diff --git a/assets b/assets
index fb8ca79..397bf45 160000
--- a/assets
+++ b/assets
@@ -1 +1 @@
-Subproject commit fb8ca793edf7c928773a29bdc5ec451d80a82e5e
+Subproject commit 397bf4569cee2152d6663fc5dd2bcff4ea84a954
diff --git a/middleware/auth.go b/middleware/auth.go
index ca68f0e..fd0f143 100644
--- a/middleware/auth.go
+++ b/middleware/auth.go
@@ -35,7 +35,7 @@ func SignRequired() gin.HandlerFunc {
 		}
 
 		if err != nil {
-			c.JSON(200, serializer.Err(serializer.CodeCheckLogin, err.Error(), err))
+			c.JSON(200, serializer.Err(serializer.CodeCredentialInvalid, err.Error(), err))
 			c.Abort()
 			return
 		}
diff --git a/pkg/serializer/error.go b/pkg/serializer/error.go
index 6a2bae8..0191cee 100644
--- a/pkg/serializer/error.go
+++ b/pkg/serializer/error.go
@@ -52,6 +52,8 @@ const (
 	CodeNotFound = 404
 	// CodeUploadFailed 上传出错
 	CodeUploadFailed = 40002
+	// CodeCredentialInvalid 凭证无效
+	CodeCredentialInvalid = 40001
 	// CodeCreateFolderFailed 目录创建失败
 	CodeCreateFolderFailed = 40003
 	// CodeObjectExist 对象已存在
diff --git a/routers/controllers/user.go b/routers/controllers/user.go
index bbbf925..b710942 100644
--- a/routers/controllers/user.go
+++ b/routers/controllers/user.go
@@ -20,7 +20,7 @@ func StartLoginAuthn(c *gin.Context) {
 	userName := c.Param("username")
 	expectedUser, err := model.GetUserByEmail(userName)
 	if err != nil {
-		c.JSON(200, serializer.Err(401, "用户不存在", err))
+		c.JSON(200, serializer.Err(serializer.CodeNotFound, "用户不存在", err))
 		return
 	}
 
@@ -54,7 +54,7 @@ func FinishLoginAuthn(c *gin.Context) {
 	userName := c.Param("username")
 	expectedUser, err := model.GetUserByEmail(userName)
 	if err != nil {
-		c.JSON(200, serializer.Err(401, "用户邮箱或密码错误", err))
+		c.JSON(200, serializer.Err(serializer.CodeCredentialInvalid, "用户邮箱或密码错误", err))
 		return
 	}
 
@@ -72,7 +72,7 @@ func FinishLoginAuthn(c *gin.Context) {
 	_, err = instance.FinishLogin(expectedUser, sessionData, c.Request)
 
 	if err != nil {
-		c.JSON(200, serializer.Err(401, "登录验证失败", err))
+		c.JSON(200, serializer.Err(serializer.CodeCredentialInvalid, "登录验证失败", err))
 		return
 	}
 
diff --git a/service/user/login.go b/service/user/login.go
index 8854207..acea163 100644
--- a/service/user/login.go
+++ b/service/user/login.go
@@ -171,10 +171,10 @@ func (service *UserLoginService) Login(c *gin.Context) serializer.Response {
 
 	// 一系列校验
 	if err != nil {
-		return serializer.Err(401, "用户邮箱或密码错误", err)
+		return serializer.Err(serializer.CodeCredentialInvalid, "用户邮箱或密码错误", err)
 	}
 	if authOK, _ := expectedUser.CheckPassword(service.Password); !authOK {
-		return serializer.Err(401, "用户邮箱或密码错误", nil)
+		return serializer.Err(serializer.CodeCredentialInvalid, "用户邮箱或密码错误", nil)
 	}
 	if expectedUser.Status == model.Baned || expectedUser.Status == model.OveruseBaned {
 		return serializer.Err(403, "该账号已被封禁", nil)