Execute the following commands：

[shujuguan@app-server bin]${color:#de350b} ./mongod --storageEngine wiredTiger --auth --dbpath /data/mongo_data/mongodb/ --repair
2018-10-24T15:50:35.305+0800 I STORAGE [initandlisten] wiredtiger_open config: create,cache_size=11G,session_max=20000,eviction=(threads_max=4),statistics=(fast),file_manager=(close_idle_time=100000),checkpoint=(wait=60,log_size=2GB),statistics_log=(wait=0),
2018-10-24T15:50:35.399+0800 I - [initandlisten] Assertion: 28595:-31803: WT_NOTFOUND: item not found
2018-10-24T15:50:35.399+0800 I STORAGE [initandlisten] exception in initAndListen: 28595 -31803: WT_NOTFOUND: item not found, terminating
2018-10-24T15:50:35.399+0800 I CONTROL [initandlisten] dbexit: rc: 100

Welcome to God for help.