diff --git a/go.mod b/go.mod
index dee76c5..4d68df5 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,8 @@ module XProxy
 
 go 1.18
 
-require gopkg.in/yaml.v3 v3.0.1 // indirect
+require (
+	github.com/sirupsen/logrus v1.9.0 // indirect
+	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/go.sum b/go.sum
index 4bc0337..9b490be 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,13 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sirupsen/logrus v1.9.0 h1:trlNQbNUG3OdDrDil03MCb1H2o9nJ1x4/5LYw7byDE0=
+github.com/sirupsen/logrus v1.9.0/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 h1:0A+M6Uqn+Eje4kHMK80dtF3JCXC4ykBgQG4Fe06QRhQ=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/src/config.go b/src/config.go
index d226194..34bfe61 100644
--- a/src/config.go
+++ b/src/config.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+    log "github.com/sirupsen/logrus"
     "gopkg.in/yaml.v3"
     "net"
     "strconv"
@@ -66,10 +67,12 @@ func isIPv6(ipAddr string, isRange bool) bool {
 
 func loadConfig(rawConfig []byte) {
     config := Config{}
+    log.Debug("Decode yaml content -> \n", string(rawConfig))
     err := yaml.Unmarshal(rawConfig, &config) // yaml (or json) decode
     if err != nil {
         panic(err)
     }
+    log.Debug("Decoded config -> ", config)
 
     for _, address := range config.Network.DNS { // dns options
         if isIPv4(address, false) || isIPv6(address, false) {
@@ -78,6 +81,7 @@ func loadConfig(rawConfig []byte) {
             panic("Invalid DNS server -> " + address)
         }
     }
+    log.Info("DNS server -> ", dnsServer)
 
     for _, address := range config.Network.ByPass { // bypass options
         if isIPv4(address, true) {
@@ -88,24 +92,30 @@ func loadConfig(rawConfig []byte) {
             panic("Invalid bypass CIDR -> " + address)
         }
     }
+    log.Info("IPv4 bypass CIDR -> ", v4Bypass)
+    log.Info("IPv6 bypass CIDR -> ", v6Bypass)
 
-    v4Address = config.Network.IPv4.Address // ipv4 options
-    v4Gateway = config.Network.IPv4.Gateway
     v4Forward = config.Network.IPv4.Forward
+    v6Forward = config.Network.IPv6.Forward
+    log.Infof("IP forward -> IPv4 = %v | IPv6 = %v", v4Forward, v6Forward)
+
+    v4Address = config.Network.IPv4.Address
+    v4Gateway = config.Network.IPv4.Gateway
     if v4Address != "" && !isIPv4(v4Address, true) {
         panic("Invalid IPv4 address -> " + v4Address)
     }
     if v4Gateway != "" && !isIPv4(v4Gateway, false) {
         panic("Invalid IPv4 gateway -> " + v4Gateway)
     }
+    log.Infof("IPv4 -> address = %s | gateway = %s", v4Address, v4Gateway)
 
-    v6Address = config.Network.IPv6.Address // ipv6 options
+    v6Address = config.Network.IPv6.Address
     v6Gateway = config.Network.IPv6.Gateway
-    v6Forward = config.Network.IPv6.Forward
     if v6Address != "" && !isIPv6(v6Address, true) {
         panic("Invalid IPv6 address -> " + v6Address)
     }
     if v6Gateway != "" && !isIPv6(v6Gateway, false) {
         panic("Invalid IPv6 gateway -> " + v6Gateway)
     }
+    log.Infof("IPv6 -> address = %s | gateway = %s", v6Address, v6Gateway)
 }
diff --git a/src/main.go b/src/main.go
index 9425297..fd539c8 100644
--- a/src/main.go
+++ b/src/main.go
@@ -1,26 +1,16 @@
 package main
 
 import (
-    "fmt"
+    log "github.com/sirupsen/logrus"
     "os"
 )
 
 func main() {
-    fmt.Println("XProxy start")
+    log.SetLevel(log.DebugLevel)
+    log.Warning("XProxy start")
     content, err := os.ReadFile("test.yml")
     if err != nil {
         panic(err)
     }
     loadConfig(content)
-    fmt.Println("DNS ->", dnsServer)
-    fmt.Println("v4Bypass ->", v4Bypass)
-    fmt.Println("v6Bypass ->", v6Bypass)
-
-    fmt.Println("v4Gateway ->", v4Gateway)
-    fmt.Println("v4Address ->", v4Address)
-    fmt.Println("v6Gateway ->", v6Gateway)
-    fmt.Println("v6Address ->", v6Address)
-
-    fmt.Println("v4Forward ->", v4Forward)
-    fmt.Println("v6Forward ->", v6Forward)
 }