diff --git a/service/meta.go b/service/meta.go
index d193ea5..73a3812 100644
--- a/service/meta.go
+++ b/service/meta.go
@@ -2,9 +2,8 @@ package service
 
 import (
 	"context"
-	"encoding/json"
-	"strconv"
 
+	"git.apinb.com/bsm-sdk/core/crypto/encipher"
 	"git.apinb.com/bsm-sdk/core/errcode"
 	"git.apinb.com/bsm-sdk/core/utils"
 	"google.golang.org/grpc/metadata"
@@ -15,6 +14,7 @@ type Meta struct {
 	IDENTITY string            `json:"identity"`
 	EXTEND   map[string]string `json:"extend"`
 	CLIENT   string            `json:"client"`
+	ROLE     string            `json:"role"`
 }
 
 // 解析Context中MetaData的数据
@@ -30,31 +30,28 @@ func ParseMetaCtx(ctx context.Context, opts *ParseOptions) (*Meta, error) {
 		return nil, errcode.ErrJWTAuthNotFound
 	}
 
-	// 安全获取 metadata 中的值
-	identityValues := md.Get("authorization_identity")
-	clientValues := md.Get("client")
-
-	if len(identityValues) == 0 {
+	var Authorizations []string = md.Get("authorization")
+	if len(Authorizations) == 0 || Authorizations[0] == "" {
 		return nil, errcode.ErrJWTAuthNotFound
 	}
+
+	claims, err := encipher.ParseTokenAes(Authorizations[0])
+	if err != nil {
+		return nil, err
+	}
+
+	clientValues := md.Get("client")
+
 	if len(clientValues) == 0 {
 		return nil, errcode.ErrJWTAuthNotFound
 	}
 
 	meta := &Meta{
-		IDENTITY: md["authorization_identity"][0],
+		ID:       claims.ID,
+		IDENTITY: claims.Identity,
 		CLIENT:   md["client"][0],
-	}
-
-	if id, err := strconv.Atoi(md["authorization_id"][0]); err != nil {
-		return nil, errcode.ErrJWTAuthKeyId
-	} else {
-		meta.ID = uint(id)
-	}
-
-	data := make(map[string]string)
-	if err := json.Unmarshal([]byte(md["authorization_extend"][0]), &data); err == nil {
-		meta.EXTEND = data
+		EXTEND:   claims.Extend,
+		ROLE:     claims.Role,
 	}
 
 	if opts != nil {