diff --git a/core/server/go.mod b/core/server/go.mod
index 4f15906..095766f 100644
--- a/core/server/go.mod
+++ b/core/server/go.mod
@@ -9,15 +9,15 @@ require (
 	github.com/gofrs/uuid/v5 v5.3.2
 	github.com/golang/protobuf v1.5.4
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
-	github.com/sagernet/sing v0.7.6-0.20250815070458-d33ece7a184f
-	github.com/sagernet/sing-box v1.12.3
+	github.com/sagernet/sing v0.7.6-0.20250825114712-2aeec120ce28
+	github.com/sagernet/sing-box v1.12.4
 	github.com/sagernet/sing-tun v0.7.0-beta.1
 	github.com/spf13/cobra v1.9.1
 	golang.org/x/sys v0.35.0
 	google.golang.org/protobuf v1.36.6
 )
 
-replace github.com/sagernet/sing-box => github.com/throneproj/sing-box v1.11.16-0.20250827202214-7c468bdbe9a8
+replace github.com/sagernet/sing-box => github.com/throneproj/sing-box v1.11.16-0.20250829161934-408d9b12100a
 
 replace github.com/sagernet/wireguard-go => github.com/throneproj/wireguard-go v0.0.1-beta.7.0.20250728063157-408bba78ad26
 
