diff --git a/cmd/root.go b/cmd/root.go
index 80fd93b..01e78f2 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -16,15 +16,13 @@ package cmd
 
 import (
 	"fmt"
-	"os"
-
 	homedir "github.com/mitchellh/go-homedir"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
+	"os"
+	"path/filepath"
 )
 
-var cfgFile string
-
 var rootCmd = &cobra.Command{
 	Use:   "nem.sh",
 	Short: "nem.sh is a tool that executes the shell script written in the transaction message.",
@@ -59,7 +57,6 @@ var dhash map[string]interface{}
 
 func init() {
 	cobra.OnInitialize(initConfig)
-	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.nem.sh.json)")
 	viper.SetDefault("node", "san.nem.ninja")
 	viper.SetDefault("port", "7890")
 	viper.SetDefault("protocol", "http")
@@ -70,17 +67,29 @@ func init() {
 }
 
 func initConfig() {
-	if cfgFile != "" {
-		viper.SetConfigFile(cfgFile)
-	} else {
-		home, err := homedir.Dir()
-		if err != nil {
+	home, err := homedir.Dir()
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	path := filepath.Join(home, ".nem.sh")
+	viper.AddConfigPath(path)
+	viper.SetConfigType("json")
+	viper.SetConfigName("config")
+	if err := os.MkdirAll(path, 0777); err != nil {
+		fmt.Println(err)
+	}
+
+	configPath := filepath.Join(path, "config.json")
+	if Exists(configPath) == false {
+		if err := viper.WriteConfigAs(configPath); err != nil {
 			fmt.Println(err)
-			os.Exit(1)
 		}
-		viper.AddConfigPath(home)
-		viper.SetConfigType("json")
-		viper.SetConfigName(".nem.sh")
+	}
+	cashPath := filepath.Join(path, "cash")
+	if err := os.MkdirAll(cashPath, 0777); err != nil {
+		fmt.Println(err)
 	}
 
 	viper.AutomaticEnv()
@@ -89,3 +98,24 @@ func initConfig() {
 		viper.ConfigFileUsed()
 	}
 }
+
+func Exists(name string) bool {
+	if _, err := os.Stat(name); err != nil {
+		if os.IsNotExist(err) {
+			return false
+		}
+	}
+	return true
+}
+
+func GetFilePath(name string) string {
+	home, err := homedir.Dir()
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	path := filepath.Join(home, ".nem.sh")
+	cashPath := filepath.Join(path, "cash")
+	filePath := filepath.Join(cashPath, name+".sh")
+	return filePath
+}
diff --git a/cmd/run.go b/cmd/run.go
index 6e3ef9e..aee4a4c 100644
--- a/cmd/run.go
+++ b/cmd/run.go
@@ -15,8 +15,10 @@
 package cmd
 
 import (
+	"bytes"
 	"encoding/hex"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"github.com/myndshft/nemgo"
 	"github.com/spf13/cobra"
@@ -24,6 +26,7 @@ import (
 	"io/ioutil"
 	"net/http"
 	"os/exec"
+	"strings"
 )
 
 var hash string
@@ -47,45 +50,53 @@ var runCmd = &cobra.Command{
 		address := viper.GetString("address")
 		h := ""
 		if alias != "" {
-			tmp := viper.Get("alias")
-			if tmp != nil {
-				a := tmp.(map[string]interface{})
-				tmp2 := a[alias]
-				if tmp2 != nil {
-					h = a[alias].(string)
-				} else {
-					fmt.Println("alias not found.")
-					return
-				}
-			} else {
-				fmt.Println("alias not found.")
+			if tmp, err := getAlias(alias); err != nil {
+				fmt.Println(err)
 				return
+			} else {
+				h = tmp
 			}
 		} else {
 			h = hash
 		}
-		byteArray, _ := request(h)
-		t := &nemgo.TransactionMetadataPair{}
-		if err := json.Unmarshal(byteArray, t); err != nil {
-			fmt.Println("JSON Unmarshal error:", err)
-			return
-		}
-		if t.Meta.Hash.Data == h && t.Transaction.Recipient == address {
-			p := t.Transaction.Message.Payload
-			decoded, err := hex.DecodeString(p)
-			if err != nil {
-				fmt.Println(err)
+
+		// GetFilePath
+		filePath := GetFilePath(h)
+		if Exists(filePath) == false {
+			byteArray, _ := request(h)
+			t := &nemgo.TransactionMetadataPair{}
+			if err := json.Unmarshal(byteArray, t); err != nil {
+				fmt.Println("JSON Unmarshal error:", err)
+				return
 			}
-			if view == true {
-				fmt.Println(string(decoded))
-			} else {
-				out, err := exec.Command("sh", "-c", string(decoded)).Output()
+			if t.Meta.Hash.Data == h && t.Transaction.Recipient == address {
+				p := t.Transaction.Message.Payload
+				decoded, err := hex.DecodeString(p)
 				if err != nil {
 					fmt.Println(err)
 				}
-				fmt.Printf("%s", out)
+				var buf bytes.Buffer
+				buf.Write(decoded)
+				if err := ioutil.WriteFile(filePath, buf.Bytes(), 0644); err != nil {
+					fmt.Println("err:", err)
+				}
 			}
 		}
+
+		if view == true {
+			out, err := exec.Command("cat", filePath).Output()
+			if err != nil {
+				fmt.Println(err)
+			}
+			fmt.Printf("%s\n", out)
+		} else {
+			str := strings.Join(args, " ")
+			out, err := exec.Command("sh", filePath, str).Output()
+			if err != nil {
+				fmt.Println(err)
+			}
+			fmt.Printf("%s", out)
+		}
 	},
 }
 
@@ -110,3 +121,19 @@ func request(hash string) ([]byte, error) {
 	byteArray, err := ioutil.ReadAll(resp.Body)
 	return byteArray, err
 }
+
+func getAlias(key string) (string, error) {
+	tmp := viper.Get("alias")
+	if tmp != nil {
+		a := tmp.(map[string]interface{})
+		tmp2 := a[key]
+		if tmp2 != nil {
+			h := a[key].(string)
+			return h, nil
+		} else {
+			return "", errors.New("alias not found.")
+		}
+	} else {
+		return "", errors.New("alias not found.")
+	}
+}
diff --git a/cmd/setAlias.go b/cmd/setAlias.go
index 0a58cdd..5fe4d4a 100644
--- a/cmd/setAlias.go
+++ b/cmd/setAlias.go
@@ -40,7 +40,7 @@ nem.sh set-alias --hash b37685ca16474b6897550f51f008c11b1e24e93e51b5543d066d9266
 			h[name] = aHash
 			viper.Set("alias", h)
 			home, _ := homedir.Dir()
-			err := viper.WriteConfigAs(home + "/.nem.sh.json")
+			err := viper.WriteConfigAs(home + "/.nem.sh/config.json")
 			if err != nil {
 				fmt.Println(err)
 			}