diff --git a/client/http_api.go b/client/http_api.go
index 3d37f998..35ae0b63 100644
--- a/client/http_api.go
+++ b/client/http_api.go
@@ -11,7 +11,6 @@ import (
 	"net/textproto"
 	"net/url"
 	"strconv"
-	"strings"
 
 	"github.com/pkg/errors"
 
@@ -21,51 +20,6 @@ import (
 	"github.com/Mrs4s/MiraiGo/utils"
 )
 
-/* -------- VipInfo -------- */
-
-type VipInfo struct {
-	Uin            int64
-	Name           string
-	Level          int
-	LevelSpeed     float64
-	VipLevel       string
-	VipGrowthSpeed int
-	VipGrowthTotal int
-}
-
-func (c *QQClient) GetVipInfo(target int64) (*VipInfo, error) {
-	b, err := utils.HttpGetBytes(fmt.Sprintf("https://h5.vip.qq.com/p/mc/cardv2/other?platform=1&qq=%d&adtag=geren&aid=mvip.pingtai.mobileqq.androidziliaoka.fromqita", target), c.getCookiesWithDomain("h5.vip.qq.com"))
-	if err != nil {
-		return nil, err
-	}
-	ret := VipInfo{Uin: target}
-	b = b[bytes.Index(b, []byte(`<span class="ui-nowrap">`))+24:]
-	t := b[:bytes.Index(b, []byte(`</span>`))]
-	ret.Name = string(t)
-	b = b[bytes.Index(b, []byte(`<small>LV</small>`))+17:]
-	t = b[:bytes.Index(b, []byte(`</p>`))]
-	ret.Level, _ = strconv.Atoi(string(t))
-	b = b[bytes.Index(b, []byte(`<div class="pk-line pk-line-guest">`))+35:]
-	b = b[bytes.Index(b, []byte(`<p>`))+3:]
-	t = b[:bytes.Index(b, []byte(`<small>倍`))]
-	ret.LevelSpeed, _ = strconv.ParseFloat(string(t), 64)
-	b = b[bytes.Index(b, []byte(`<div class="pk-line pk-line-guest">`))+35:]
-	b = b[bytes.Index(b, []byte(`<p>`))+3:]
-	st := string(b[:bytes.Index(b, []byte(`</p>`))])
-	st = strings.Replace(st, "<small>", "", 1)
-	st = strings.Replace(st, "</small>", "", 1)
-	ret.VipLevel = st
-	b = b[bytes.Index(b, []byte(`<div class="pk-line pk-line-guest">`))+35:]
-	b = b[bytes.Index(b, []byte(`<p>`))+3:]
-	t = b[:bytes.Index(b, []byte(`</p>`))]
-	ret.VipGrowthSpeed, _ = strconv.Atoi(string(t))
-	b = b[bytes.Index(b, []byte(`<div class="pk-line pk-line-guest">`))+35:]
-	b = b[bytes.Index(b, []byte(`<p>`))+3:]
-	t = b[:bytes.Index(b, []byte(`</p>`))]
-	ret.VipGrowthTotal, _ = strconv.Atoi(string(t))
-	return &ret, nil
-}
-
 /* -------- GroupHonorInfo -------- */
 
 type (
diff --git a/client/internal/highway/bdh.go b/client/internal/highway/bdh.go
index 3b1e8fc6..97d571f3 100644
--- a/client/internal/highway/bdh.go
+++ b/client/internal/highway/bdh.go
@@ -57,11 +57,14 @@ func (s *Session) UploadBDH(input BdhInput) ([]byte, error) {
 	}
 
 	const chunkSize = 256 * 1024
-	var rspExt []byte
+	var rspExt, chunk []byte
 	offset := 0
-	chunk := make([]byte, chunkSize)
+	if input.Size > chunkSize {
+		chunk = make([]byte, chunkSize)
+	} else {
+		chunk = make([]byte, input.Size)
+	}
 	for {
-		chunk = chunk[:chunkSize]
 		rl, err := io.ReadFull(input.Body, chunk)
 		if errors.Is(err, io.EOF) {
 			break
@@ -121,7 +124,7 @@ func (s *Session) UploadBDHMultiThread(input BdhInput, threadCount int) ([]byte,
 		return nil, err
 	}
 
-	const blockSize int64 = 1024 * 512
+	const blockSize int64 = 256 * 1024
 	var (
 		rspExt          []byte
 		completedThread uint32