Fix: rand seeding error / Test: conf/version and util

pkg/util/common.go

@@ -2,14 +2,12 @@ package util
 
 import (
 	"math/rand"
-	"time"
 )
 
 // RandStringRunes 返回随机字符串
 func RandStringRunes(n int) string {
 	var letterRunes = []rune("1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
 
-	rand.Seed(time.Now().UnixNano())
 	b := make([]rune, n)
 	for i := range b {
 		b[i] = letterRunes[rand.Intn(len(letterRunes))]