diff --git a/.golangci.yaml b/.golangci.yaml
new file mode 100644
index 00000000..520871ea
--- /dev/null
+++ b/.golangci.yaml
@@ -0,0 +1,16 @@
+# see: https://golangci-lint.run/usage/configuration/
+run:
+  skip-dirs: # TODO: update after corrected
+    - bcs
+    - example
+    - lib
+    - kernel/contract
+    - kernel/common
+    - kernel/consensus
+    - kernel/network
+    - kernel/permission
+    - kernel/engines/xuperos/common
+    - kernel/engines/xuperos/event
+    - kernel/engines/xuperos/miner
+    - kernel/engines/xuperos/net
+    - kernel/engines/xuperos/parachain
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 792ec2ab..f3d431bb 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -12,3 +12,8 @@ repos:
               .*/address
           )$
       - id: trailing-whitespace
+
+  - repo: https://github.com/golangci/golangci-lint
+    rev: v1.50.1
+    hooks:
+      - id: golangci-lint
diff --git a/bcs/consensus/tdpos/kernel_contract_test.go b/bcs/consensus/tdpos/kernel_contract_test.go
index 2fbbad60..824372c3 100644
--- a/bcs/consensus/tdpos/kernel_contract_test.go
+++ b/bcs/consensus/tdpos/kernel_contract_test.go
@@ -198,7 +198,7 @@ func TestRunRevokeVote(t *testing.T) {
 	l.SetSnapshot(tdposBucket, []byte(vote_prefix+"akf7qunmeaqb51Wu418d6TyPKp4jdLdpV"), VoteKey3())
 
 	i := NewTdposConsensus(*cCtx, getConfig(getTdposConsensusConf()))
-	tdpos, _ := i.(*tdposConsensus)
+	tdpos := i.(*tdposConsensus)
 	fakeCtx := mock.NewFakeKContext(NewNominateArgs(), NewM())
 	tdpos.runRevokeVote(fakeCtx)
 }
diff --git a/kernel/engines/xuperos/asyncworker/asyncworker_impl.go b/kernel/engines/xuperos/asyncworker/asyncworker_impl.go
index fcddd3c0..57a87623 100644
--- a/kernel/engines/xuperos/asyncworker/asyncworker_impl.go
+++ b/kernel/engines/xuperos/asyncworker/asyncworker_impl.go
@@ -8,7 +8,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/golang/protobuf/proto"
+	"github.com/golang/protobuf/proto" //nolint:staticcheck
+
 	"github.com/xuperchain/xupercore/bcs/ledger/xledger/def"
 	"github.com/xuperchain/xupercore/kernel/engines/xuperos/common"
 	"github.com/xuperchain/xupercore/kernel/engines/xuperos/event"
@@ -140,12 +141,9 @@ func (aw *AsyncWorkerImpl) Start() (err error) {
 	}
 
 	go func() {
-		select {
-		case <-aw.close:
-			iter.Close()
-			aw.log.Warn("async task loop shut down.")
-			return
-		}
+		<-aw.close
+		iter.Close()
+		aw.log.Warn("async task loop shut down.")
 	}()
 
 	go func() {
@@ -161,11 +159,12 @@ func (aw *AsyncWorkerImpl) Start() (err error) {
 				break
 			}
 			// 当且仅当断点有效，且当前高度为断点存储高度时，需要过滤部分已做异步任务
+			var curBlockCursor *asyncWorkerCursor
 			if cursor != nil && block.BlockHeight == cursor.BlockHeight {
-				aw.doAsyncTasks(block.Txs, block.BlockHeight, cursor)
-				continue
+				curBlockCursor = cursor
 			}
-			aw.doAsyncTasks(block.Txs, block.BlockHeight, nil)
+			// TODO: deal with error
+			_ = aw.doAsyncTasks(block.Txs, block.BlockHeight, curBlockCursor)
 		}
 	}()
 	return
@@ -201,15 +200,14 @@ func (aw *AsyncWorkerImpl) doAsyncTasks(txs []*protos.FilteredTransaction, heigh
 			}
 			aw.log.Info("do async task success", "contract", event.Contract, "event", event.Name,
 				"txIndex", index, "eventIndex", eventIndex)
+
 			// 执行完毕后进行持久化
 			newCursor := asyncWorkerCursor{
 				BlockHeight: height,
 				TxIndex:     int64(index),
 				EventIndex:  int64(eventIndex),
 			}
-			if err := aw.storeCursor(newCursor); err != nil {
-				continue
-			}
+			_ = aw.storeCursor(newCursor) // ignore error which logged inside method
 		}
 	}
 	// 该block已经处理完毕，此时需要记录到游标里，避免后续事件遍历负担
@@ -218,10 +216,7 @@ func (aw *AsyncWorkerImpl) doAsyncTasks(txs []*protos.FilteredTransaction, heigh
 		TxIndex:     lastTxIndex,
 		EventIndex:  lastEventIndex,
 	}
-	if err := aw.storeCursor(newCursor); err != nil {
-		return err
-	}
-	return nil
+	return aw.storeCursor(newCursor)
 }
 
