diff --git a/storage/upload_model.go b/storage/upload_model.go
index f126bb7..ed5a1e7 100644
--- a/storage/upload_model.go
+++ b/storage/upload_model.go
@@ -13,8 +13,9 @@ var DB = db.DB
 const (
 	DBUploadSchema = `
 		CREATE TABLE IF NOT EXISTS "upload" (
-			"upload_id"	TEXT NOT NULL,
-			"path"	TEXT DEFAULT '',
+			upload_id	TEXT NOT NULL,
+			path	TEXT DEFAULT '',
+			status INTEGER DEFAULT 0,
 			PRIMARY KEY("upload_id")
 		);
 	`
@@ -22,6 +23,12 @@ const (
 	QNewUpload = `INSERT INTO upload (upload_id) VALUES (:upload_id)`
 )
 
+const (
+	UpNew = iota
+	UpWaitingPayment
+	UpReady
+)
+
 var (
 	ErrDoesNotExist  = errors.New("does not exist")
 	ErrAlreadyExists = errors.New("already exists")