diff --git a/conn.go b/conn.go
new file mode 100644
index 0000000..7adb553
--- /dev/null
+++ b/conn.go
@@ -0,0 +1,26 @@
+package supplierrpc
+
+import (
+	"git.tetele.net/tgo/conf"
+)
+
+var DES_KEY = "suppli22"
+
+func rpc_server_conn(url ...string) (*SupplierServiceClient, error) {
+
+	var rpc_url string
+	if len(url) > 0 && url[0] != "" {
+		rpc_url = url[0]
+	} else if conf.SUPPLIER_RPC_URL != "" {
+		rpc_url = conf.SUPPLIER_RPC_URL
+	} else {
+		rpc_url = "127.0.0.1:" + conf.SUPPLIER_RPC_PORT
+	}
+
+	conn, _, err := DialSupplierService("tcp", rpc_url)
+	if err != nil {
+		return nil, err
+	}
+
+	return conn, nil
+}
diff --git a/sign.go b/sign.go
new file mode 100644
index 0000000..d363f72
--- /dev/null
+++ b/sign.go
@@ -0,0 +1,77 @@
+package siterpc
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"errors"
+	"strconv"
+	"strings"
+	"time"
+
+	"git.tetele.net/tgo/crypter"
+)
+
+/**
+ * 签名
+ */
+func Sign(data string, salt string) string {
+
+	var build strings.Builder
+
+	build.WriteString(data)
+	build.WriteString(salt)
+	build.WriteString("sup334signlier")
+
+	data_str := build.String()
+
+	h := md5.New()
+	h.Write([]byte(data_str))             // 需要加密的字符串
+	return hex.EncodeToString(h.Sum(nil)) // 输出加密结果
+
+}
+
+/**
+ * 验证签名
+ */
+func CheckSign(sign_str, data, salt string) bool {
+	sign := Sign(data, salt)
+	if strings.Compare(sign_str, sign) > -1 {
+		return true
+	}
+	return false
+}
+
+/**
+ * 解密
+ */
+func GetOrgData(res *Response) (string, error) {
+
+	res_data := res.GetData()
+
+	if res_data == "" {
+
+		return "", errors.New("未收到收据")
+	}
+
+	time_int64, err := strconv.ParseInt(res.GetTime(), 10, 64)
+	if err != nil {
+		return "", err
+	}
+
+	now_int64 := time.Now().Unix()
+
+	if now_int64-time_int64 > 10 || time_int64-now_int64 > 10 {
+		//时间误差前后10秒，返回
+		return "", errors.New("返回时间错误")
+	}
+
+	check_sign := CheckSign(res.GetSign(), res_data, res.GetTime())
+	if !check_sign {
+		return "", errors.New("返回数据签名错误")
+	}
+
+	//解密
+	res_data_de := crypter.DesDe(res_data, DES_KEY)
+
+	return res_data_de, nil
+}
diff --git a/supplier.pb.go b/supplier.pb.go
index d455077..c3f89c8 100644
--- a/supplier.pb.go
+++ b/supplier.pb.go
@@ -9,10 +9,8 @@ It is generated from these files:
 	supplier.proto
 
 It has these top-level messages:
-	GetRequest
-	GetUuidRequest
-	GetResponse
-	BoolResponse
+	Request
+	Response
 */
 package supplierrpc
 
@@ -30,96 +28,79 @@ import protorpc "github.com/chai2010/protorpc"
 var _ = proto.Marshal
 var _ = math.Inf
 
-// 使用key查询
-type GetRequest struct {
-	Dbname           *string `protobuf:"bytes,1,opt,name=dbname" json:"dbname,omitempty"`
-	Id               *string `protobuf:"bytes,2,opt,name=id" json:"id,omitempty"`
+// 配置信息请求结构
+type Request struct {
+	Data             *string `protobuf:"bytes,1,opt,name=data" json:"data,omitempty"`
+	Time             *string `protobuf:"bytes,2,opt,name=time" json:"time,omitempty"`
+	Sign             *string `protobuf:"bytes,3,opt,name=sign" json:"sign,omitempty"`
 	XXX_unrecognized []byte  `json:"-"`
 }
 
-func (m *GetRequest) Reset()         { *m = GetRequest{} }
-func (m *GetRequest) String() string { return proto.CompactTextString(m) }
-func (*GetRequest) ProtoMessage()    {}
+func (m *Request) Reset()         { *m = Request{} }
+func (m *Request) String() string { return proto.CompactTextString(m) }
+func (*Request) ProtoMessage()    {}
 
-func (m *GetRequest) GetDbname() string {
-	if m != nil && m.Dbname != nil {
-		return *m.Dbname
+func (m *Request) GetData() string {
+	if m != nil && m.Data != nil {
+		return *m.Data
 	}
 	return ""
 }
 
-func (m *GetRequest) GetId() string {
-	if m != nil && m.Id != nil {
-		return *m.Id
+func (m *Request) GetTime() string {
+	if m != nil && m.Time != nil {
+		return *m.Time
 	}
 	return ""
 }
 
