diff --git a/core/blockchain_test.go b/core/blockchain_test.go
index e70ffe3ef8..9dc4b65117 100644
--- a/core/blockchain_test.go
+++ b/core/blockchain_test.go
@@ -18,13 +18,14 @@ package core
 
 import (
 	"fmt"
-	"github.com/XinFinOrg/XDPoSChain/core/rawdb"
 	"math/big"
 	"math/rand"
 	"sync"
 	"testing"
 	"time"
 
+	"github.com/XinFinOrg/XDPoSChain/core/rawdb"
+
 	"github.com/XinFinOrg/XDPoSChain/common"
 	"github.com/XinFinOrg/XDPoSChain/consensus/ethash"
 	"github.com/XinFinOrg/XDPoSChain/core/state"
@@ -1323,7 +1324,7 @@ func TestLargeReorgTrieGC(t *testing.T) {
 }
 
 /*
-	Collection test for BlochsHashCache
+	Collection test for BlocksHashCache
 	cases
 		1. When init new chain
 		2. when insertChain