diff --git a/blockchain/blockstore.go b/blockchain/blockstore.go
index 0719873386..c910f7db92 100644
--- a/blockchain/blockstore.go
+++ b/blockchain/blockstore.go
@@ -1168,7 +1168,7 @@ func (bs *BlockStore) GetDbVersion() int64 {
 	return ver.Data
 }
 
-//SetDbVersion 获取blockchain的数据库版本号
+//SetDbVersion 设置blockchain的数据库版本号
 func (bs *BlockStore) SetDbVersion(versionNo int64) error {
 	ver := types.Int64{Data: versionNo}
 	verByte := types.Encode(&ver)
diff --git a/executor/execenv.go b/executor/execenv.go
index 0348593486..bcf0ad7467 100644
--- a/executor/execenv.go
+++ b/executor/execenv.go
@@ -477,7 +477,7 @@ func (e *executor) execTxOne(feelog *types.Receipt, tx *types.Transaction, index
 	e.startTx()
 	receipt, err := e.Exec(tx, index)
 	if err != nil {
-		elog.Error("exec tx error = ", "err", err, "exec", string(tx.Execer), "action", tx.ActionName())
+		elog.Error("execTxOne", "exec tx error", err, "exec", string(tx.Execer), "action", tx.ActionName())
 		//add error log
 		errlog := &types.ReceiptLog{Ty: types.TyLogErr, Log: []byte(err.Error())}
 		feelog.Logs = append(feelog.Logs, errlog)
@@ -632,7 +632,7 @@ func (e *executor) execTx(exec *Executor, tx *types.Transaction, index int) (*ty
 	feelog, err = e.execTxOne(feelog, tx, index)
 	if err != nil {
 		e.rollback()
-		elog.Error("exec tx = ", "index", index, "execer", string(tx.Execer), "err", err)
+		elog.Error("execTx", "index", index, "execer", string(tx.Execer), "err", err)
 	} else {
 		err := e.commit()
 		if err != nil {
diff --git a/util/cli/chain33.go b/util/cli/chain33.go
index 1e1de7c5a6..b66c41dfa6 100644
--- a/util/cli/chain33.go
+++ b/util/cli/chain33.go
@@ -254,9 +254,9 @@ func createFile(filename string) (*os.File, error) {
 func watching() {
 	var m runtime.MemStats
 	runtime.ReadMemStats(&m)
-	log.Info("info:", "NumGoroutine:", runtime.NumGoroutine())
-	log.Info("info:", "Mem:", m.Sys/(1024*1024))
-	log.Info("info:", "HeapAlloc:", m.HeapAlloc/(1024*1024))
+	log.Info("GC runtime info:", "NumGoroutine:", runtime.NumGoroutine())
+	log.Info("GC runtime info:", "Mem:", m.Sys/(1024*1024))
+	log.Info("GC runtime info:", "HeapAlloc:", m.HeapAlloc/(1024*1024))
 }
 
 func pwd() string {