MongoDB link failed mongo "exception: connect failed" - Codes Helper

the computer is a WIN 10 system
I follow this tutorial to install mongoDB,
http://www.runoob.com/mongodb.
but as soon as you enter the mongo link. Just report this error
has been reinstalled several times, but it has not been solved.
also changed dbpath is useless, ask God for help
this is the mongodb.log log,
2018-03-27T14:00:19.299+0800 I CONTROL  [main] ***** SERVER RESTARTED *****
2018-03-27T14:00:19.647+0800 I CONTROL  [main] Trying to start Windows service "MongoDB"
2018-03-27T14:00:19.648+0800 I CONTROL  [initandlisten] MongoDB starting : pid=10480 port=27017 dbpath=d:\mongodbData\db 64-bit host=DESKTOP-KEA31I3
2018-03-27T14:00:19.648+0800 I CONTROL  [initandlisten] targetMinOS: Windows 7/Windows Server 2008 R2
2018-03-27T14:00:19.648+0800 I CONTROL  [initandlisten] db version v3.6.3
2018-03-27T14:00:19.648+0800 I CONTROL  [initandlisten] git version: 9586e557d54ef70f9ca4b43c26892cd55257e1a5
2018-03-27T14:00:19.648+0800 I CONTROL  [initandlisten] OpenSSL version: OpenSSL 1.0.1u-fips  22 Sep 2016
2018-03-27T14:00:19.648+0800 I CONTROL  [initandlisten] allocator: tcmalloc
2018-03-27T14:00:19.648+0800 I CONTROL  [initandlisten] modules: none
2018-03-27T14:00:19.648+0800 I CONTROL  [initandlisten] build environment:
2018-03-27T14:00:19.649+0800 I CONTROL  [initandlisten]     distmod: 2008plus-ssl
2018-03-27T14:00:19.649+0800 I CONTROL  [initandlisten]     distarch: x86_64
2018-03-27T14:00:19.649+0800 I CONTROL  [initandlisten]     target_arch: x86_64
2018-03-27T14:00:19.649+0800 I CONTROL  [initandlisten] options: { service: true, storage: { dbPath: "d:\mongodbData\db" }, systemLog: { destination: "file", logAppend: true, path: "d:\mongodbData\log\mongodb.log" } }
2018-03-27T14:00:19.651+0800 I -        [initandlisten] Detected data files in d:\mongodbData\db created by the "wiredTiger" storage engine, so setting the active storage engine to "wiredTiger".
2018-03-27T14:00:19.651+0800 I STORAGE  [initandlisten] wiredtiger_open config: create,cache_size=7632M,session_max=20000,eviction=(threads_min=4,threads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),file_manager=(close_idle_time=100000),statistics_log=(wait=0),verbose=(recovery_progress),
2018-03-27T14:00:19.834+0800 I STORAGE  [initandlisten] WiredTiger message [1522130419:833660][10480:140722874245456], txn-recover: Main recovery loop: starting at 4/6272
2018-03-27T14:00:19.970+0800 I STORAGE  [initandlisten] WiredTiger message [1522130419:970024][10480:140722874245456], txn-recover: Recovering log 4 through 5
2018-03-27T14:00:20.046+0800 I STORAGE  [initandlisten] WiredTiger message [1522130420:46191][10480:140722874245456], txn-recover: Recovering log 5 through 5
2018-03-27T14:00:20.172+0800 I CONTROL  [initandlisten] 
2018-03-27T14:00:20.172+0800 I CONTROL  [initandlisten] ** WARNING: Access control is not enabled for the database.
2018-03-27T14:00:20.172+0800 I CONTROL  [initandlisten] **          Read and write access to data and configuration is unrestricted.
2018-03-27T14:00:20.172+0800 I CONTROL  [initandlisten] 
2018-03-27T14:00:20.173+0800 I CONTROL  [initandlisten] ** WARNING: This server is bound to localhost.
2018-03-27T14:00:20.173+0800 I CONTROL  [initandlisten] **          Remote systems will be unable to connect to this server. 
2018-03-27T14:00:20.173+0800 I CONTROL  [initandlisten] **          Start the server with --bind_ip <address> to specify which IP 
2018-03-27T14:00:20.173+0800 I CONTROL  [initandlisten] **          addresses it should serve responses from, or with --bind_ip_all to
2018-03-27T14:00:20.173+0800 I CONTROL  [initandlisten] **          bind to all interfaces. If this behavior is desired, start the
2018-03-27T14:00:20.173+0800 I CONTROL  [initandlisten] **          server with --bind_ip 127.0.0.1 to disable this warning.
2018-03-27T14:00:20.173+0800 I CONTROL  [initandlisten] 
2018-03-27T14:00:20.173+0800 I CONTROL  [initandlisten] 
2018-03-27T14:00:20.173+0800 I CONTROL  [initandlisten] ** WARNING: The file system cache of this machine is configured to be greater than 40% of the total memory. This can lead to increased memory pressure and poor performance.
2018-03-27T14:00:20.174+0800 I CONTROL  [initandlisten] See http://dochub.mongodb.org/core/wt-windows-system-file-cache
2018-03-27T14:00:20.174+0800 I CONTROL  [initandlisten] 
2018-03-27T14:00:20.402+0800 I FTDC     [initandlisten] Initializing full-time diagnostic data capture with directory "d:/mongodbData/db/diagnostic.data"
2018-03-27T14:00:20.404+0800 I NETWORK  [initandlisten] waiting for connections on port 27017
2018-03-27T14:00:20.404+0800 I STORAGE  [initandlisten] Service running