@@ -95,7 +95,7 @@ require (
 	github.com/sagernet/sing-shadowtls v0.2.1-0.20250503051639-fcd445d33c11 // indirect
 	github.com/sagernet/sing-vmess v0.2.7 // indirect
 	github.com/sagernet/smux v1.5.34-mod.2 // indirect
-	github.com/sagernet/tailscale v1.80.3-mod.5 // indirect
+	github.com/sagernet/tailscale v1.80.3-sing-box-1.12-mod.1 // indirect
 	github.com/sagernet/wireguard-go v0.0.1-beta.7 // indirect
 	github.com/sagernet/ws v0.0.0-20231204124109-acfe8907c854 // indirect
 	github.com/spf13/pflag v1.0.6 // indirect
diff --git a/core/server/go.sum b/core/server/go.sum
index 29fe1cd..f185123 100644
--- a/core/server/go.sum
+++ b/core/server/go.sum
@@ -159,8 +159,8 @@ github.com/sagernet/nftables v0.3.0-beta.4/go.mod h1:OQXAjvjNGGFxaTgVCSTRIhYB5/l
 github.com/sagernet/quic-go v0.52.0-beta.1 h1:hWkojLg64zjV+MJOvJU/kOeWndm3tiEfBLx5foisszs=
 github.com/sagernet/quic-go v0.52.0-beta.1/go.mod h1:OV+V5kEBb8kJS7k29MzDu6oj9GyMc7HA07sE1tedxz4=
 github.com/sagernet/sing v0.6.9/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
-github.com/sagernet/sing v0.7.6-0.20250815070458-d33ece7a184f h1:HIBo8l+tsS3wLwuI1E56uRTQw46QytXSUpZTP3vwG/U=
-github.com/sagernet/sing v0.7.6-0.20250815070458-d33ece7a184f/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
+github.com/sagernet/sing v0.7.6-0.20250825114712-2aeec120ce28 h1:C8Lnqd0Q+C15kwaMiDsfq5S45rhhaQMBG91TT+6oFVo=
+github.com/sagernet/sing v0.7.6-0.20250825114712-2aeec120ce28/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
 github.com/sagernet/sing-mux v0.3.3 h1:YFgt9plMWzH994BMZLmyKL37PdIVaIilwP0Jg+EcLfw=
 github.com/sagernet/sing-mux v0.3.3/go.mod h1:pht8iFY4c9Xltj7rhVd208npkNaeCxzyXCgulDPLUDA=
 github.com/sagernet/sing-quic v0.5.0 h1:jNLIyVk24lFPvu8A4x+ZNEnZdI+Tg1rp7eCJ6v0Csak=
@@ -177,8 +177,8 @@ github.com/sagernet/sing-vmess v0.2.7 h1:2ee+9kO0xW5P4mfe6TYVWf9VtY8k1JhNysBqsiY
 github.com/sagernet/sing-vmess v0.2.7/go.mod h1:5aYoOtYksAyS0NXDm0qKeTYW1yoE1bJVcv+XLcVoyJs=
 github.com/sagernet/smux v1.5.34-mod.2 h1:gkmBjIjlJ2zQKpLigOkFur5kBKdV6bNRoFu2WkltRQ4=
 github.com/sagernet/smux v1.5.34-mod.2/go.mod h1:0KW0+R+ycvA2INW4gbsd7BNyg+HEfLIAxa5N02/28Zc=
-github.com/sagernet/tailscale v1.80.3-mod.5 h1:7V7z+p2C//TGtff20pPnDCt3qP6uFyY62peJoKF9z/A=
-github.com/sagernet/tailscale v1.80.3-mod.5/go.mod h1:EBxXsWu4OH2ELbQLq32WoBeIubG8KgDrg4/Oaxjs6lI=
+github.com/sagernet/tailscale v1.80.3-sing-box-1.12-mod.1 h1:gMC0q+0VvZBotZMZ9G0R8ZMEIT/Q6KnXbw0/OgMjmdk=
+github.com/sagernet/tailscale v1.80.3-sing-box-1.12-mod.1/go.mod h1:EBxXsWu4OH2ELbQLq32WoBeIubG8KgDrg4/Oaxjs6lI=
 github.com/sagernet/ws v0.0.0-20231204124109-acfe8907c854 h1:6uUiZcDRnZSAegryaUGwPC/Fj13JSHwiTftrXhMmYOc=
 github.com/sagernet/ws v0.0.0-20231204124109-acfe8907c854/go.mod h1:LtfoSK3+NG57tvnVEHgcuBW9ujgE8enPSgzgwStwCAA=
 github.com/spf13/cobra v1.9.1 h1:CXSaggrXdbHK9CF+8ywj8Amf7PBRmPCOJugH954Nnlo=
@@ -216,8 +216,8 @@ github.com/tc-hib/winres v0.2.1 h1:YDE0FiP0VmtRaDn7+aaChp1KiF4owBiJa5l964l5ujA=
 github.com/tc-hib/winres v0.2.1/go.mod h1:C/JaNhH3KBvhNKVbvdlDWkbMDO9H4fKKDaN7/07SSuk=
 github.com/tevino/abool/v2 v2.1.0 h1:7w+Vf9f/5gmKT4m4qkayb33/92M+Um45F2BkHOR+L/c=
 github.com/tevino/abool/v2 v2.1.0/go.mod h1:+Lmlqk6bHDWHqN1cbxqhwEAwMPXgc8I1SDEamtseuXY=
-github.com/throneproj/sing-box v1.11.16-0.20250827202214-7c468bdbe9a8 h1:beCXhUlVWpL14IkoDJAaygB5/OJNeuPklpZqsfdgEoI=
-github.com/throneproj/sing-box v1.11.16-0.20250827202214-7c468bdbe9a8/go.mod h1:a1rOHfWojQpRJ5QjtOCxjOFUbZXngSy7w+IapRmDib0=
+github.com/throneproj/sing-box v1.11.16-0.20250829161934-408d9b12100a h1:tviPYQYR/m5YdSISZD772lT6CIXUkf+/BsMRSmjkWUo=
+github.com/throneproj/sing-box v1.11.16-0.20250829161934-408d9b12100a/go.mod h1:5UweoTHafljntYLcp7Xjos4U9jI1IfvTLncTCFID9bQ=
 github.com/throneproj/wireguard-go v0.0.1-beta.7.0.20250728063157-408bba78ad26 h1:bBzqh7xTshvPjTFz4URNj/xbPA/d0BOwUM2R83FEMGU=
 github.com/throneproj/wireguard-go v0.0.1-beta.7.0.20250728063157-408bba78ad26/go.mod h1:akc2Wh+rX9bFFNnHJGsQ8VIV3eJI1LXJYgx2Y+8lcW8=
 github.com/u-root/uio v0.0.0-20240224005618-d2acac8f3701 h1:pyC9PaHYZFgEKFdlp3G8RaCKgVpHZnecvArXvPXcFkM=
diff --git a/script/build_go.sh b/script/build_go.sh
index ef33027..f5719ea 100755
--- a/script/build_go.sh
+++ b/script/build_go.sh
@@ -10,9 +10,12 @@ source script/env_deploy.sh
 [ "$GOOS" == "darwin" ] && [ "$GOARCH" == "amd64" ] && DEST=$DEPLOYMENT/macos-amd64 || true
 [ "$GOOS" == "darwin" ] && [ "$GOARCH" == "arm64" ] && DEST=$DEPLOYMENT/macos-arm64 || true
 
+TAGS="with_clash_api,with_gvisor,with_quic,with_wireguard,with_utls,with_dhcp,with_tailscale"
+
 if [[ "$GOOS" == "windowslegacy" ]]; then
   GOOS="windows"
   GOCMD="$PWD/go/bin/go"
+  TAGS="$TAGS,with_legacy"
   if [[ $GOARCH == 'amd64' ]]; then
     DEST=$DEPLOYMENT/windowslegacy64
   else
@@ -42,5 +45,5 @@ pushd gen
 protoc -I . --go_out=. --protorpc_out=. libcore.proto
 popd
 VERSION_SINGBOX=$(go list -m -f '{{.Version}}' github.com/sagernet/sing-box)
-$GOCMD build -v -o $DEST -trimpath -ldflags "-w -s -X 'github.com/sagernet/sing-box/constant.Version=${VERSION_SINGBOX}'" -tags "with_clash_api,with_gvisor,with_quic,with_wireguard,with_utls,with_dhcp,with_tailscale"
+$GOCMD build -v -o $DEST -trimpath -ldflags "-w -s -X 'github.com/sagernet/sing-box/constant.Version=${VERSION_SINGBOX}'" -tags "$TAGS"
 popd