[fix] 1,修复读写并发问题 2，修复search查询出错不返回err 3，解除健康检查对etcd的依赖 4，golang-lint问题修复 #577

	name: Merge check
	on: [push, pull_request]
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go
	uses: actions/setup-go@v1
	with:
	go-version: 1.18
	id: go
	- name: Check out code into the Go module directory
	uses: actions/checkout@v1
	- name: Build
	run: go build -v github.com/apache/servicecomb-kie/cmd/kieserver

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