diff --git a/crypto/encipher/encipher.go b/crypto/encipher/encipher.go
index c14c028..024c8c1 100644
--- a/crypto/encipher/encipher.go
+++ b/crypto/encipher/encipher.go
@@ -28,7 +28,7 @@ func New(secret string) {
 
 func GenerateTokenAes(id uint, identity, client, role string, owner any, extend map[string]string) (string, error) {
 	if !(JwtSecretLen == 16 || JwtSecretLen == 24 || JwtSecretLen == 32) {
-		return "", errcode.ErrJWTSecretKey
+		return "", errcode.ErrTokenSecretKey
 	}
 	expireTime := time.Now().Add(vars.JwtExpire)
 	claims := types.JwtClaims{
@@ -43,7 +43,7 @@ func GenerateTokenAes(id uint, identity, client, role string, owner any, extend
 
 	byte, err := json.Marshal(claims)
 	if err != nil {
-		return "", errcode.ErrJWTJsonEncode
+		return "", errcode.ErrTokenJsonEncode
 	}
 
 	token, err := AesEncryptCBC(byte)
@@ -59,7 +59,7 @@ func AesEncryptCBC(plan []byte) (string, error) {
 	// NewCipher该函数限制了输入k的长度必须为16, 24或者32
 	block, err := aes.NewCipher(JwtSecret)
 	if err != nil {
-		return "", errcode.ErrJWTSecretKey
+		return "", errcode.ErrTokenSecretKey
 	}
 	// 获取秘钥块的长度
 	blockSize := block.BlockSize()
@@ -76,17 +76,17 @@ func AesEncryptCBC(plan []byte) (string, error) {
 
 func AesDecryptCBC(cryted string) (b []byte, err error) {
 	if (JwtSecretLen == 16 || JwtSecretLen == 24 || JwtSecretLen == 32) == false {
-		return nil, errcode.ErrJWTSecretKey
+		return nil, errcode.ErrTokenSecretKey
 	}
 	// 转成字节数组
 	crytedByte, err := base64.StdEncoding.DecodeString(cryted)
 	if err != nil {
-		return nil, errcode.ErrJWTBase64Decode
+		return nil, errcode.ErrTokenBase64Decode
 	}
 	// 分组秘钥
 	block, err := aes.NewCipher(JwtSecret)
 	if err != nil {
-		return nil, errcode.ErrJWTSecretKey
+		return nil, errcode.ErrTokenSecretKey
 	}
 	// 获取秘钥块的长度
 	blockSize := block.BlockSize()
@@ -99,7 +99,7 @@ func AesDecryptCBC(cryted string) (b []byte, err error) {
 	// 去补全码
 	orig = PKCS7UnPadding(orig, blockSize)
 	if orig == nil {
-		return nil, errcode.ErrJWTAuthParseFail
+		return nil, errcode.ErrTokenAuthParseFail
 	}
 	return orig, nil
 }
@@ -152,12 +152,12 @@ func ParseTokenAes(token string) (*types.JwtClaims, error) {
 	var ac *types.JwtClaims
 	err = json.Unmarshal(data, &ac)
 	if err != nil {
-		return nil, errcode.ErrJWTAuthParseFail
+		return nil, errcode.ErrTokenAuthParseFail
 	}
 
 	expireTime := time.Now().Unix()
 	if expireTime > ac.ExpiresAt {
-		return nil, errcode.ErrJWTAuthExpire
+		return nil, errcode.ErrTokenAuthExpire
 	}
 
