diff --git a/service/user.go b/service/user.go
index 538ddd1..83cc44c 100644
--- a/service/user.go
+++ b/service/user.go
@@ -30,14 +30,14 @@ func (u _UserService) ProcessEnterpriseUserLogin(username, password string) (*mo
 		return nil, exceptions.NewAuthenticationError(404, "用户不存在。")
 	}
 	if user.Type != 0 {
-		return nil, exceptions.NewAuthenticationError(401, "用户类型不正确。")
+		return nil, exceptions.NewAuthenticationError(400, "用户类型不正确。")
 	}
 	if !user.Enabled {
-		return nil, exceptions.NewAuthenticationError(401, "用户已被禁用。")
+		return nil, exceptions.NewAuthenticationError(403, "用户已被禁用。")
 	}
 	hashedPassword := utils.Sha512Hex(password)
 	if hashedPassword != user.Password {
-		return nil, exceptions.NewAuthenticationError(401, "用户凭据不正确。")
+		return nil, exceptions.NewAuthenticationError(402, "用户凭据不正确。")
 	}
 	if user.ResetNeeded {
 		authErr := exceptions.NewAuthenticationError(401, "用户凭据已失效。")
@@ -46,7 +46,7 @@ func (u _UserService) ProcessEnterpriseUserLogin(username, password string) (*mo
 	}
 	userDetial, _ := u.retreiveUserDetail(user.Id)
 	if userDetial.ServiceExpiration.Before(time.Now()) {
-		return nil, exceptions.NewAuthenticationError(401, "用户服务期限已过。")
+		return nil, exceptions.NewAuthenticationError(406, "用户服务期限已过。")
 	}
 	session := &model.Session{
 		Token:     uuid.New().String(),