diff --git a/biz/user.go b/biz/user.go
index 47a5243..a7940cc 100644
--- a/biz/user.go
+++ b/biz/user.go
@@ -79,7 +79,7 @@ func (s *UserAPIService) Register(ctx context.Context, req *pb.RegisterAndLoginR
 	}
 
 	if cfg.IsClose {
-		return nil, status.Errorf(codes.InvalidArgument, "网站已关闭，占时不允许注册")
+		return nil, status.Errorf(codes.InvalidArgument, "网站已关闭，暂时不允许注册")
 	}
 
 	if cfg.EnableCaptchaRegister && !captcha.VerifyCaptcha(req.CaptchaId, req.Captcha) {
diff --git a/model/document.go b/model/document.go
index bfc531e..6e77bc3 100644
--- a/model/document.go
+++ b/model/document.go
@@ -40,7 +40,7 @@ var DocumentStatusMap = map[int]struct{}{
 type Document struct {
 	Id            int64           `form:"id" json:"id,omitempty" gorm:"primaryKey;autoIncrement;column:id;comment:;"`
 	Title         string          `form:"title" json:"title,omitempty" gorm:"column:title;type:varchar(255);size:255;comment:文档名称;"`
-	Keywords      string          `form:"keywords" json:"keywords,omitempty" gorm:"column:keywords;type:varchar(128);size:128;comment:文档关键字;"`
+	Keywords      string          `form:"keywords" json:"keywords,omitempty" gorm:"column:keywords;type:varchar(255);size:255;comment:文档关键字;"`
 	Description   string          `form:"description" json:"description,omitempty" gorm:"column:description;type:varchar(255);size:255;comment:文档描述;"`
 	UserId        int64           `form:"user_id" json:"user_id,omitempty" gorm:"column:user_id;type:bigint(20);size:20;default:0;index:user_id;comment:文档所属用户ID;"`
 	Width         int             `form:"width" json:"width,omitempty" gorm:"column:width;type:int(11);size:11;default:0;comment:宽;"`