diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
new file mode 100644
index 0000000..474b2fc
--- /dev/null
+++ b/.github/workflows/lint.yaml
@@ -0,0 +1,40 @@
+name: libagent
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-18.04
+          - ubuntu-20.04
+          - ubuntu-22.04
+          - windows-2019
+          - windows-2022
+          - macos-10.15
+          - macos-11
+          - macos-12
+        go:
+          - '1.17'
+          - '1.18'
+          - '1.19'
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.go }}
+
+      - name: Lint
+        run: |
+          go install golang.org/x/lint/golint@latest
+          golint -set_exit_status ./...
+          go install github.com/gordonklaus/ineffassign@latest
+          ineffassign ./...
\ No newline at end of file
diff --git a/README.md b/README.md
index 6e30f70..d8c5eb0 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,7 @@
 # libagent
+
 agent封装类库，用于快速开发agent
+
+## 开发方式
+
+待补充
\ No newline at end of file
diff --git a/conf/rewrite.go b/conf/rewrite.go
index f589d86..e9c316b 100644
--- a/conf/rewrite.go
+++ b/conf/rewrite.go
@@ -12,6 +12,8 @@ import (
 	runtime "github.com/jkstack/jkframe/utils"
 )
 
+// RewriteServer rewrite server configure
+//   - use $... to set value by envionment variables
 func (cfg *Configure) RewriteServer() {
 	cfg.Server = strings.TrimSpace(cfg.Server)
 	if len(cfg.Server) == 0 {
@@ -28,6 +30,10 @@ func (cfg *Configure) RewriteServer() {
 	}
 }
 
+// RewriteID rewrite agent id configure
+//   - use $IP to set value by ip address in interface to connect server
+//   - use $HOSTNAME to set value by hostname
+//   - use $... to set value by envionment variables
 func (cfg *Configure) RewriteID() {
 	cfg.RewriteServer()
 	cfg.ID = strings.TrimSpace(cfg.ID)
@@ -58,6 +64,7 @@ func (cfg *Configure) RewriteID() {
 	logging.Info("now agent id is %s", cfg.ID)
 }
 
+// SetAgentID reset agent id by value
 func (cfg *Configure) SetAgentID(id string) {
 	cfg.ID = id
 }
diff --git a/limit/cgroups_test.go b/limit/cgroups_test.go
index 40bd06d..f1beef8 100644
--- a/limit/cgroups_test.go
+++ b/limit/cgroups_test.go
@@ -8,7 +8,7 @@ import (
 
 func TestCGroups(t *testing.T) {
 	var cfg Configure
-	cfg.CpuQuota = 100                          // 1core
+	cfg.CPUQuota = 100                          // 1core
 	cfg.Memory = utils.Bytes(100 * 1024 * 1024) // 100MB
 	cfg.Disks = append(cfg.Disks, DiskLimit{
 		Dev:       "8:0",
diff --git a/limit/cgroups_v1.go b/limit/cgroups_v1.go
index 26a0f05..e607c16 100644
--- a/limit/cgroups_v1.go
+++ b/limit/cgroups_v1.go
@@ -25,7 +25,7 @@ func (cfg *Configure) doV1(agentName string) {
 		logging.Warning("can not create cgroup %s: %v", dir, err)
 		return
 	}
-	limitCPUV1(group, cfg.CpuQuota)
+	limitCPUV1(group, cfg.CPUQuota)
 	limitMemoryV1(group, int64(cfg.Memory))
 	limitDiskV1(group, cfg.Disks)
 	err = group.Add(cgroups.Process{
@@ -38,7 +38,7 @@ func (cfg *Configure) doV1(agentName string) {
 }
 
 func wantCGroup(cfg *Configure) bool {
-	if cfg.CpuQuota > 0 {
+	if cfg.CPUQuota > 0 {
 		return true
 	}
 	if cfg.Memory > 0 {
diff --git a/limit/cgroups_v2.go b/limit/cgroups_v2.go
index c2a9aa6..131d49f 100644
--- a/limit/cgroups_v2.go
+++ b/limit/cgroups_v2.go
@@ -18,7 +18,7 @@ func (cfg *Configure) doV2(agentName string) {
 		logging.Warning("can not create cgroup: %v", err)
 		return
 	}
-	limitCPUV2(group, cfg.CpuQuota)
+	limitCPUV2(group, cfg.CPUQuota)
 	limitMemoryV2(group, int64(cfg.Memory))
 	limitDiskV2(group, cfg.Disks)
 	err = group.AddProc(uint64(os.Getpid()))
diff --git a/limit/configure.go b/limit/configure.go
index bd8d23a..945c332 100644
--- a/limit/configure.go
+++ b/limit/configure.go
@@ -7,8 +7,9 @@ import (
 	"github.com/jkstack/agent/utils"
 )
 
+// DiskLimit disk limit configure
 type DiskLimit struct {
-	// device version of lsblk command eg: 8:0
+	// device number of lsblk command eg: 8:0
 	Dev string `json:"dev" yaml:"dev" kv:"dev"`
 	// read bytes
 	ReadBytes uint64 `json:"read_bytes" yaml:"read_bytes" kv:"read_bytes"`
@@ -23,7 +24,7 @@ type DiskLimit struct {
 // Configure limit configure
 type Configure struct {
 	// cpu usage 100 means 1 core
-	CpuQuota int64 `json:"cpu_quota" yaml:"cpu_quota" kv:"cpu_quota"`
+	CPUQuota int64 `json:"cpu_quota" yaml:"cpu_quota" kv:"cpu_quota"`
 	// memory size limit in bytes
 	Memory utils.Bytes `json:"memory_limit" yaml:"memory_limit" kv:"memory_limit"`
 	// limit of disk
diff --git a/utils/bytes.go b/utils/bytes.go
index 3254e96..7772270 100644
--- a/utils/bytes.go
+++ b/utils/bytes.go
@@ -7,7 +7,7 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
-// Bytes yaml bytes
+// Bytes custom bytes struct
 type Bytes uint64
 
 // MarshalJSON marshal bytes by json
diff --git a/utils/duration.go b/utils/duration.go
index 01dede6..df7f684 100644
--- a/utils/duration.go
+++ b/utils/duration.go
@@ -4,6 +4,7 @@ import (
 	"time"
 )
 
+// Duration custom duration struct
 type Duration time.Duration
 
 // MarshalKV marshal duration
diff --git a/utils/recover.go b/utils/recover.go
index 96f8cf1..f4aa17d 100644
--- a/utils/recover.go
+++ b/utils/recover.go
@@ -2,6 +2,7 @@ package utils
 
 import "github.com/jkstack/jkframe/logging"
 
+// Recover error recover
 func Recover(key string) {
 	if err := recover(); err != nil {
 		logging.Error("%s: %v", key, err)