diff --git a/README.md b/README.md
index 311446d..ecff105 100644
--- a/README.md
+++ b/README.md
@@ -44,11 +44,14 @@ func WxHandler(w http.ResponseWriter, r *http.Request) {
 
 * 创建其他实例，密文模式
 ```go
+	// 创建公众号实例(服务号/订阅号/小程序) 不带aesKey则为明文模式
+	app := wechat.New("token", "appId", "secret")
+
 	// 创建公众号实例(服务号/订阅号/小程序)
 	app := wechat.New("token", "appId", "secret", "aesKey")
 
 	// 创建企业号实例
-	app := wechat.New("token", "appId", "secret", "aesKey", "agentId")
+	app := wechat.NewEnt("token", "appId", "secret", "aesKey", "agentId")
 
 	// 实例化后其他业务操作
 	ctx := app.VerifyURL(w, r)
diff --git a/accesstoken.go b/accesstoken.go
index de641bd..8f2c2a3 100644
--- a/accesstoken.go
+++ b/accesstoken.go
@@ -65,6 +65,7 @@ func (s *Server) getAccessToken() (err error) {
 	} else {
 		Printf("使用本地机制获取token")
 		url := fmt.Sprintf(s.TokenUrl, s.AppId, s.Secret)
+		Printf(url)
 		at := new(AccessToken)
 		if err = util.GetJson(url, at); err != nil {
 			return
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..798c2da
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,12 @@
+module github.com/esap/wechat
+
+go 1.12
+
+require (
+	github.com/labstack/echo v3.3.10+incompatible
+	github.com/labstack/gommon v0.2.8 // indirect
+	github.com/mattn/go-colorable v0.1.2 // indirect
+	github.com/stretchr/testify v1.3.0 // indirect
+	github.com/valyala/fasttemplate v1.0.1 // indirect
+	golang.org/x/crypto v0.0.0-20190513172903-22d7a77e9e5f // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..77d4fa8
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,30 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/labstack/echo v3.3.10+incompatible h1:pGRcYk231ExFAyoAjAfD85kQzRJCRI8bbnE7CX5OEgg=
+github.com/labstack/echo v3.3.10+incompatible/go.mod h1:0INS7j/VjnFxD4E2wkz67b8cVwCLbBmJyDaka6Cmk1s=
+github.com/labstack/gommon v0.2.8 h1:JvRqmeZcfrHC5u6uVleB4NxxNbzx6gpbJiQknDbKQu0=
+github.com/labstack/gommon v0.2.8/go.mod h1:/tj9csK2iPSBvn+3NLM9e52usepMtrd5ilFYA+wQNJ4=
+github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
+github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
+github.com/mattn/go-isatty v0.0.8 h1:HLtExJ+uU2HOZ+wI0Tt5DtUDrx8yhUqDcp7fYERX4CE=
+github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
+github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
+github.com/valyala/fasttemplate v1.0.1 h1:tY9CJiPnMXf1ERmG2EyK7gNUd+c6RKGD0IfU8WdUSz8=
+github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190513172903-22d7a77e9e5f h1:R423Cnkcp5JABoeemiGEPlt9tHXFfw5kvc0yqlxRPWo=
+golang.org/x/crypto v0.0.0-20190513172903-22d7a77e9e5f/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3 h1:0GoQqolDA55aaLxZyTzK/Y2ePZzZTUrRacwib7cNsYQ=
+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 v0.0.0-20190222072716-a9d3bda3a223/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/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
diff --git a/server.go b/server.go
index d918f31..022bae5 100644
--- a/server.go
+++ b/server.go
@@ -64,7 +64,7 @@ type Server struct {
 }
 
 // New 微信服务容器，根据agentId判断是企业号或服务号
-func New(token, appid, secret, key string, agentId ...int) (s *Server) {
+func NewEnt(token, appid, secret, key string, agentId ...int) (s *Server) {
 	s = NewServer(nil)
 	if len(agentId) > 0 {
 		s.SetEnt(token, appid, secret, key, agentId[0])
@@ -77,6 +77,12 @@ func New(token, appid, secret, key string, agentId ...int) (s *Server) {
 	return s
 }
 
+// New 微信服务容器
+func New(token, appid, secret string, key ...string) (s *Server) {
+	s = NewServer(nil)
+	s.Set(token, appid, secret, key...)
+	return s
+}
 // NewServer 空容器
 func NewServer(f func(appId string) *AccessToken) *Server {
 	s := &Server{