diff --git a/pkg/internal/models/posts.go b/pkg/internal/models/posts.go
index 15d28c1..bceb22d 100644
--- a/pkg/internal/models/posts.go
+++ b/pkg/internal/models/posts.go
@@ -28,6 +28,7 @@ type Post struct {
 	RepostTo   *Post             `json:"repost_to" gorm:"foreignKey:RepostID"`
 	Realm      *Realm            `json:"realm"`
 
+	EditedAt *time.Time `json:"edited_at"`
 	PinnedAt *time.Time `json:"pinned_at"`
 
 	IsDraft        bool       `json:"is_draft"`
diff --git a/pkg/internal/services/posts.go b/pkg/internal/services/posts.go
index bfd7346..6381440 100644
--- a/pkg/internal/services/posts.go
+++ b/pkg/internal/services/posts.go
@@ -226,6 +226,8 @@ func NewPost(user models.Account, item models.Post) (models.Post, error) {
 		}
 	}
 
+	item.EditedAt = lo.ToPtr(time.Now())
+
 	if err := database.C.Save(&item).Error; err != nil {
 		return item, err
 	}