diff --git a/component/jwt.go b/component/jwt.go
index 5629e1e..e28cdac 100644
--- a/component/jwt.go
+++ b/component/jwt.go
@@ -68,7 +68,10 @@ func (JwtComponent) GenerateToken(userId, secret string, times ...time.Time) (to
 		return "", nil, errors.New("生成token失败")
 	}
 
-	client.Redis.Set(context.Background(), fmt.Sprintf("%s:%s", constant.UserToken, userId), token, 7*time.Hour)
+	client.Redis.Set(context.Background(),
+		fmt.Sprintf("%s:%s", constant.UserToken, userId),
+		token,
+		time.Duration(expireTime.Sub(time.Now()).Abs().Seconds())*time.Second)
 	return
 }
 
diff --git a/global/constant/redis_key.go b/global/constant/redis_key.go
index a96af7f..5f64905 100644
--- a/global/constant/redis_key.go
+++ b/global/constant/redis_key.go
@@ -1,6 +1,6 @@
 package constant
 
 const (
-	Captcha   = "captcha:"
-	UserToken = "token:"
+	Captcha   = "captcha"
+	UserToken = "token"
 )
diff --git a/http/middleware/authorization.go b/http/middleware/authorization.go
index a42bdb7..346a28f 100644
--- a/http/middleware/authorization.go
+++ b/http/middleware/authorization.go
@@ -65,7 +65,7 @@ func Authorization() gin.HandlerFunc {
 
 		// 生成一个新token
 		secret := component.JWT().GenerateSecret(user.Password, uuid.NewString(), time.Now().Local().String())
-		tokenStr, _, err := component.JWT().GenerateToken(user.Id, secret, userClaims.ExpiresAt.Time, userClaims.IssuedAt.Time)
+		tokenStr, _, err := component.JWT().GenerateToken(user.Id, secret, userClaims.ExpiresAt.Time, time.Now().Local())
 		if err != nil {
 			response.R(c).AuthorizationFailed("校验失败")
 			c.Abort()