diff --git a/consensus/ethash/ethash.go b/consensus/ethash/ethash.go
index 96dd5bb68d..3fd517084d 100644
--- a/consensus/ethash/ethash.go
+++ b/consensus/ethash/ethash.go
@@ -37,7 +37,7 @@ import (
 	"github.com/XinFinOrg/XDPoSChain/log"
 	"github.com/XinFinOrg/XDPoSChain/metrics"
 	"github.com/XinFinOrg/XDPoSChain/rpc"
-	mmap "github.com/edsrzf/mmap-go"
+	"github.com/edsrzf/mmap-go"
 )
 
 var ErrInvalidDumpMagic = errors.New("invalid dump magic")
diff --git a/eth/tracers/tracer.go b/eth/tracers/tracer.go
index 741c2655af..0635128e6a 100644
--- a/eth/tracers/tracer.go
+++ b/eth/tracers/tracer.go
@@ -31,7 +31,7 @@ import (
 	"github.com/XinFinOrg/XDPoSChain/core/vm"
 	"github.com/XinFinOrg/XDPoSChain/crypto"
 	"github.com/XinFinOrg/XDPoSChain/log"
-	duktape "gopkg.in/olebedev/go-duktape.v3"
+	"gopkg.in/olebedev/go-duktape.v3"
 )
 
 // bigIntegerJS is the minified version of https://github.com/peterolson/BigInteger.js.