diff --git a/go.mod b/go.mod
index 135c1c9..9038ea2 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,7 @@ module github.com/xiaoqidun/idkey
 
 go 1.15
 
-require golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de
+require (
+	golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897
+	golang.org/x/sys v0.0.0-20201020230747-6e5568b54d1a // indirect
+)
diff --git a/go.sum b/go.sum
index b1681a5..0e77d13 100644
--- a/go.sum
+++ b/go.sum
@@ -1,8 +1,12 @@
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de h1:ikNHVSjEfnvz6sxdSPCaPt572qowuyMDMJLLm3Db3ig=
 golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897 h1:pLI5jrR7OSLijeIDcmRxNmw2api+jEfxLoykJVice/E=
+golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d h1:+R4KGOnez64A81RvjARKc4UT5/tI9ujCIVX+P5KiHuI=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201020230747-6e5568b54d1a h1:e3IU37lwO4aq3uoRKINC7JikojFmE5gO7xhfxs8VC34=
+golang.org/x/sys v0.0.0-20201020230747-6e5568b54d1a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
diff --git a/idkey.go b/idkey.go
index da2f4a5..edd31a7 100644
--- a/idkey.go
+++ b/idkey.go
@@ -10,7 +10,7 @@ import (
 	"strings"
 )
 
-// Data 密码编码结构
+// Data 密文编码结构
 type Data struct {
 	EncodeOptions        // 加密选项
 	Hash          []byte // 密码密文
@@ -61,7 +61,7 @@ func Encode(password []byte, options *EncodeOptions) string {
 	)
 }
 
-// Decode 获取密文的编码结构
+// Decode 获取密文编码结构
 func Decode(passwordHash string) (data *Data, err error) {
 	data = &Data{}
 	params := strings.Split(passwordHash, "$")