diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ba52da95..48069a86 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,7 +19,7 @@ jobs:
   testing:
     strategy:
       matrix:
-        go-version: [1.16.x,1.17.x,1.18.x,1.19.x,1.20.x,1.21.x]
+        go-version: [1.20.x,1.21.x]
         platform: [ubuntu-latest]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -45,10 +45,10 @@ jobs:
     name: codecov
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.16
+      - name: Set up Go 1.20
         uses: actions/setup-go@v3
         with:
-          go-version: 1.16.x
+          go-version: 1.20.x
         id: go
 
       - name: Checkout code
diff --git a/filter/accessLog.go b/filter/accessLog.go
index 2b9cc0c6..9a6a07ef 100644
--- a/filter/accessLog.go
+++ b/filter/accessLog.go
@@ -3,7 +3,7 @@ package filter
 import (
 	"encoding/json"
 	motan "github.com/weibocom/motan-go/core"
-	"github.com/weibocom/motan-go/log"
+	vlog "github.com/weibocom/motan-go/log"
 	"strconv"
 	"time"
 )
@@ -56,6 +56,10 @@ func (t *AccessLogFilter) Filter(caller motan.Caller, request motan.Request) mot
 		resCtx.AddFinishHandler(motan.FinishHandleFunc(func() {
 			totalTime := reqCtx.ResponseSendTime.Sub(reqCtx.RequestReceiveTime).Nanoseconds() / 1e6
 			doAccessLog(t.GetName(), role, address, totalTime, request, response)
+			finalResCtx := response.GetRPCContext(true)
+			if finalResCtx.BodySize == 5 {
+				vlog.Warningf("bad response. content:%v, resAttachment:%v, reqArgs:%v, req: %+v, res:%+v", response.GetValue(), response.GetAttachments(), request.GetArguments(), request, response)
+			}
 		}))
 	} else {
 		doAccessLog(t.GetName(), role, address, time.Now().Sub(start).Nanoseconds()/1e6, request, response)
diff --git a/go.mod b/go.mod
index c2ab501c..ff73610d 100644
--- a/go.mod
+++ b/go.mod
@@ -1,42 +1,52 @@
 module github.com/weibocom/motan-go
 
-go 1.16
+go 1.20
 
 require (
 	github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5
 	github.com/beberlei/fastcgi-serve v0.0.0-20151230120321-4676005f65b7
 	github.com/buraksezer/consistent v0.10.0
 	github.com/cespare/xxhash/v2 v2.2.0
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/golang/protobuf v1.3.2
 	github.com/juju/ratelimit v1.0.1
-	github.com/klauspost/compress v1.4.1 // indirect
-	github.com/klauspost/cpuid v1.2.0 // indirect
-	github.com/kr/pretty v0.3.1 // indirect
 	github.com/mitchellh/mapstructure v1.1.2
 	github.com/opentracing/opentracing-go v1.0.2
 	github.com/panjf2000/ants/v2 v2.9.0
 	github.com/patrickmn/go-cache v2.1.0+incompatible
-	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a
 	github.com/samuel/go-zookeeper v0.0.0-20180130194729-c4fab1ac1bec
 	github.com/shirou/gopsutil/v3 v3.21.9
-	github.com/smartystreets/goconvey v1.6.4 // indirect
 	github.com/stretchr/testify v1.8.4
-	github.com/valyala/fasthttp v1.2.0
+	github.com/valyala/fasthttp v1.55.0
 	github.com/weibreeze/breeze-go v0.1.1
 	go.uber.org/atomic v1.4.0
-	go.uber.org/multierr v1.1.0 // indirect
 	go.uber.org/zap v1.10.0
-	golang.org/x/net v0.0.0-20201224014010-6772e930b67b
-	golang.org/x/text v0.3.3 // indirect
+	golang.org/x/net v0.26.0
 	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4
-	google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a // indirect
 	google.golang.org/grpc v1.21.1
-	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 	gopkg.in/yaml.v2 v2.2.4
 )
 
+require (
+	github.com/StackExchange/wmi v1.2.1 // indirect
+	github.com/andybalholm/brotli v1.1.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/go-ole/go-ole v1.2.5 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
+	github.com/kr/pretty v0.3.1 // indirect
+	github.com/pkg/errors v0.8.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/smartystreets/goconvey v1.6.4 // indirect
+	github.com/tklauser/go-sysconf v0.3.9 // indirect
+	github.com/tklauser/numcpus v0.3.0 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	go.uber.org/multierr v1.1.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
+	google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a // indirect
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
+)
+
 replace (
 	cloud.google.com/go => github.com/GoogleCloudPlatform/google-cloud-go v0.30.0
 	github.com/stretchr/testify => github.com/stretchr/testify v1.2.2
diff --git a/provider/httpProvider.go b/provider/httpProvider.go
index 106616ba..52584019 100644
--- a/provider/httpProvider.go
+++ b/provider/httpProvider.go
@@ -338,6 +338,7 @@ func (h *HTTPProvider) DoProxy(request motan.Request, t int64, ip string) motan.
 	httpReq.URI().SetScheme(h.proxySchema)
 	httpReq.URI().SetPath(rewritePath)
 	if len(httpReq.Header.Host()) == 0 {
+		httpReq.UseHostHeader = true
 		httpReq.Header.SetHost(h.domain)
 	}
 	if httpReq.Header.Peek(motan.XForwardedFor) == nil {