ESP8266启动有时没有115200波特率的数据

esp8266启动偶尔没有115200波特率的数据，是什么情况？
附上76800启动数据
ets Jan  8 2013,rst cause:2, boot mode3,6)
load 0x40100000, len 1856, room 16
tail 0
chksum 0x63
load 0x3ffe8000, len 776, room 8
tail 0
chksum 0x02
load 0x3ffe8310, len 552, room 8
tail 0
chksum 0x79
csum 0x79
2nd boot version : 1.5
  SPI Speed      : 40MHz
  SPI Mode       : DIO
  SPI Flash Size & Map: 8Mbit(512KB+512KB)
jump to run user1 @ 1000
rf cal sector: 249
rf[112] : 00
rf[113] : 00
rf[114] : 01
SDK ver: file:///C:UsersadminnnAppDataLocalTemp%W@GJ$ACOF(TYDYECOKVDYB.png1.5.4.1
(39cb9a32) compiled @ Jul  1 2016 20:04:35
phy ver: 972, pp ver: 10.1
mode : sta(68:c6:3a:a1:f1:7a)
add if0
scandone
state: 0 -> 2 (b0)
state: 2 -> 2 (8a0)
state: 2 -> 0 (2)
reconnect
scandone
state: 0 -> 2 (b0)
state: 2 -> 3 (0)
state: 3 -> 5 (10)
add 0
aid 16
cnt
connected with yuefengshou, channel 6
dhcp client start...
ip:file:///C:UsersadminnnAppDataLocalTemp%W@GJ$ACOF(TYDYECOKVDYB.png192.168.0.174
,mask:file:///C:UsersadminnnAppDataLocalTemp%W@GJ$ACOF(TYDYECOKVDYB.png255.255.255.0
,gw:file:///C:UsersadminnnAppDataLocalTemp%W@GJ$ACOF(TYDYECOKVDYB.png192.168.0.1
求助各位大神