 	return ac, nil
diff --git a/crypto/token/jwt.go b/crypto/token/jwt.go
new file mode 100644
index 0000000..cf46001
--- /dev/null
+++ b/crypto/token/jwt.go
@@ -0,0 +1,95 @@
+package token
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"strings"
+	"time"
+
+	"git.apinb.com/bsm-sdk/core/errcode"
+	"git.apinb.com/bsm-sdk/core/vars"
+	"github.com/golang-jwt/jwt/v5"
+)
+
+type Claims struct {
+	ID                   uint              `json:"id"`
+	Identity             string            `json:"identity"`
+	Extend               map[string]string `json:"extend"`
+	Client               string            `json:"client"`
+	Owner                any               `json:"owner"`
+	Role                 string            `json:"role"`
+	jwt.RegisteredClaims                   // v5版本新加的方法
+}
+
+type tokenJwt struct {
+	SecretKey string
+}
+
+func New(secretKey string) *tokenJwt {
+	return &tokenJwt{SecretKey: secretKey}
+}
+
+// 生成JWT
+func (t *tokenJwt) GenerateJwt(id uint, identity, client, role string, owner any, extend map[string]string) (string, error) {
+	keyLen := len(t.SecretKey)
+	if !(keyLen == 16 || keyLen == 24 || keyLen == 32) {
+		return "", errcode.ErrTokenSecretKey
+	}
+
+	now := time.Now()
+
+	claims := Claims{
+		ID:       id,
+		Identity: identity,
+		Client:   client,
+		Extend:   extend,
+		Owner:    owner,
+		Role:     role,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(now.Add(vars.JwtExpire)), // 过期时间24小时
+			IssuedAt:  jwt.NewNumericDate(now),                     // 签发时间
+			NotBefore: jwt.NewNumericDate(now),                     // 生效时间
+		},
+	}
+	// 使用HS256签名算法
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	s, err := token.SignedString([]byte(t.SecretKey))
+	return s, errcode.String(errcode.ErrTokenGenerate, err.Error())
+}
+
+// 解析JWT
+func (t *tokenJwt) ParseJwt(tokenstring string) (*Claims, error) {
+	token, err := jwt.ParseWithClaims(tokenstring, &Claims{}, func(token *jwt.Token) (interface{}, error) {
+		return []byte(t.SecretKey), nil
+	})
+	if claims, ok := token.Claims.(*Claims); ok && token.Valid {
+		return claims, nil
+	} else {
+		return nil, errcode.String(errcode.ErrTokenParse, err.Error())
+	}
+}
+
+// 验证JWT是否过期
+func (t *tokenJwt) IsExpired(tokenstring string) (bool, error) {
+	// 分割JWT的三个部分
+	parts := strings.Split(tokenstring, ".")
+	if len(parts) != 3 {
+		return false, errcode.ErrTokenDataInvalid
+	}
+
+	// 解码Payload部分
+	payload, err := base64.RawURLEncoding.DecodeString(parts[1])
+	if err != nil {
+		return false, errcode.String(errcode.ErrTokenBase64Decode, err.Error())
+	}
+
+	// 解析JSON
+	var claims jwt.RegisteredClaims
+	if err := json.Unmarshal(payload, &claims); err != nil {
+		return false, errcode.String(errcode.ErrTokenJsonDecode, err.Error())
+	}
+
+	// 检查过期时间
+	currentTime := time.Now().Unix()
+	return claims.ExpiresAt.Unix() < currentTime, nil
+}
diff --git a/errcode/errcode.go b/errcode/errcode.go
index 3eedd97..869265b 100644
--- a/errcode/errcode.go
+++ b/errcode/errcode.go
@@ -3,8 +3,6 @@
 package errcode
 
 import (
-	"strings"
-
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
@@ -33,18 +31,22 @@ var (
 	ErrRecordNotFound  = NewError(1112, "Record Not Found")        // 记录未找到
 )
 