 func (aw *AsyncWorkerImpl) storeCursor(cursor asyncWorkerCursor) error {
@@ -281,7 +276,7 @@ func (aw *AsyncWorkerImpl) Stop() {
 }
 
 type asyncWorkerCursor struct {
-	BlockHeight int64 `json:"block_height,required"`
-	TxIndex     int64 `json:"tx_index,required"`
-	EventIndex  int64 `json:"event_index,required"`
+	BlockHeight int64 `json:"block_height,required"` //nolint:staticcheck
+	TxIndex     int64 `json:"tx_index,required"`     //nolint:staticcheck
+	EventIndex  int64 `json:"event_index,required"`  //nolint:staticcheck
 }
diff --git a/kernel/engines/xuperos/asyncworker/asyncworker_test.go b/kernel/engines/xuperos/asyncworker/asyncworker_test.go
index 7854e4c2..47520128 100644
--- a/kernel/engines/xuperos/asyncworker/asyncworker_test.go
+++ b/kernel/engines/xuperos/asyncworker/asyncworker_test.go
@@ -143,7 +143,7 @@ func TestCursor(t *testing.T) {
 		t.Errorf("marshal cursor failed when doAsyncTasks, err=%v", err)
 		return
 	}
-	aw.finishTable.Put([]byte(testBcName), cursorBuf)
+	_ = aw.finishTable.Put([]byte(testBcName), cursorBuf)
 	cursor, err = aw.reloadCursor()
 	if err != nil {
 		t.Errorf("reloadCursor err=%v", err)
@@ -153,9 +153,12 @@ func TestCursor(t *testing.T) {
 		t.Errorf("reloadCursor value error")
 		return
 	}
-	aw.storeCursor(asyncWorkerCursor{
+	err = aw.storeCursor(asyncWorkerCursor{
 		BlockHeight: 10,
 	})
+	if err != nil {
+		t.Fatal(err)
+	}
 }
 
 func TestDoAsyncTasks(t *testing.T) {
@@ -189,8 +192,10 @@ func TestDoAsyncTasks(t *testing.T) {
 		EventIndex:  int64(0),
 	}
 	cursorBuf, _ := json.Marshal(cursor)
-	aw.finishTable.Put([]byte(testBcName), cursorBuf)
-	aw.doAsyncTasks(newTxs(), 5, cursor)
+	_ = aw.finishTable.Put([]byte(testBcName), cursorBuf)
+	if err := aw.doAsyncTasks(newTxs(), 5, cursor); err != nil {
+		t.Fatal(err)
+	}
 	if cursor.BlockHeight != 5 || cursor.TxIndex != 1 || cursor.EventIndex != 0 {
 		t.Errorf("doAsyncTasks block break cursor error")
 	}
@@ -206,7 +211,8 @@ func TestStartAsyncTask(t *testing.T) {
 	aw.finishTable = th.db
 	aw.log = th.log
 	aw.RegisterHandler("$parachain", "CreateBlockChain", handleCreateChain)
-	aw.Start()
+	// TODO: deal with error
+	_ = aw.Start()
 	aw.Stop()
 }
 
