[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 #614

	name: golangci-lint
	on:
	push:
	tags:
	- v*
	branches:
	- master
	pull_request:
	jobs:
	golangci:
	name: lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: golangci-lint
	uses: golangci/golangci-lint-action@v2
	with:
	version: v1.55.2
	args: --enable gofmt,gocyclo,goimports,dupl,gosec --timeout 5m --skip-dirs=examples,test --skip-files=.*_test.go$
	static-checks:
	runs-on: ubuntu-latest
	env:
	GO111MODULE: on
	steps:
	- name: Set up Go
	uses: actions/setup-go@v1
	with:
	go-version: 1.18
	id: go
	- name: Checkout Source
	uses: actions/checkout@v2
	- name: Fmt
	run: \|
	bash scripts/ci/formatChecker.sh
	- name: Misspell
	run: \|
	go get -u github.com/client9/misspell/cmd/misspell
	bash scripts/ci/formatChecker.sh
	- name: Lint
	run: \|
	go get -u golang.org/x/lint/golint
	bash scripts/ci/goLintChecker.sh
	- name: Cyclo
	run: \|
	go get github.com/fzipp/gocyclo
	bash scripts/ci/goCycloChecker.sh

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