fix

main.js

@@ -145,7 +145,7 @@ function Submit(req) {
         onData: callback, onError: errcb
     }).then(() => {
 
-        db.execute(("INSERT INTO instrunet_entry (uuid, song_name, album_name, link_to, databinary, artist,kind, albumcover, email) VALUES (?,?,?,?,?,?,?,?,?)"), [uuid, req.body.name, req.body.albumName, req.body.link, fs.readFileSync(kind_of[1]), req.body.artist, req.body.kind, albumCover, req.body.email])
+        db.execute(("INSERT INTO instrunet_entry (uuid, song_name, album_name, link_to, databinary, artist,kind, albumcover, email) VALUES (?,?,?,?,?,?,?,?,?)"), [uuid, req.body.name, req.body.albumName, req.body.link, fs.readFileSync(kind_of[1]), req.body.artist, req.body.kind, albumCover, req.body.email === null ? "" : req.body.email])
         db.unprepare()
         fs.rm(kind_of[1], (err) => {
             if (err) {