diff --git a/main.go b/main.go
index 7b1e6d5..962688e 100644
--- a/main.go
+++ b/main.go
@@ -4,49 +4,11 @@ import (
 	"flag"
 	"fmt"
 	"goED/util"
-	"io/ioutil"
-	"os"
 )
 
-//PathExists 判断一个文件或文件夹是否存在
-//输入文件路径，根据返回的bool值来判断文件或文件夹是否存在
-func PathExists(path string) (bool, string) {
-	if len(path) == 0 {
-		return false, "path 不能为空"
-	}
-	_, err := os.Stat(path)
-	if err == nil {
-		return true, "存在"
-	}
-	if os.IsNotExist(err) {
-		return false, "path路径文件不存在"
-	}
-	return false, "path路径文件不存在"
-}
-
-func readFileToStr(path string) string {
-	content, err := ioutil.ReadFile(path)
-	if err != nil {
-		fmt.Println("read file failed, err:", err)
-		return ""
-	}
-	return string(content)
-}
-
-func genFile(str, path string) {
-	file, err := os.OpenFile(path, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
-	if err != nil {
-		fmt.Println("open file failed, err:", err)
-		return
-	}
-	defer file.Close()
-	file.Write([]byte(str)) //写入字节切片数据
-	//file.WriteString("hello go") //直接写入字符串数据
-}
-
 func test() {
 	//content, err := ioutil.ReadFile("C:\\Users\\61778\\Desktop\\HelloWorld.class")
-	strContent := readFileToStr("C:\\METSIM\\example\\gascleaning_1.5_30.sfw")
+	strContent := util.ReadFileToStr("C:\\METSIM\\example\\gascleaning_1.5_30.sfw")
 	//fmt.Println(strContent)
 	Encrypt, _ := util.AesEcpt.AesBase64Encrypt(strContent)
 	//fmt.Printf("Encrypt: %v\n", Encrypt)
@@ -54,33 +16,6 @@ func test() {
 	//fmt.Printf("Decrypt: %v\n", Decrypt)
 	fmt.Printf("明文长度: %v\n解密后长度: %v\n", len(strContent), len(Decrypt))
 }
-func testGenFile(path, enPath, dePath string) {
-	strContent := readFileToStr(path)
-	Encrypt, _ := util.AesEcpt.AesBase64Encrypt(strContent)
-	genFile(Encrypt, enPath)
-	//fmt.Printf("Encrypt: %v\n", Encrypt)
-	Decrypt, _ := util.AesEcpt.AesBase64Decrypt(Encrypt)
-	genFile(Decrypt, dePath)
-	//fmt.Printf("Decrypt: %v\n", Decrypt)
-	fmt.Printf("明文长度: %v\n解密后长度: %v\n", len(strContent), len(Decrypt))
-}
-
-func enFile(path string) {
-	enFileToOutPath(path, path)
-}
-func enFileToOutPath(path, outPath string) {
-	strContent := readFileToStr(path)
-	Encrypt, _ := util.AesEcpt.AesBase64Encrypt(strContent)
-	genFile(Encrypt, outPath)
-}
-func deFile(path string) {
-	deFileToOutPath(path, path)
-}
-func deFileToOutPath(path string, outPath string) {
-	strContent := readFileToStr(path)
-	Decrypt, _ := util.AesEcpt.AesBase64Decrypt(strContent)
-	genFile(Decrypt, outPath)
-}
 
 var mode = flag.String("mode", "de", "加密或者解密  en de")
 var path = flag.String("path", "", "文件路径")
@@ -90,7 +25,7 @@ var key = flag.String("key", "", "加密秘钥-限制大小写字母数字16位
 func main() {
 	flag.Parse()
 	//验证操作文件路径是否有效
-	flag, message := PathExists(*path)
+	flag, message := util.PathExists(*path)
 	if !flag {
 		fmt.Printf(message)
 	} else {
@@ -112,21 +47,21 @@ func main() {
 			//执行加密
 		} else if *mode == "en" {
 			modeName = "加密"
-			enFileToOutPath(*path, out)
+			util.EnFileToOutPath(*path, out)
 			//执行解密
 		} else if *mode == "de" {
 			modeName = "解密"
-			deFileToOutPath(*path, out)
+			util.DeFileToOutPath(*path, out)
 		}
 		fmt.Println(modeName + "成功,被" + modeName + "文件是在: " + *path + " " + modeName + "后文件生产在：" + out)
 	}
 
