diff --git a/app/cmd/device b/app/cmd/device
new file mode 100644
index 0000000..b3f4453
--- /dev/null
+++ b/app/cmd/device
@@ -0,0 +1,144 @@
+
+
+                if (md.mobile())
+                    return {
+                        device: md.os() === 'iOS' ? md.phone() : md.os(),
+                        platform: 'Smartphones/PDAs/Tablets'
+                    };
+                // Desktop
+
+                if (lo.includes('win') && lo.includes('95'))
+                    return {
+                        device: 'Windows 95',
+                        platform: 'Windows'
+                    };
+                if (lo.includes('win 9x') && lo.includes('4.90'))
+                    return {
+                        device: 'Windows ME',
+                        platform: 'Windows'
+                    };
+                if (lo.includes('win') && lo.includes('98'))
+                    return {
+                        device: 'Windows 98',
+                        platform: 'Windows'
+                    };
+                if (lo.includes('win') && lo.includes('nt 5.0'))
+                    return {
+                        device: 'Windows 2000',
+                        platform: 'Windows'
+                    };
+                if (lo.includes('win') && lo.includes('nt 5.1'))
+                    return {
+                        device: 'Windows XP',
+                        platform: 'Windows'
+                    };
+                if (lo.includes('win') && lo.includes('nt 6.0'))
+                    return {
+                        device: 'Windows Vista',
+                        platform: 'Windows'
+                    };
+                if (lo.includes('win') && lo.includes('nt 6.1'))
+                    return {
+                        device: 'Windows 7',
+                        platform: 'Windows'
+                    };
+                if (lo.includes('win') && lo.includes('nt 6.2'))
+                    return {
+                        device: 'Windows 8',
+                        platform: 'Windows'
+                    };
+                if (lo.includes('win') && lo.includes('nt 6.3'))
+                    return {
+                        device: 'Windows 8',
+                        platform: 'Windows'
+                    };
+                if (lo.includes('win') && lo.includes('nt 10.0'))
+                    return {
+                        device: 'Windows 10',
+                        platform: 'Windows'
+                    };
+                if (lo.includes('win') && lo.includes('32'))
+                    return {
+                        device: 'Windows 32',
+                        platform: 'Windows'
+                    };
+                if (lo.includes('win') && lo.includes('nt'))
+                    return {
+                        device: 'Windows NT',
+                        platform: 'Windows'
+                    };
+                if (lo.includes('mac os'))
+                    return {
+                        device: 'Mac OS',
+                        platform: 'Macintosh'
+                    };
+                if (lo.includes('linux'))
+                    return {
+                        device: 'Linux',
+                        platform: 'Linux'
+                    };
+                if (lo.includes('unix'))
+                    return {
+                        device: 'Unix',
+                        platform: 'Linux'
+                    };
+                if (lo.includes('sun') && lo.includes('os'))
+                    return {
+                        device: 'SunOS',
+                        platform: 'Linux'
+                    };
+                if (lo.includes('ibm') && lo.includes('os'))
+                    return {
+                        device: 'IBM OS/2',
+                        platform: 'Linux'
+                    };
+                if (lo.includes('mac') && lo.includes('pc'))
+                    return {
+                        device: 'Macintosh',
+                        platform: 'Macintosh'
+                    };
+                if (lo.includes('powerpc'))
+                    return {
+                        device: 'PowerPC',
+                        platform: 'Linux'
+                    };
+                if (lo.includes('aix'))
+                    return {
+                        device: 'AIX',
+                        platform: 'Linux'
+                    };
+                if (lo.includes('hpux'))
+                    return {
+                        device: 'HPUX',
+                        platform: 'Linux'
+                    };
+                if (lo.includes('netbsd'))
+                    return {
+                        device: 'NetBSD',
+                        platform: 'Linux'
+                    };
+                if (lo.includes('bsd'))
+                    return {
+                        device: 'BSD',
+                        platform: 'Linux'
+                    };
+                if (lo.includes('osf1'))
+                    return {
+                        device: 'OSF1',
+                        platform: 'Linux'
+                    };
+                if (lo.includes('irix'))
+                    return {
+                        device: 'IRIX',
+                        platform: 'Linux'
+                    };
+                if (lo.includes('freebsd'))
+                    return {
+                        device: 'FreeBSD',
+                        platform: 'Linux'
+                    };
+                return {
+                    device: 'Windows NT',
+                    platform: 'Windows'
+                };
+            }
\ No newline at end of file
diff --git a/app/cmd/main.go b/app/cmd/main.go
index e4c25ec..50845b0 100644
--- a/app/cmd/main.go
+++ b/app/cmd/main.go
@@ -5,22 +5,23 @@ import (
 )
 