-// JWT认证相关错误码，起始码:1300
+// Token认证相关错误码，起始码:1300
 var (
-	ErrJWTAuthNotFound     = NewError(1301, "JWT Authorization Not Found")           // JWT授权未找到
-	ErrJWTBase64Decode     = NewError(1302, "JWT Authorization Base64 Decode Error") // JWT Base64解码错误
-	ErrJWTAuthParseFail    = NewError(1303, "JWT Authorization Fail")                // JWT授权解析失败
-	ErrJWTAuthKeyId        = NewError(1304, "JWT Key:Id Incorrect")                  // JWT密钥ID错误
-	ErrJWTAuthKeyIdentity  = NewError(1305, "JWT Key:Identity Incorrect")            // JWT密钥身份错误
-	ErrJWTAuthTokenChanged = NewError(1306, "JWT Authorization Changed")             // JWT授权已变更
-	ErrJWTAuthExpire       = NewError(1307, "JWT Authorization Expire")              // JWT授权已过期
-	ErrJWTJsonDecode       = NewError(1308, "JWT Authorization JSON Decode Error")   // JWT JSON解码错误
-	ErrJWTJsonEncode       = NewError(1309, "JWT Authorization JSON Encode Error")   // JWT JSON编码错误
-	ErrJWTSecretKey        = NewError(1310, "JWT SecretKey Error")                   // JWT密钥错误
+	ErrTokenAuthNotFound      = NewError(1301, "Token Authorization Not Found")           // Token授权未找到
+	ErrTokenDataInvalid       = NewError(1302, "Token Authorization Data Invalid")        // Token授权数据无效
+	ErrTokenBase64Decode      = NewError(1303, "Token Authorization Base64 Decode Error") // Token Base64解码错误
+	ErrTokenAuthParseFail     = NewError(1304, "Token Authorization Fail")                // Token授权解析失败
+	ErrTokenAuthKeyId         = NewError(1305, "Token Key:Id Incorrect")                  // Token密钥ID错误
+	ErrTokenAuthKeyIdentity   = NewError(1306, "Token Key:Identity Incorrect")            // Token密钥身份错误
+	ErrTokenAuthTokenChanged  = NewError(1307, "Token Authorization Changed")             // Token授权已变更
+	ErrTokenAuthExpire        = NewError(1308, "Token Authorization Expire")              // Token授权已过期
+	ErrTokenJsonDecode        = NewError(1309, "Token Authorization JSON Decode Error")   // Token JSON解码错误
+	ErrTokenJsonEncode        = NewError(1310, "Token Authorization JSON Encode Error")   // Token JSON编码错误
+	ErrTokenSecretKey         = NewError(1311, "Token SecretKey Error")                   // Token密钥错误
+	ErrTokenSecretKeyNotFound = NewError(1312, "Token SecretKey Not Found")               // Token密钥未找到
+	ErrTokenGenerate          = NewError(1313, "Generate Token Fail")                     // 生成令牌失败
+	ErrTokenParse             = NewError(1314, "Parse Token Fail")                        // 解析令牌失败
 )
 
 // 基础设施相关错误码，起始码:1500
@@ -98,6 +100,15 @@ func ErrFatal(code int, msg string) error {
 // code: 错误码
 // msg: 错误消息，会自动转换为大写
 func ErrNotFound(code int, msg string) error {
-	AllErrors[code] = strings.ToUpper(msg)
-	return status.New(codes.Code(code), strings.ToUpper(msg)).Err()
+	AllErrors[code] = msg
+	return status.New(codes.Code(code), msg).Err()
+}
+
+// IsErr 检查错误是否与指定的错误匹配
+func IsErr(err, target error) bool {
+	return status.Code(err) == status.Code(target)
+}
+
+func String(err error, msg string) error {
+	return status.New(status.Code(err), err.Error()+", "+msg).Err()
 }
diff --git a/middleware/jwt.go b/middleware/jwt.go
index b8fbd03..00201a2 100644
--- a/middleware/jwt.go
+++ b/middleware/jwt.go
@@ -60,8 +60,8 @@ func JwtAuth(time_verify bool) gin.HandlerFunc {
 func ParseAuth(c *gin.Context) (*types.JwtClaims, error) {
 	claims, ok := c.Get("Auth")
 	if !ok {
-		log.Printf("获取登录信息异常: %v", errcode.ErrJWTAuthNotFound)
-		return nil, errcode.ErrJWTAuthNotFound
+		log.Printf("获取登录信息异常: %v", errcode.ErrTokenAuthNotFound)
+		return nil, errcode.ErrTokenAuthNotFound
 	}
 
 	json_claims, err := json.Marshal(claims)
diff --git a/service/meta.go b/service/meta.go
index 3a3abca..8f7e1c3 100644
--- a/service/meta.go
+++ b/service/meta.go
@@ -20,12 +20,12 @@ func ParseMetaCtx(ctx context.Context, opts *ParseOptions) (*types.JwtClaims, er
 	// 解析metada中的信息并验证
 	md, ok := metadata.FromIncomingContext(ctx)
 	if !ok {
-		return nil, errcode.ErrJWTAuthNotFound
+		return nil, errcode.ErrTokenAuthNotFound
 	}
 
 	var Authorizations []string = md.Get("authorization")
 	if len(Authorizations) == 0 || Authorizations[0] == "" {
-		return nil, errcode.ErrJWTAuthNotFound
+		return nil, errcode.ErrTokenAuthNotFound
 	}
 
 	claims, err := encipher.ParseTokenAes(Authorizations[0])