panic: runtime error: index out of range [0] with length 0 #21
Description
`cpu percent:[]%
mem percent:NaN%
load info:0.226 0.071 0.015
panic: runtime error: index out of range [0] with length 0
goroutine 22 [running]:
main.showStat()
D:/D2/Code/webBenchmark/main.go:158 +0x870
created by main.main
D:/D2/Code/webBenchmark/main.go:375 +0x1af`