diff --git a/g/encoding/gcrc32/gcrc32.go b/g/crypto/gcrc32/gcrc32.go
similarity index 84%
rename from g/encoding/gcrc32/gcrc32.go
rename to g/crypto/gcrc32/gcrc32.go
index da9124565..38cf205db 100644
--- a/g/encoding/gcrc32/gcrc32.go
+++ b/g/crypto/gcrc32/gcrc32.go
@@ -11,10 +11,10 @@ import (
     "hash/crc32"
 )
 
-func EncodeString(v string) uint32 {
+func EncryptString(v string) uint32 {
     return crc32.ChecksumIEEE([]byte(v))
 }
 
-func EncodeBytes(v []byte) uint32 {
+func EncryptBytes(v []byte) uint32 {
     return crc32.ChecksumIEEE(v)
 }
diff --git a/g/encoding/gdes/gdes.go b/g/crypto/gdes/gdes.go
similarity index 100%
rename from g/encoding/gdes/gdes.go
rename to g/crypto/gdes/gdes.go
diff --git a/g/encoding/gdes/gdes_test.go b/g/crypto/gdes/gdes_test.go
similarity index 99%
rename from g/encoding/gdes/gdes_test.go
rename to g/crypto/gdes/gdes_test.go
index 8d19e1805..00dc2d13b 100644
--- a/g/encoding/gdes/gdes_test.go
+++ b/g/crypto/gdes/gdes_test.go
@@ -1,4 +1,4 @@
-package gdes_test
+package gdes
 
 import (
 	"testing"
diff --git a/g/encoding/gmd5/gmd5.go b/g/crypto/gmd5/gmd5.go
similarity index 64%
rename from g/encoding/gmd5/gmd5.go
rename to g/crypto/gmd5/gmd5.go
index 9b7dc1339..8f9efb595 100644
--- a/g/encoding/gmd5/gmd5.go
+++ b/g/crypto/gmd5/gmd5.go
@@ -10,46 +10,35 @@ package gmd5
 import (
     "crypto/md5"
     "fmt"
-    "encoding/json"
-    "reflect"
     "os"
     "io"
-    "gitee.com/johng/gf/g/os/glog"
+    "gitee.com/johng/gf/g/util/gconv"
 )
 
 // 将任意类型的变量进行md5摘要(注意map等非排序变量造成的不同结果)
-func Encode(v interface{}) string {
+func Encrypt(v interface{}) string {
     h := md5.New()
-    if "string" == reflect.TypeOf(v).String() {
-        h.Write([]byte(v.(string)))
-    } else {
-        b, err := json.Marshal(v)
-        if err != nil {
-            return ""
-        } else {
-            h.Write(b)
-        }
-    }
+    h.Write([]byte(gconv.Bytes(v)))
     return fmt.Sprintf("%x", h.Sum(nil))
 }
 
 // 将字符串进行MD5哈希摘要计算
-func EncodeString(v string) string {
+func EncryptString(v string) string {
     h := md5.New()
     h.Write([]byte(v))
     return fmt.Sprintf("%x", h.Sum(nil))
 }
 
 // 将文件内容进行MD5哈希摘要计算
-func EncodeFile(path string) string {
+func EncryptFile(path string) string {
     f, e := os.Open(path)
     if e != nil {
-        glog.Fatalln(e)
+        return ""
     }
     h := md5.New()
     _, e = io.Copy(h, f)
     if e != nil {
-        glog.Fatalln(e)
+        return ""
     }
     return fmt.Sprintf("%x", h.Sum(nil))
 }
diff --git a/g/encoding/gsha1/gsha1.go b/g/crypto/gsha1/gsha1.go
similarity index 75%
rename from g/encoding/gsha1/gsha1.go
rename to g/crypto/gsha1/gsha1.go
index 051a6c9b4..fe95e2e22 100644
--- a/g/encoding/gsha1/gsha1.go
+++ b/g/crypto/gsha1/gsha1.go
@@ -12,32 +12,32 @@ import (
     "encoding/hex"
     "os"
     "io"
-    "gitee.com/johng/gf/g/os/glog"
-    "gitee.com/johng/gf/g/encoding/gmd5"
+    "gitee.com/johng/gf/g/util/gconv"
 )
 
 // 将任意类型的变量进行SHA摘要(注意map等非排序变量造成的不同结果)
 // 内部使用了md5计算，因此效率会稍微差一些，更多情况请使用 EncodeString
-func Encode(v interface{}) string {
-    return EncodeString(gmd5.Encode(v))
+func Encrypt(v interface{}) string {
+    r := sha1.Sum(gconv.Bytes(v))
+    return hex.EncodeToString(r[:])
 }
 
 // 对字符串行SHA1摘要计算
-func EncodeString(s string) string {
+func EncryptString(s string) string {
     r := sha1.Sum([]byte(s))
     return hex.EncodeToString(r[:])
 }
 
 // 对文件内容进行SHA1摘要计算
-func EncodeFile(path string) string {
+func EncryptFile(path string) string {
     f, e := os.Open(path)
     if e != nil {
-        glog.Fatalln(e)
+        return ""
     }
     h := sha1.New()
     _, e = io.Copy(h, f)
     if e != nil {
-        glog.Fatalln(e)
+        return ""
     }
     return hex.EncodeToString(h.Sum(nil))
 }
\ No newline at end of file