I would suggest just deleting your 'config.json' file and then reloading the wallet.
Thanks for your reply bro. I will try your suggestion
Hope it works
It seems still the same result bro, it improves the speed a little bit at first and after a while it back to slow. I check the log again and there are somany errors again. Here is some of my logs result:
[2017-09-10 20:38:43.562941]: UDP Receive error: An existing connection was forcibly closed by the remote host
[2017-09-10 20:38:44.638036]: Requesting account xrb_14cpjmq4ywb1psuhqkge13nmbopab1hto7x3a6qdaggb15bh5hnmygoyfign down to 0000000000000000000000000000000000000000000000000000000000000000 from [::ffff:103.195.241.115]:7075
[2017-09-10 20:38:48.575306]: UDP Receive error: An existing connection was forcibly closed by the remote host
[2017-09-10 20:38:53.577201]: UDP Receive error: An existing connection was forcibly closed by the remote host
[2017-09-10 20:38:56.811463]: Requesting account xrb_14fj4i439ny1r4e31be7rn46en7c9ouxuw96kwkj6sruz5b8bwf13z388dsk down to 0000000000000000000000000000000000000000000000000000000000000000 from [::ffff:51.15.129.96]:7075
[2017-09-10 20:38:57.854056]: Disconnecting from [::ffff:45.32.116.254]:7075 because it didn't give us what we requested
[2017-09-10 20:38:58.633422]: UDP Receive error: An existing connection was forcibly closed by the remote host
[2017-09-10 20:39:03.634706]: UDP Receive error: An existing connection was forcibly closed by the remote host
[2017-09-10 20:39:08.636011]: UDP Receive error: An existing connection was forcibly closed by the remote host