diff --git a/models/article.go b/models/article.go
index 15898ad..86f98da 100644
--- a/models/article.go
+++ b/models/article.go
@@ -2,9 +2,11 @@ package models
 
 type Article struct {
 	Id       string           `gorm:"primaryKey" json:"id"`
-	Author   User             `json:"author"`
+	AuthorId string           `gorm:"index" json:"author_id"`
 	Title    string           `json:"title"`
 	Sections []ArticleSection `gorm:"serializer:json" json:"sections"`
+
+	Author User `gorm:"foreignKey:AuthorId" json:"author"`
 }
 
 type ArticleSection struct {