 func main() {
-	a := "123456"
-	b := true
+	aa := []int32{1}
+	aa = append(aa, 12)
+	aa = append(aa, 23)
 
-	fmt.Println(s(a, b))
+	fmt.Println(aa)
 }
 
-func s(origin string, b bool) (result []rune) {
-	data := []rune(origin)
+func s(origin string, b bool) (result []int32) {
+	data := []int32(origin)
 	dataLen := len(origin)
 
 	resultLen := (dataLen / 4) + 1
 	if b {
-		result = make([]rune, resultLen+1)
-		result[resultLen] = rune(resultLen)
+		result = make([]int32, resultLen+1)
+		result[resultLen] = int32(resultLen)
 	} else {
-		result = make([]rune, resultLen)
+		result = make([]int32, resultLen)
 	}
 
 	for i := 0; i < dataLen; i += 4 {
@@ -32,10 +33,10 @@ func s(origin string, b bool) (result []rune) {
 	return result
 }
 
-func getCharAt(str []rune, index int, length int) rune {
+func getCharAt(data []int32, index int, length int) int32 {
 	if index >= length {
 		return 0
 	} else {
-		return str[index]
+		return data[index]
 	}
 }
diff --git a/app/encode/encode.go b/app/encode/encode.go
index 95dce10..1069d65 100644
--- a/app/encode/encode.go
+++ b/app/encode/encode.go
@@ -1,19 +1,19 @@
 package encode
 
-func XEncode(str string, key string) string {
+//func XEncode(str string, key string) string {
+//
+//}
 
-}
-
-func s(origin string, b bool) (result []rune) {
-	data := []rune(origin)
+func s(origin string, b bool) (result []int32) {
+	data := []int32(origin)
 	dataLen := len(origin)
 
 	resultLen := (dataLen / 4) + 1
 	if b {
-		result = make([]rune, resultLen+1)
-		result[resultLen] = rune(resultLen)
+		result = make([]int32, resultLen+1)
+		result[resultLen] = int32(resultLen)
 	} else {
-		result = make([]rune, resultLen)
+		result = make([]int32, resultLen)
 	}
 
 	for i := 0; i < dataLen; i += 4 {
@@ -23,25 +23,26 @@ func s(origin string, b bool) (result []rune) {
 	return result
 }
 
-func l(a string, b bool) (result []rune) {
-	d := len(a)
-	data := []rune(a)
-
-	c := d - 1<<2
-
-	if b {
-		m := int(data[d-1])
-		if m < c-3 || m > c {
-			return nil
-		}
-		c = m
-	}
-}
-
-func get(str []rune, index int, length int) rune {
+//
+//func l(a string, b bool) (result []int32) {
+//	d := len(a)
+//	data := []int32(a)
+//
+//	c := d - 1<<2
+//
+//	if b {
+//		m := int(data[d-1])
+//		if m < c-3 || m > c {
+//			return nil
+//		}
+//		c = m
+//	}
+//}
+
+func get(data []int32, index int, length int) int32 {
 	if index >= length {
 		return 0
 	} else {
-		return str[index]
+		return data[index]
 	}
 }