diff --git a/coolq/cqcode.go b/coolq/cqcode.go
index 03589fe..ed607aa 100644
--- a/coolq/cqcode.go
+++ b/coolq/cqcode.go
@@ -3,7 +3,6 @@ package coolq
 import (
 	"bytes"
 	"crypto/md5"
-	"encoding/base64"
 	"encoding/hex"
 	xml2 "encoding/xml"
 	"errors"
@@ -18,11 +17,11 @@ import (
 	"strings"
 	"time"
 
-	"github.com/gabriel-vasile/mimetype"
-
 	"github.com/Mrs4s/MiraiGo/binary"
 	"github.com/Mrs4s/MiraiGo/message"
 	"github.com/Mrs4s/MiraiGo/utils"
+	"github.com/gabriel-vasile/mimetype"
+	"github.com/segmentio/asm/base64"
 	log "github.com/sirupsen/logrus"
 	"github.com/tidwall/gjson"
 
diff --git a/global/fs.go b/global/fs.go
index 60115a2..4e054b8 100644
--- a/global/fs.go
+++ b/global/fs.go
@@ -3,7 +3,6 @@ package global
 import (
 	"bytes"
 	"crypto/md5"
-	"encoding/base64"
 	"encoding/hex"
 	"errors"
 	"net"
@@ -15,6 +14,7 @@ import (
 	"strings"
 
 	"github.com/Mrs4s/MiraiGo/utils"
+	"github.com/segmentio/asm/base64"
 	log "github.com/sirupsen/logrus"
 )
 
diff --git a/go.mod b/go.mod
index 17febc9..fbbe647 100644
--- a/go.mod
+++ b/go.mod
@@ -15,6 +15,7 @@ require (
 	github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0
 	github.com/lestrrat-go/file-rotatelogs v2.4.0+incompatible
 	github.com/pkg/errors v0.9.1
+	github.com/segmentio/asm v1.0.0
 	github.com/sirupsen/logrus v1.8.1
 	github.com/stretchr/testify v1.7.0
 	github.com/syndtr/goleveldb v1.0.0
@@ -32,6 +33,7 @@ require (
 	github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db // indirect
 	github.com/google/uuid v1.1.1 // indirect
 	github.com/jonboulle/clockwork v0.2.2 // indirect
+	github.com/klauspost/cpuid/v2 v2.0.6 // indirect
 	github.com/lestrrat-go/strftime v1.0.5 // indirect
 	github.com/maruel/rs v0.0.0-20150922171536-2c81c4312fe4 // indirect
 	github.com/mattn/go-colorable v0.1.8 // indirect
diff --git a/go.sum b/go.sum
index a5087ee..025861d 100644
--- a/go.sum
+++ b/go.sum
@@ -69,6 +69,8 @@ github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGn
 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0 h1:iQTw/8FWTuc7uiaSepXwyf3o52HaUYcV+Tu66S3F5GA=
 github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0/go.mod h1:1NbS8ALrpOvjt0rHPNLyCIeMtbizbir8U//inJ+zuB8=
+github.com/klauspost/cpuid/v2 v2.0.6 h1:dQ5ueTiftKxp0gyjKSx5+8BtPWkyQbd95m8Gys/RarI=
+github.com/klauspost/cpuid/v2 v2.0.6/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
 github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
 github.com/lestrrat-go/envload v0.0.0-20180220234015-a3eb8ddeffcc h1:RKf14vYWi2ttpEmkA4aQ3j4u9dStX2t4M8UM6qqNsG8=
@@ -100,6 +102,8 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 h1:OdAsTTz6OkFY5QxjkYwrChwuRruF69c169dPK26NUlk=
 github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/segmentio/asm v1.0.0 h1:GMF7/2eLkte13LERSOmPI766AJXJDRlsqqiN8T7Mfmk=
+github.com/segmentio/asm v1.0.0/go.mod h1:4EUJGaKsB8ImLUwOGORVsNd9vTRDeh44JGsY4aKp5I4=
 github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
 github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=