diff --git a/cmd/debug.go b/cmd/debug.go
index 8f991dc..e225a12 100644
--- a/cmd/debug.go
+++ b/cmd/debug.go
@@ -10,7 +10,7 @@ var debugCmd = &cobra.Command{
 	Use:   "debug",
 	Short: "Output all parsed configurations for debugging",
 	Run: func(cmd *cobra.Command, args []string) {
-		proxy.Debug()
+		proxy.Debug(cfgFile)
 	},
 }
 
diff --git a/cmd/root.go b/cmd/root.go
index f977065..79589a3 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -6,14 +6,18 @@ import (
 	"github.com/spf13/cobra"
 )
 
-// rootCmd represents the base command when called without any subcommands
-var rootCmd = &cobra.Command{
-	Use:   "ProxySwitcher",
-	Short: "A simple internet proxy switching tool",
-	// Uncomment the following line if your bare application
-	// has an action associated with it:
-	// Run: func(cmd *cobra.Command, args []string) { },
-}
+var (
+	cfgFile string
+
+	// rootCmd represents the base command when called without any subcommands
+	rootCmd = &cobra.Command{
+		Use:   "ProxySwitcher",
+		Short: "A simple internet proxy switching tool",
+		// Uncomment the following line if your bare application
+		// has an action associated with it:
+		// Run: func(cmd *cobra.Command, args []string) { },
+	}
+)
 
 // Execute adds all child commands to the root command and sets flags appropriately.
 // This is called by main.main(). It only needs to happen once to the rootCmd.
@@ -29,7 +33,7 @@ func init() {
 	// Cobra supports persistent flags, which, if defined here,
 	// will be global for your application.
 
-	// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.ProxySwitcher.yaml)")
+	rootCmd.PersistentFlags().StringVarP(&cfgFile, "configs", "c", "configs.json", "configurations file")
 
 	// Cobra also supports local flags, which will only run
 	// when this action is called directly.
diff --git a/cmd/save.go b/cmd/save.go
index e93efb5..56f4e7a 100644
--- a/cmd/save.go
+++ b/cmd/save.go
@@ -38,7 +38,7 @@ var saveCmd = &cobra.Command{
 		var input string
 		fmt.Print("Save this data? (Y/n) ")
 		if input == "" || strings.ToLower(input) == "y" {
-			util.SaveConfig(config)
+			util.SaveConfig(cfgFile, config)
 		}
 	},
 }
diff --git a/cmd/set.go b/cmd/set.go
index a919588..011ff22 100644
--- a/cmd/set.go
+++ b/cmd/set.go
@@ -10,7 +10,7 @@ var setCmd = &cobra.Command{
 	Use:   "set",
 	Short: "Enable the current internet proxy settings",
 	Run: func(cmd *cobra.Command, args []string) {
-		proxy.Set()
+		proxy.Set(cfgFile)
 	},
 }
 
diff --git a/cmd/unset.go b/cmd/unset.go
index 65a9917..c619448 100644
--- a/cmd/unset.go
+++ b/cmd/unset.go
@@ -10,7 +10,7 @@ var unsetCmd = &cobra.Command{
 	Use:   "unset",
 	Short: "Disable the current internet proxy settings",
 	Run: func(cmd *cobra.Command, args []string) {
-		proxy.Unset()
+		proxy.Unset(cfgFile)
 	},
 }
 
diff --git a/proxy/debug.go b/proxy/debug.go
index 8430d06..9db4400 100644
--- a/proxy/debug.go
+++ b/proxy/debug.go
@@ -1,7 +1,10 @@
 package proxy
 
 import (
+	"errors"
 	"fmt"
+	"os"
+	"path/filepath"
 	"strings"
 
 	"github.com/Baipyrus/ProxySwitcher/util"
@@ -19,18 +22,26 @@ func mapCmdsToStr(commands []*util.Command) string {
 	return strings.Join(output, "\n")
 }
 
-func Debug() {
+func Debug(cfgFile string) {
+	path, _ := filepath.Abs(cfgFile)
+	if _, err := os.Stat(path); errors.Is(err, os.ErrNotExist) {
+		path = "[N/A]"
+	}
+
+	fmt.Printf("\nConfig:\n")
+	fmt.Printf("%s\n\n", path)
+
 	proxy, _ := ReadSystemProxy()
 	proxyServer := proxy.Server
 	if proxyServer == "" {
 		proxyServer = "[N/A]"
 	}
 
-	fmt.Println("\nSystem Proxy:")
+	fmt.Println("System Proxy:")
 	fmt.Printf("Enabled: %t\n", proxy.Enabled)
 	fmt.Printf("Server: %s\n\n", proxyServer)
 
-	configs, _ := util.ReadConfigs()
+	configs, _ := util.ReadConfigs(cfgFile)
 	for _, config := range configs {
 		configCmd := config.Name
 		// Use command instead of name, if given
diff --git a/proxy/set.go b/proxy/set.go
index 00c0b7f..a531657 100644
--- a/proxy/set.go
+++ b/proxy/set.go
@@ -4,7 +4,7 @@ import (
 	"github.com/Baipyrus/ProxySwitcher/util"
 )
 
-func Set() {
+func Set(cfgFile string) {
 	stdin, closeFunc, _ := util.ReadyCmd()
 
 	proxy, _ := ReadSystemProxy()
@@ -13,7 +13,7 @@ func Set() {
 		SetSystemProxy(true)
 	}
 
-	configs, _ := util.ReadConfigs()
+	configs, _ := util.ReadConfigs(cfgFile)
 	for _, config := range configs {
 		configCmd := config.Name
 		// Use command instead of name, if given
diff --git a/proxy/unset.go b/proxy/unset.go
index f4eade3..c24b4b8 100644
--- a/proxy/unset.go
+++ b/proxy/unset.go
@@ -4,16 +4,16 @@ import (
 	"github.com/Baipyrus/ProxySwitcher/util"
 )
 
-func Unset() {
+func Unset(cfgFile string) {
 	stdin, closeFunc, _ := util.ReadyCmd()
 
-	// Unset system proxy, if not already
 	proxy, _ := ReadSystemProxy()
+	// Unset system proxy, if not already
 	if proxy.Enabled {
 		SetSystemProxy(false)
 	}
 
-	configs, _ := util.ReadConfigs()
+	configs, _ := util.ReadConfigs(cfgFile)
 	for _, config := range configs {
 		configCmd := config.Name
 		// Use command instead of name, if given
diff --git a/util/config.go b/util/config.go
index 94a6997..a29b506 100644
--- a/util/config.go
+++ b/util/config.go
@@ -6,8 +6,8 @@ import (
 	"os"
 )
 
-func ReadConfigs() ([]*Config, error) {
-	file, err := os.Open("configs.json")
+func ReadConfigs(name string) ([]*Config, error) {
+	file, err := os.Open(name)
 
 	if err != nil {
 		return nil, err
@@ -25,8 +25,8 @@ func ReadConfigs() ([]*Config, error) {
 	return config, nil
 }
 
-func SaveConfig(config Config) error {
-	configs, _ := ReadConfigs()
+func SaveConfig(name string, config Config) error {
+	configs, _ := ReadConfigs(name)
 	configs = append(configs, &config)
 
 	data, err := json.Marshal(configs)
@@ -34,6 +34,6 @@ func SaveConfig(config Config) error {
 		return err
 	}
 
-	err = os.WriteFile("configs.json", data, 0666)
+	err = os.WriteFile(name, data, 0666)
 	return err
 }