diff --git a/display/print.go b/display/print.go
index de2395e..f0609fd 100644
--- a/display/print.go
+++ b/display/print.go
@@ -7,12 +7,12 @@ import (
 
 const TimeFormat = "15:04:05.000"
 
-func PrintfWithTime(format string, args ...interface{}) {
+func PrintfWithTime(format string, args ...any) {
 	args = append([]interface{}{time.Now().Format(TimeFormat)}, args...)
 	fmt.Printf("%s "+format, args...)
 }
 
-func PrintlnWithTime(args ...interface{}) {
+func PrintlnWithTime(args ...any) {
 	args = append([]interface{}{time.Now().Format(TimeFormat)}, args...)
 	fmt.Println(args...)
 }
diff --git a/go.mod b/go.mod
index e9fca72..fc5e8f9 100644
--- a/go.mod
+++ b/go.mod
@@ -1,16 +1,14 @@
 module github.com/kevwan/tproxy
 
-go 1.16
+go 1.18
 
 require (
 	github.com/fatih/color v1.13.0
 	github.com/grpc/grpc/tools/http2_interop v0.0.0-20220615001509-d0751191a921
-	github.com/olekukonko/tablewriter v0.0.5
 )
 
 require (
 	github.com/mattn/go-colorable v0.1.9 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
-	github.com/mattn/go-runewidth v0.0.9 // indirect
 	golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
 )
diff --git a/go.sum b/go.sum
index ae5bd51..22bb9d8 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,5 @@
 github.com/fatih/color v1.13.0 h1:8LOYc1KYPPmyKMuN8QV2DNRWNbLo6LZ0iLs8+mlH53w=
 github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
-github.com/grpc/grpc/tools/http2_interop v0.0.0-20220611023707-932878b1ce81 h1:sYa3IEJkUhQaWW0VK2vomHvYe6GT7aGcBlP98Fq8+w8=
-github.com/grpc/grpc/tools/http2_interop v0.0.0-20220611023707-932878b1ce81/go.mod h1:BeiyA4wp8QEh/jcnxJlpfalCT/XiQ5bbFhikEDrXQcw=
 github.com/grpc/grpc/tools/http2_interop v0.0.0-20220615001509-d0751191a921 h1:zTONUZ32JlNtzbzxOEcAhV3vMwXX0bGkS803DYf4RBM=
 github.com/grpc/grpc/tools/http2_interop v0.0.0-20220615001509-d0751191a921/go.mod h1:BeiyA4wp8QEh/jcnxJlpfalCT/XiQ5bbFhikEDrXQcw=
 github.com/mattn/go-colorable v0.1.9 h1:sqDoxXbdeALODt0DAeJCVp38ps9ZogZEAXjus69YV3U=
@@ -9,10 +7,6 @@ github.com/mattn/go-colorable v0.1.9/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
 github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
-github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
-github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
-github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
-github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c h1:F1jZWGFhYfh0Ci55sIpILtKKK8p3i2/krTr0H1rg74I=
diff --git a/images/grpc.png b/images/grpc.png
deleted file mode 100644
index e0d8bd3..0000000
Binary files a/images/grpc.png and /dev/null differ
diff --git a/images/mysql.png b/images/mysql.png
deleted file mode 100644
index 7eb5a98..0000000
Binary files a/images/mysql.png and /dev/null differ