diff --git a/backtrace/asn.go b/bk/asn.go
similarity index 100%
rename from backtrace/asn.go
rename to bk/asn.go
diff --git a/backtrace/backtrace.go b/bk/backtrace.go
similarity index 100%
rename from backtrace/backtrace.go
rename to bk/backtrace.go
diff --git a/backtrace/backtrace_test.go b/bk/backtrace_test.go
similarity index 100%
rename from backtrace/backtrace_test.go
rename to bk/backtrace_test.go
diff --git a/backtrace/listen_darwin.go b/bk/listen_darwin.go
similarity index 100%
rename from backtrace/listen_darwin.go
rename to bk/listen_darwin.go
diff --git a/backtrace/listen_freebsd.go b/bk/listen_freebsd.go
similarity index 100%
rename from backtrace/listen_freebsd.go
rename to bk/listen_freebsd.go
diff --git a/backtrace/listen_linux.go b/bk/listen_linux.go
similarity index 100%
rename from backtrace/listen_linux.go
rename to bk/listen_linux.go
diff --git a/backtrace/listen_openbsd.go b/bk/listen_openbsd.go
similarity index 100%
rename from backtrace/listen_openbsd.go
rename to bk/listen_openbsd.go
diff --git a/backtrace/listen_windows.go b/bk/listen_windows.go
similarity index 100%
rename from backtrace/listen_windows.go
rename to bk/listen_windows.go
diff --git a/backtrace/trace.go b/bk/trace.go
similarity index 100%
rename from backtrace/trace.go
rename to bk/trace.go
diff --git a/backtrace/version.go b/bk/version.go
similarity index 100%
rename from backtrace/version.go
rename to bk/version.go
diff --git a/cmd/main.go b/cmd/main.go
index f2332ae..5d728c8 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -6,7 +6,7 @@ import (
 	"fmt"
 	"net/http"
 
-	"github.com/oneclickvirt/backtrace/backtrace"
+	backtrace "github.com/oneclickvirt/backtrace/bk"
 	. "github.com/oneclickvirt/defaultset"
 )
 
diff --git a/go.mod b/go.mod
index 36a9136..ade3fd5 100644
--- a/go.mod
+++ b/go.mod
@@ -2,15 +2,11 @@ module github.com/oneclickvirt/backtrace
 
 go 1.22.4
 
-require (
-	go.uber.org/zap v1.27.0
-	golang.org/x/net v0.24.0
-	golang.org/x/sys v0.19.0
-)
+require golang.org/x/net v0.26.0
 
 require (
-	github.com/oneclickvirt/basics v0.0.0-20240524033341-86198d11d5f0 // indirect
 	github.com/oneclickvirt/defaultset v0.0.0-20240624051018-30a50859e1b5 // indirect
-	github.com/stretchr/testify v1.9.0 // indirect
-	go.uber.org/multierr v1.11.0 // indirect
+	go.uber.org/multierr v1.10.0 // indirect
+	go.uber.org/zap v1.27.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 797e78e..66398ff 100644
--- a/go.sum
+++ b/go.sum
@@ -1,22 +1,10 @@
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/oneclickvirt/basics v0.0.0-20240524033341-86198d11d5f0 h1:ve6vWhPr+nN0msYTPLzjaMp2Mch/vc5bsV0OKmLt8Nc=
-github.com/oneclickvirt/basics v0.0.0-20240524033341-86198d11d5f0/go.mod h1:WJP9pAByPMKujLhCtFMp+7ljd31jjLCQkIRPRSukEZA=
 github.com/oneclickvirt/defaultset v0.0.0-20240624051018-30a50859e1b5 h1:TUM6XzOB7Z7OxyXi3fwlZY9KfuVbvUBusYiNbSfX208=
 github.com/oneclickvirt/defaultset v0.0.0-20240624051018-30a50859e1b5/go.mod h1:e9Jt4tf2sbemCtc84/XgKcHy9EZ2jkc5x2sW1NiJS+E=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
-github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
-go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
-go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
-go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
+go.uber.org/multierr v1.10.0 h1:S0h4aNzvfcFsC3dRF1jLoaov7oRaKqRGC/pUEJ2yvPQ=
+go.uber.org/multierr v1.10.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
 go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
-golang.org/x/net v0.24.0 h1:1PcaxkF854Fu3+lvBIx5SYn9wRlBzzcnHZSiaFFAb0w=
-golang.org/x/net v0.24.0/go.mod h1:2Q7sJY5mzlzWjKtYUEXSlBWCdyaioyXzRB2RtU8KVE8=
-golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
-golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+golang.org/x/net v0.26.0 h1:soB7SVo0PWrY4vPW/+ay0jKDNScG2X9wFeYlXIvJsOQ=
+golang.org/x/net v0.26.0/go.mod h1:5YKkiSynbBIh3p6iOc/vibscux0x38BZDkn8sCUPxHE=
+golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=