Why the mining will not succeed, has been such a state, has been in operation for more than a day

My system is Windows 7 X64

ransactions from network on block 4013269
291939ms th_a witness.cpp:430 on_applied_block ] hash ra
te: 82970 hps target: 32 queue: 113 estimated time to produce: 862 minutes
294684ms th_a witness.cpp:430 on_applied_block ] hash ra
te: 82878 hps target: 32 queue: 113 estimated time to produce: 863 minutes
294684ms th_a application.cpp:439 handle_block ] Got 1 t
ransactions from network on block 4013271
297524ms th_a witness.cpp:430 on_applied_block ] hash ra
te: 83110 hps target: 32 queue: 113 estimated time to produce: 861 minutes
297524ms th_a application.cpp:439 handle_block ] Got 1 t
ransactions from network on block 4013272

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My profile content:

rpc-endpoint = 127.0.0.1:8090

Endpoint for P2P node to listen on

p2p-endpoint =

Maxmimum number of incoming connections on P2P endpoint

p2p-max-connections =

P2P nodes to connect to on startup (may specify multiple times)

seed-node = 85.214.65.220:2001

seed-node = 52.38.66.234:2001
seed-node = 52.37.169.52:2001
seed-node = 52.26.78.244:2001
seed-node = 192.99.4.226:2001
seed-node = 46.252.27.1:1337
seed-node = 81.89.101.133:2001
seed-node = 52.4.250.181:39705
seed-node = steemd.pharesim.me:2001
seed-node = seed.steemed.net:2001
seed-node = steem.clawmap.com:2001
seed-node = seed.steemwitness.com:2001
seed-node = steem-seed1.abit-more.com:200

Pairs of [BLOCK_NUM,BLOCK_ID] that should be enforced as checkpoints.

checkpoint =

Endpoint for websocket RPC to listen on

rpc-endpoint =

Endpoint for TLS websocket RPC to listen on

rpc-tls-endpoint =

The TLS certificate file for this server

server-pem =

Password for this certificate

server-pem-password =

Block signing key to use for init witnesses, overrides genesis file

dbg-init-key =

API user specification, may be specified multiple times

api-user =

Set an API to be publicly available, may be specified multiple times

public-api = database_api login_api

Plugin(s) to enable, may be specified multiple times

enable-plugin = witness account_history

Defines a range of accounts to track as a json pair ["from","to"] [from,to)

track-account-range =

RPC endpoint of a trusted validating node (required)

trusted-node =

Track market history by grouping orders into buckets of equal size measured in seconds specified as a JSON array of numbers

bucket-size = [15,60,300,3600,86400]

How far back in time to track history for each bucket size, measured in the number of buckets (default: 5760)

history-per-size = 5760

Defines a range of accounts to private messages to/from as a json pair ["from","to"] [from,to)

pm-account-range =

Enable block production, even if the chain is stale.

enable-stale-production = false

Percent of witnesses (0-99) that must be participating in order to produce blocks

required-participation = false

name of witness controlled by this node (e.g. initwitness )

witness = "XXXXXX"

#name of miner and its private key (e.g. ["XXXXX","5KXXXXXXXXXXXXXXXXXXXXX"] )
miner =["XXXXXX","5KXXXXXXXXXXXXXXXXXXXXXXX"]

Number of threads to use for proof of work mining

mining-threads = 30

WIF PRIVATE KEY to be used by one or more witnesses or miners

private-key =

Account creation fee to be voted on upon successful POW - Minimum fee is 100.000 STEEM (written as 100000)

miner-account-creation-fee =

Maximum block size (in bytes) to be voted on upon successful POW - Max block size must be between 128 KB and 750 MB

miner-maximum-block-size =

SBD interest rate to be vote on upon successful POW - Default interest rate is 10% (written as 1000)

Why the mining will not succeed?