优化

internal/data/announcement.go

@@ -17,7 +17,7 @@ type announcementPO struct {
 	DeletedAt   gorm.DeletedAt `gorm:"index"`
 	Title       string
 	Content     string `gorm:"type:text"`
-	UserID      *uint  `gorm:"column:user_id"`
+	UserID      *int   `gorm:"column:user_id"`
 	Attachments jsonPO
 }