,19 @@ func (m *MongoDBImpl) GetGuildChannelMessageByID(id string) (*db.StoredGuildChan
 	return &ret, nil
 }
 
-func (m *MongoDBImpl) InsertGroupMessage(msg *db.StoredGroupMessage) error {
+func (m *database) InsertGroupMessage(msg *db.StoredGroupMessage) error {
 	coll := m.mongo.Collection(MongoGroupMessageCollection)
 	_, err := coll.UpdateOne(context.Background(), bson.D{{"_id", msg.ID}}, bson.D{{"$set", msg}}, options.Update().SetUpsert(true))
 	return errors.Wrap(err, "insert error")
 }
 
-func (m *MongoDBImpl) InsertPrivateMessage(msg *db.StoredPrivateMessage) error {
+func (m *database) InsertPrivateMessage(msg *db.StoredPrivateMessage) error {
 	coll := m.mongo.Collection(MongoPrivateMessageCollection)
 	_, err := coll.UpdateOne(context.Background(), bson.D{{"_id", msg.ID}}, bson.D{{"$set", msg}}, options.Update().SetUpsert(true))
 	return errors.Wrap(err, "insert error")
 }
 
-func (m *MongoDBImpl) InsertGuildChannelMessage(msg *db.StoredGuildChannelMessage) error {
+func (m *database) InsertGuildChannelMessage(msg *db.StoredGuildChannelMessage) error {
 	coll := m.mongo.Collection(MongoGuildChannelMessageCollection)
 	_, err := coll.UpdateOne(context.Background(), bson.D{{"_id", msg.ID}}, bson.D{{"$set", msg}}, options.Update().SetUpsert(true))
 	return errors.Wrap(err, "insert error")
diff --git a/go.mod b/go.mod
index 8ba6cc2..28b155c 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.18
 
 require (
 	github.com/Microsoft/go-winio v0.5.1
-	github.com/Mrs4s/MiraiGo v0.0.0-20220302134146-348e317a3400
+	github.com/Mrs4s/MiraiGo v0.0.0-20220317085721-6d84141b8dd3
 	github.com/RomiChan/websocket v1.4.3-0.20220123145318-307a86b127bc
 	github.com/fumiama/go-hide-param v0.1.4
 	github.com/gabriel-vasile/mimetype v1.4.0
diff --git a/go.sum b/go.sum
index d60cf46..1a7f972 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 github.com/Microsoft/go-winio v0.5.1 h1:aPJp2QD7OOrhO5tQXqQoGSJc+DjDtWTGLOmNyAm6FgY=
 github.com/Microsoft/go-winio v0.5.1/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84=
-github.com/Mrs4s/MiraiGo v0.0.0-20220302134146-348e317a3400 h1:5e0KDN118/RKItDmUcJyCkyyK/EGItYYJ5TVX/jb6xM=
-github.com/Mrs4s/MiraiGo v0.0.0-20220302134146-348e317a3400/go.mod h1:qJWkRO5vry/sUHthX5kh6go2llYIVAJ+Mq8p+N/FW+8=
+github.com/Mrs4s/MiraiGo v0.0.0-20220317085721-6d84141b8dd3 h1:U3UumMt052Ii1gGrkKM1MbX1uxCzxKhlfuNQ42LtIRQ=
+github.com/Mrs4s/MiraiGo v0.0.0-20220317085721-6d84141b8dd3/go.mod h1:qJWkRO5vry/sUHthX5kh6go2llYIVAJ+Mq8p+N/FW+8=
 github.com/RomiChan/protobuf v0.0.0-20220227114948-643565fff248 h1:1jRB6xuBKwfgZrg0bA7XJin0VeNwG9iJKx9RXwDobt4=
 github.com/RomiChan/protobuf v0.0.0-20220227114948-643565fff248/go.mod h1:CKKOWC7mBxd36zxsCB1V8DTrwlTNRQvkSVbYqyUiGEE=
 github.com/RomiChan/websocket v1.4.3-0.20220123145318-307a86b127bc h1:AAx50/fb/xS4lvsdQg+bFbGvqSDhyV1MF+p2PLCamZ0=
diff --git a/modules/config/config.go b/modules/config/config.go
index 1386aa6..9c3c65e 100644
--- a/modules/config/config.go
+++ b/modules/config/config.go
@@ -8,7 +8,6 @@ import (
 	"os"
 	"regexp"
 	"strings"
-	"sync"
 
 	log "github.com/sirupsen/logrus"
 	"gopkg.in/yaml.v3"
@@ -75,13 +74,6 @@ type Server struct {
 	Default string
 }
 
-// MongoDBConfig mongodb 相关配置
-type MongoDBConfig struct {
-	Enable   bool   `yaml:"enable"`
-	URI      string `yaml:"uri"`
-	Database string `yaml:"database"`
-}
-
 // Parse 从默认配置文件路径中获取
 func Parse(path string) *Config {
 	file, err := os.ReadFile(path)
@@ -98,16 +90,11 @@ func Parse(path string) *Config {
 	return config
 }
 
-var (
-	serverconfs []*Server
-	mu          sync.Mutex
-)
+var serverconfs []*Server
 
 // AddServer 添加该服务的简介和默认配置
 func AddServer(s *Server) {
-	mu.Lock()
 	serverconfs = append(serverconfs, s)
-	mu.Unlock()
 }
 
 // generateConfig 生成配置文件
diff --git a/server/scf.go b/server/scf.go
index 29546ae..f41b359 100644
--- a/server/scf.go
+++ b/server/scf.go
@@ -190,9 +190,9 @@ func (c *lambdaClient) next() *http.Request {
 	if resp.StatusCode != http.StatusOK {
 		return nil
 	}
-	req := new(http.Request)
-	invoke := new(lambdaInvoke)
-	_ = json.NewDecoder(resp.Body).Decode(invoke)
+	var req http.Request
+	var invoke lambdaInvoke
+	_ = json.NewDecoder(resp.Body).Decode(&invoke)
 	if invoke.HTTPMethod == "" { // 不是 api 网关
 		return nil
 	}
@@ -211,5 +211,5 @@ func (c *lambdaClient) next() *http.Request {
 		query[k] = []string{v}
 	}
 	req.URL.RawQuery = query.Encode()
-	return req
+	return &req
 }