-type GetUuidRequest struct {
-	Dbname           *string `protobuf:"bytes,1,opt,name=dbname" json:"dbname,omitempty"`
-	Uuid             *string `protobuf:"bytes,2,opt,name=uuid" json:"uuid,omitempty"`
-	XXX_unrecognized []byte  `json:"-"`
-}
-
-func (m *GetUuidRequest) Reset()         { *m = GetUuidRequest{} }
-func (m *GetUuidRequest) String() string { return proto.CompactTextString(m) }
-func (*GetUuidRequest) ProtoMessage()    {}
-
-func (m *GetUuidRequest) GetDbname() string {
-	if m != nil && m.Dbname != nil {
-		return *m.Dbname
-	}
-	return ""
-}
-
-func (m *GetUuidRequest) GetUuid() string {
-	if m != nil && m.Uuid != nil {
-		return *m.Uuid
+func (m *Request) GetSign() string {
+	if m != nil && m.Sign != nil {
+		return *m.Sign
 	}
 	return ""
 }
 
-// 使用key查询响应结构
-type GetResponse struct {
-	Value            []byte `protobuf:"bytes,1,opt,name=value" json:"value,omitempty"`
-	XXX_unrecognized []byte `json:"-"`
+// 配置信息响应结构
+type Response struct {
+	Data             *string `protobuf:"bytes,1,opt,name=data" json:"data,omitempty"`
+	Time             *string `protobuf:"bytes,2,opt,name=time" json:"time,omitempty"`
+	Sign             *string `protobuf:"bytes,3,opt,name=sign" json:"sign,omitempty"`
+	XXX_unrecognized []byte  `json:"-"`
 }
 
-func (m *GetResponse) Reset()         { *m = GetResponse{} }
-func (m *GetResponse) String() string { return proto.CompactTextString(m) }
-func (*GetResponse) ProtoMessage()    {}
+func (m *Response) Reset()         { *m = Response{} }
+func (m *Response) String() string { return proto.CompactTextString(m) }
+func (*Response) ProtoMessage()    {}
 
-func (m *GetResponse) GetValue() []byte {
-	if m != nil {
-		return m.Value
+func (m *Response) GetData() string {
+	if m != nil && m.Data != nil {
+		return *m.Data
 	}
-	return nil
+	return ""
 }
 
-// 使用key查询响应结构
-type BoolResponse struct {
-	Value            *bool  `protobuf:"varint,1,opt,name=value" json:"value,omitempty"`
-	XXX_unrecognized []byte `json:"-"`
+func (m *Response) GetTime() string {
+	if m != nil && m.Time != nil {
+		return *m.Time
+	}
+	return ""
 }
 
-func (m *BoolResponse) Reset()         { *m = BoolResponse{} }
-func (m *BoolResponse) String() string { return proto.CompactTextString(m) }
-func (*BoolResponse) ProtoMessage()    {}
-
-func (m *BoolResponse) GetValue() bool {
-	if m != nil && m.Value != nil {
-		return *m.Value
+func (m *Response) GetSign() string {
+	if m != nil && m.Sign != nil {
+		return *m.Sign
 	}
-	return false
+	return ""
 }
 
 func init() {
 }
 
 type SupplierService interface {
-	Get(in *GetRequest, out *GetResponse) error
-	GetByUuid(in *GetUuidRequest, out *GetResponse) error
-	IsOpen(in *GetRequest, out *BoolResponse) error
+	Get(in *Request, out *Response) error
+	GetByUuid(in *Request, out *Response) error
+	IsOpen(in *Request, out *Response) error
 }
 
 // AcceptSupplierServiceClient accepts connections on the listener and serves requests
@@ -191,13 +172,13 @@ func NewSupplierServiceClient(conn io.ReadWriteCloser) (*SupplierServiceClient,
 	return &SupplierServiceClient{c}, c
 }
 
-func (c *SupplierServiceClient) Get(in *GetRequest, out *GetResponse) error {
+func (c *SupplierServiceClient) Get(in *Request, out *Response) error {
 	return c.Call("SupplierService.Get", in, out)
 }
-func (c *SupplierServiceClient) GetByUuid(in *GetUuidRequest, out *GetResponse) error {
+func (c *SupplierServiceClient) GetByUuid(in *Request, out *Response) error {
 	return c.Call("SupplierService.GetByUuid", in, out)
 }
-func (c *SupplierServiceClient) IsOpen(in *GetRequest, out *BoolResponse) error {
+func (c *SupplierServiceClient) IsOpen(in *Request, out *Response) error {
 	return c.Call("SupplierService.IsOpen", in, out)
 }
 
diff --git a/supplier.proto b/supplier.proto
index 68266ce..6714836 100644
--- a/supplier.proto
+++ b/supplier.proto
@@ -1,30 +1,23 @@
 syntax = "proto3";
 package supplierrpc;
 
-// 使用key查询
-message GetRequest {
-	string dbname = 1;
-	string id = 2;
+// 配置信息请求结构
+message Request {
+	string data = 1;
+	string time = 2;
+    string sign = 3;
 }
 
-message GetUuidRequest {
-	string dbname = 1;
-	string uuid = 2;
-}
-
-// 使用key查询响应结构
-message GetResponse {
-    bytes value = 1;
-}
-
-// 使用key查询响应结构
-message BoolResponse {
-    bool value = 1;
+// 配置信息响应结构
+message Response {
+	string data = 1;
+    string time = 2;
+    string sign = 3;
 }
 
 // rpc方法
 service SupplierService {
-    rpc Get (GetRequest) returns (GetResponse);    // 使用id查询
-    rpc GetByUuid (GetUuidRequest) returns (GetResponse);    // 使用uuid查询
-    rpc IsOpen (GetRequest) returns (BoolResponse);    // 是否营业中
+    rpc Get (Request) returns (Response);    // 使用id查询
+    rpc GetByUuid (Request) returns (Response);    // 使用uuid查询
+    rpc IsOpen (Request) returns (Response);    // 是否营业中
 }
\ No newline at end of file