 	//test()
-	// testGenFile("C:\\METSIM\\example\\gascleaning_1.5_30.sfw",
+	// TestGenFile("C:\\METSIM\\example\\gascleaning_1.5_30.sfw",
 	// 	"C:\\Users\\61778\\Desktop\\testGoED\\gascleaning_1.5_30.sfw.EN",
 	// 	"C:\\Users\\61778\\Desktop\\testGoED\\gascleaning_1.5_30.sfw")
-	// enFile("C:\\Users\\61778\\Desktop\\HelloWorld.class")
-	// deFile("C:\\Users\\61778\\Desktop\\HelloWorld.class")
+	// EnFile("C:\\Users\\61778\\Desktop\\HelloWorld.class")
+	// DeFile("C:\\Users\\61778\\Desktop\\HelloWorld.class")
 
 	// cmd := exec.Command("cmd", "/C", "C:\\METSIM\\METSIM.exe",
 	// 	"MOD=C:\\Users\\61778\\Desktop\\testGoED\\gascleaning_1.5_30.sfw", "SIL=1")
diff --git a/util/OpFile.go b/util/OpFile.go
new file mode 100644
index 0000000..527e7ef
--- /dev/null
+++ b/util/OpFile.go
@@ -0,0 +1,71 @@
+package util
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+)
+
+//PathExists 判断一个文件或文件夹是否存在
+//输入文件路径，根据返回的bool值来判断文件或文件夹是否存在
+func PathExists(path string) (bool, string) {
+	if len(path) == 0 {
+		return false, "path 不能为空"
+	}
+	_, err := os.Stat(path)
+	if err == nil {
+		return true, "存在"
+	}
+	if os.IsNotExist(err) {
+		return false, "path路径文件不存在"
+	}
+	return false, "path路径文件不存在"
+}
+
+func ReadFileToStr(path string) string {
+	content, err := ioutil.ReadFile(path)
+	if err != nil {
+		fmt.Println("read file failed, err:", err)
+		return ""
+	}
+	return string(content)
+}
+
+func GenFile(str, path string) {
+	file, err := os.OpenFile(path, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
+	if err != nil {
+		fmt.Println("open file failed, err:", err)
+		return
+	}
+	defer file.Close()
+	file.Write([]byte(str)) //写入字节切片数据
+	//file.WriteString("hello go") //直接写入字符串数据
+}
+
+func TestGenFile(path, enPath, dePath string) {
+	strContent := ReadFileToStr(path)
+	Encrypt, _ := AesEcpt.AesBase64Encrypt(strContent)
+	GenFile(Encrypt, enPath)
+	//fmt.Printf("Encrypt: %v\n", Encrypt)
+	Decrypt, _ := AesEcpt.AesBase64Decrypt(Encrypt)
+	GenFile(Decrypt, dePath)
+	//fmt.Printf("Decrypt: %v\n", Decrypt)
+	fmt.Printf("明文长度: %v\n解密后长度: %v\n", len(strContent), len(Decrypt))
+}
+
+func EnFile(path string) {
+	EnFileToOutPath(path, path)
+}
+func EnFileToOutPath(path, outPath string) {
+	strContent := ReadFileToStr(path)
+	Encrypt, _ := AesEcpt.AesBase64Encrypt(strContent)
+	GenFile(Encrypt, outPath)
+}
+func DeFile(path string) {
+	DeFileToOutPath(path, path)
+}
+func DeFileToOutPath(path string, outPath string) {
+	strContent := ReadFileToStr(path)
+	Decrypt, _ := AesEcpt.AesBase64Decrypt(strContent)
+	GenFile(Decrypt, outPath)
+}