diff --git a/go.mod b/go.mod
index aa5694ca5..a944589ae 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/xtls/xray-core
 go 1.27
 
 require (
-	github.com/apernet/quic-go v0.61.1-0.20260806010916-184d081eef3e
+	github.com/apernet/quic-go v0.63.1-0.20261004180939-a10df75c260c
 	github.com/bufbuild/protocompile v0.14.1
 	github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344
 	github.com/golang/mock v1.7.0-rc.1
diff --git a/go.sum b/go.sum
index a69efbe5b..dbc096b39 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/apernet/quic-go v0.61.1-0.20260806010916-184d081eef3e h1:5mgtR5gwIgBKMiGI1QdXldZZ+SNor06Nbu1wCBulQBg=
-github.com/apernet/quic-go v0.61.1-0.20260806010916-184d081eef3e/go.mod h1:x7qxEvX6MCVtDuBKHj3E+88+BtrbEMuAL5qGUKItjW8=
+github.com/apernet/quic-go v0.63.1-0.20261004180939-a10df75c260c h1:cxK8qTA0YCsj68A7zLYDCfPgMTOyt3ePkHh+oXEmYU0=
+github.com/apernet/quic-go v0.63.1-0.20261004180939-a10df75c260c/go.mod h1:J7UZVOMF2M1LiE3iiUZWPuy8YCPAcLJOwVURrfJCvc0=
 github.com/bufbuild/protocompile v0.14.1 h1:iA73zAf/fyljNjQKwYzUHD6AD4R8KMasmwa/FBatYVw=
 github.com/bufbuild/protocompile v0.14.1/go.mod h1:ppVdAIhbr2H8asPk6k4pY7t9zB1OU5DoEw9xY/FUi1c=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
diff --git a/infra/conf/transport_method.go b/infra/conf/transport_method.go
index 826d074fd..78f463a2c 100644
--- a/infra/conf/transport_method.go
+++ b/infra/conf/transport_method.go
@@ -697,10 +697,10 @@ func (c *HttpUpgradeConfig) Build() (proto.Message, error) {
 
 const (
 	Byte     = 1
-	Kilobyte = 1024 * Byte
-	Megabyte = 1024 * Kilobyte
-	Gigabyte = 1024 * Megabyte
-	Terabyte = 1024 * Gigabyte
+	Kilobyte = 1000 * Byte
+	Megabyte = 1000 * Kilobyte
+	Gigabyte = 1000 * Megabyte
+	Terabyte = 1000 * Gigabyte
 )
 
 type Bandwidth string
diff --git a/transport/internet/hysteria/dialer.go b/transport/internet/hysteria/dialer.go
index a6eed34c6..dc424932a 100644
--- a/transport/internet/hysteria/dialer.go
+++ b/transport/internet/hysteria/dialer.go
@@ -197,7 +197,8 @@ func (c *client) dial(ctx context.Context) error {
 	}
 
 	// udp, _ := strconv.ParseBool(resp.Header.Get(ResponseHeaderUDPEnabled))
-	down, _ := strconv.ParseUint(resp.Header.Get(CommonHeaderCCRX), 10, 64)
+	remote_rx, _ := strconv.ParseUint(resp.Header.Get(CommonHeaderCCRX), 10, 64)
+	tx := quicParams.BrutalUp
 	errors.LogDebug(context.Background(), "ECHAccepted ", conn.ConnectionState().TLS.ECHAccepted)
 
 	switch quicParams.Congestion {
@@ -205,10 +206,13 @@ func (c *client) dial(ctx context.Context) error {
 	case "bbr":
 		congestion.UseBBR(conn, bbr.Profile(quicParams.BbrProfile))
 	case "", "brutal":
-		if quicParams.BrutalUp == 0 || down == 0 {
+		if tx == 0 {
 			congestion.UseBBR(conn, bbr.Profile(quicParams.BbrProfile))
 		} else {
-			congestion.UseBrutal(conn, min(quicParams.BrutalUp, down), quicParams.BrutalDisableLossCompensation)
+			if remote_rx > 0 {
+				tx = min(tx, remote_rx)
+			}
+			congestion.UseBrutal(conn, tx, quicParams.BrutalDisableLossCompensation)
 		}
 	case "force-brutal":
 		congestion.UseBrutal(conn, quicParams.BrutalUp, quicParams.BrutalDisableLossCompensation)
diff --git a/transport/internet/hysteria/hub.go b/transport/internet/hysteria/hub.go
index 441db8744..c2e45c1f9 100644
--- a/transport/internet/hysteria/hub.go
+++ b/transport/internet/hysteria/hub.go
@@ -55,7 +55,8 @@ func (h *httpHandler) AuthHTTP(w http.ResponseWriter, r *http.Request) bool {
 		}
 
 		auth := r.Header.Get(RequestHeaderAuth)
-		down, _ := strconv.ParseUint(r.Header.Get(CommonHeaderCCRX), 10, 64)
+		remote_rx, _ := strconv.ParseUint(r.Header.Get(CommonHeaderCCRX), 10, 64)
+		tx := h.quicParams.BrutalUp
 
 		var user *protocol.MemoryUser
 		var ok bool
@@ -76,10 +77,13 @@ func (h *httpHandler) AuthHTTP(w http.ResponseWriter, r *http.Request) bool {
 			case "bbr":
 				congestion.UseBBR(conn, bbr.Profile(quicParams.BbrProfile))
 			case "", "brutal":
-				if quicParams.BrutalUp == 0 || down == 0 {
+				if remote_rx == 0 {
 					congestion.UseBBR(conn, bbr.Profile(quicParams.BbrProfile))
 				} else {
-					congestion.UseBrutal(conn, min(quicParams.BrutalUp, down), quicParams.BrutalDisableLossCompensation)
+					if tx > 0 {
+						remote_rx = min(remote_rx, tx)
+					}
+					congestion.UseBrutal(conn, remote_rx, quicParams.BrutalDisableLossCompensation)
 				}
 			case "force-brutal":
 				congestion.UseBrutal(conn, quicParams.BrutalUp, quicParams.BrutalDisableLossCompensation)