出现 ERROR! rb_in slow!!! 怎解决

[tomliu]

出现 error 怎解决，日志如下：
Initial ONE-MIC auido front-end for speech recognition, mode:1, (Dec 10 2021 20:29:24)
W (3475) wifi:scan number is 0
I (3475) mesh: [SCAN][ch:13]AP:0, other(ID:0, RD:0), MAP:0, idle:0, candidate:0, root:0, topMAP:0[c:0,i:0][00:00:00:00:00:00][FIXED-ROOT]<>
I (3485) mesh: [FAIL][2]root:0, fail:2, normal:0

W (3785) wifi:scan number is 0
I (3785) mesh: [SCAN][ch:13]AP:0, other(ID:0, RD:0), MAP:0, idle:0, candidate:0, root:0, topMAP:0[c:0,i:0][00:00:00:00:00:00][FIXED-ROOT]<>
I (3795) mesh: [FAIL][3]root:0, fail:3, normal:0

ERROR! rb_in slow!!!
ERROR! rb_in slow!!!
ERROR! rb_in slow!!!