I am use wt tool to repair a corrupted db, but wt salvage can't repair these errors:

2018-06-07T19:55:47.362+0300 E STORAGE [initandlisten] WiredTiger error (0) [1528390547:362459][1864:0x7f39ed4ed9c0], file:WiredTiger.wt, connection: read checksum error for 4096B block at offset 499712: block header checksum of 1026909540 doesn't match expected checksum of 2007672309
2018-06-07T19:55:47.362+0300 E STORAGE [initandlisten] WiredTiger error (0) [1528390547:362707][1864:0x7f39ed4ed9c0], file:WiredTiger.wt, connection: WiredTiger.wt: encountered an illegal file format or internal value: (__wt_block_read_off, 227)
2018-06-07T19:55:47.362+0300 E STORAGE [initandlisten] WiredTiger error (-31804) [1528390547:362726][1864:0x7f39ed4ed9c0], file:WiredTiger.wt, connection: the process must exit and restart: WT_PANIC: WiredTiger library panic
2018-06-07T19:55:47.362+0300 F - [initandlisten] Fatal Assertion 28558 at src/mongo/db/storage/wiredtiger/wiredtiger_util.cpp 361
2018-06-07T19:55:47.362+0300 F - [initandlisten]

***aborting after fassert() failure

I have attached WiredTiger.wt and WiredTiger.turtle. Any help would be appreciated.

Thanks,