@@ -219,7 +225,7 @@ type TestHelper struct {
 func NewTestHelper() (*TestHelper, error) {
 	basedir, err := ioutil.TempDir("", "asyncworker-test")
 	if err != nil {
-		panic(err)
+		return nil, err
 	}
 
 	dir := utils.GetCurFileDir()
diff --git a/kernel/engines/xuperos/chain.go b/kernel/engines/xuperos/chain.go
index 0adc0139..85cc59d0 100644
--- a/kernel/engines/xuperos/chain.go
+++ b/kernel/engines/xuperos/chain.go
@@ -201,14 +201,16 @@ func (t *Chain) PreExec(ctx xctx.XContext, reqs []*protos.InvokeRequest, initiat
 
 		resp, err := context.Invoke(req.MethodName, req.Args)
 		if err != nil {
-			context.Release()
+			// TODO: deal with error
+			_ = context.Release()
 			ctx.GetLog().Error("PreExec Invoke error", "error", err, "contractName", req.ContractName)
 			metrics.ContractInvokeCounter.WithLabelValues(t.ctx.BCName, req.ModuleName, req.ContractName, req.MethodName, "InvokeError").Inc()
 			return nil, common.ErrContractInvokeFailed.More("%v", err)
 		}
 
 		if resp.Status >= 400 && i < len(reservedRequests) {
-			context.Release()
+			// TODO: deal with error
+			_ = context.Release()
 			ctx.GetLog().Error("PreExec Invoke error", "status", resp.Status, "contractName", req.ContractName)
 			metrics.ContractInvokeCounter.WithLabelValues(t.ctx.BCName, req.ModuleName, req.ContractName, req.MethodName, "InvokeError").Inc()
 			return nil, common.ErrContractInvokeFailed.More("%v", resp.Message)
@@ -234,7 +236,8 @@ func (t *Chain) PreExec(ctx xctx.XContext, reqs []*protos.InvokeRequest, initiat
 		responses = append(responses, response)
 		responseBodes = append(responseBodes, resp.Body)
 
-		context.Release()
+		// TODO: deal with error
+		_ = context.Release()
 		metrics.ContractInvokeHistogram.WithLabelValues(t.ctx.BCName, req.ModuleName, req.ContractName, req.MethodName).Observe(time.Since(beginTime).Seconds())
 	}
 
@@ -319,7 +322,8 @@ func (t *Chain) ProcBlock(ctx xctx.XContext, block *lpb.InternalBlock) error {
 	}
 
 	log := ctx.GetLog()
-	err := t.miner.ProcBlock(ctx, block)
+	// TODO: replace deprecated method
+	err := t.miner.ProcBlock(ctx, block) //nolint:staticcheck
 	if err != nil {
 		if common.CastError(err).Equal(common.ErrForbidden) {
 			log.Trace("forbidden process block", "blockid", utils.F(block.GetBlockid()), "err", err)
diff --git a/kernel/engines/xuperos/engine.go b/kernel/engines/xuperos/engine.go
index 3284c37c..8bee2c7d 100644
--- a/kernel/engines/xuperos/engine.go
+++ b/kernel/engines/xuperos/engine.go
@@ -207,7 +207,9 @@ func (t *Engine) loadChains() error {
 				t.log.Error("create parachain mgmt error", "bcName", rootChain, "err", err)
 				return fmt.Errorf("create parachain error")
 			}
-			aw.Start()
+			if err = aw.Start(); err != nil {
+				return err
+			}
 		}
 
 		t.log.Trace("load chain succeeded", "chain", fInfo.Name(), "dir", chainDir)
diff --git a/kernel/engines/xuperos/engine_test.go b/kernel/engines/xuperos/engine_test.go
index 8fd29bd3..b05f1080 100644
--- a/kernel/engines/xuperos/engine_test.go
+++ b/kernel/engines/xuperos/engine_test.go
@@ -42,13 +42,11 @@ func CreateLedger(conf *xconf.EnvConf) error {
 	return nil
 }
 
-func RemoveLedger(conf *xconf.EnvConf) error {
+func RemoveLedger(conf *xconf.EnvConf) {
 	path := conf.GenDataAbsPath("blockchain")
 	if err := os.RemoveAll(path); err != nil {
 		log.Printf("remove ledger failed.err:%v\n", err)
-		return err
 	}
-	return nil
 }
 
 func MockEngine(path string) (common.Engine, error) {