diff --git a/.golangci.yml b/.golangci.yml
index 886b55fb..dfae3d83 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -81,6 +81,10 @@ linters:
     - linters:
       - unparam
       text: is always false
+    - linters:
+      - staticcheck
+      path: ^pkg/util/net/kcp\.go$
+      text: "SA1019: .*SetStreamMode"
     paths:
     - .*\.pb\.go
     - .*\.gen\.go
diff --git a/go.mod b/go.mod
index 8dc2448b..5c198f9d 100644
--- a/go.mod
+++ b/go.mod
@@ -26,7 +26,7 @@ require (
 	github.com/stretchr/testify v1.12.1
 	github.com/tidwall/gjson v1.20.0
 	github.com/vishvananda/netlink v1.3.1
-	github.com/xtaci/kcp-go/v5 v5.6.13
+	github.com/xtaci/kcp-go/v5 v5.6.73
 	golang.org/x/crypto v0.58.0
 	golang.org/x/net v0.62.0
 	golang.org/x/oauth2 v0.37.0
@@ -57,8 +57,6 @@ require (
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/procfs v0.22.0 // indirect
-	github.com/templexxx/cpu v0.1.1 // indirect
-	github.com/templexxx/xorsimd v0.4.3 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/tjfoc/gmsm v1.4.1 // indirect
diff --git a/go.sum b/go.sum
index fefc5e1c..93cccb78 100644
--- a/go.sum
+++ b/go.sum
@@ -142,10 +142,6 @@ github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXl
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/stretchr/testify v1.12.1 h1:EuwCh5fleGS7H32xRwO3wRGT7DxrDhLAT6FF8MpWDWE=
 github.com/stretchr/testify v1.12.1/go.mod h1:MDEgiDPPsNp5cuIrHPPCyornHKgEVbtFUmoNlxoYthg=
-github.com/templexxx/cpu v0.1.1 h1:isxHaxBXpYFWnk2DReuKkigaZyrjs2+9ypIdGP4h+HI=
-github.com/templexxx/cpu v0.1.1/go.mod h1:w7Tb+7qgcAlIyX4NhLuDKt78AHA5SzPmq0Wj6HiEnnk=
-github.com/templexxx/xorsimd v0.4.3 h1:9AQTFHd7Bhk3dIT7Al2XeBX5DWOvsUPZCuhyAtNbHjU=
-github.com/templexxx/xorsimd v0.4.3/go.mod h1:oZQcD6RFDisW2Am58dSAGwwL6rHjbzrlu25VDqfWkQg=
 github.com/tidwall/gjson v1.20.0 h1:+agJ3rEzKcCXKDKo0ml26UROcpcAlnZyjq+TjbY5Fto=
 github.com/tidwall/gjson v1.20.0/go.mod h1:V37/opeE/JbLUOfH0QTXiNez2l0RUjYUhpT4szFQAfc=
 github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
@@ -160,8 +156,8 @@ github.com/vishvananda/netlink v1.3.1 h1:3AEMt62VKqz90r0tmNhog0r/PpWKmrEShJU0wJW
 github.com/vishvananda/netlink v1.3.1/go.mod h1:ARtKouGSTGchR8aMwmkzC0qiNPrrWO5JS/XMVl45+b4=
 github.com/vishvananda/netns v0.0.5 h1:DfiHV+j8bA32MFM7bfEunvT8IAqQ/NzSJHtcmW5zdEY=
 github.com/vishvananda/netns v0.0.5/go.mod h1:SpkAiCQRtJ6TvvxPnOSyH3BMl6unz3xZlaprSwhNNJM=
-github.com/xtaci/kcp-go/v5 v5.6.13 h1:FEjtz9+D4p8t2x4WjciGt/jsIuhlWjjgPCCWjrVR4Hk=
-github.com/xtaci/kcp-go/v5 v5.6.13/go.mod h1:75S1AKYYzNUSXIv30h+jPKJYZUwqpfvLshu63nCNSOM=
+github.com/xtaci/kcp-go/v5 v5.6.73 h1:Ejk1O0GyjaEQOxTeZUn0jIss0jkk2BJU8VOeJKdOh+Y=
+github.com/xtaci/kcp-go/v5 v5.6.73/go.mod h1:FRqA8EUPgnBlP4UcXlcCWZ9if7XaqmZMfXOTynYEmc4=
 github.com/xtaci/lossyconn v0.0.0-20200209145036-adba10fffc37 h1:EWU6Pktpas0n8lLQwDsRyZfmkPeRbdgPtW609es+/9E=
 github.com/xtaci/lossyconn v0.0.0-20200209145036-adba10fffc37/go.mod h1:HpMP7DB2CyokmAh4lp0EQnnWhmycP/TvwBGzvuie+H0=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=