diff --git a/codes/go/chapter_searching/hashing_search.go b/codes/go/chapter_searching/hashing_search.go
index 30096f1..22af449 100644
--- a/codes/go/chapter_searching/hashing_search.go
+++ b/codes/go/chapter_searching/hashing_search.go
@@ -4,11 +4,7 @@
 
 package chapter_searching
 
-import (
-	//"fmt"
-	"github.com/krahets/hello-algo/pkg"
-	_ "github.com/krahets/hello-algo/pkg"
-)
+import . "github.com/krahets/hello-algo/pkg"
 
 /* 哈希查找（数组） */
 func hashingSearch(m map[int]int, target int) int {
@@ -22,7 +18,7 @@ func hashingSearch(m map[int]int, target int) int {
 }
 
 /* 哈希查找（链表） */
-func hashingSearch1(m map[int]*pkg.ListNode, target int) *pkg.ListNode {
+func hashingSearch1(m map[int]*ListNode, target int) *ListNode {
 	// 哈希表的 key: 目标结点值，value: 结点对象
 	// 若哈希表中无此 key ，返回 nil
 	if node, ok := m[target]; ok {
diff --git a/codes/go/chapter_searching/hashing_search_test.go b/codes/go/chapter_searching/hashing_search_test.go
index 2ea6703..4bccd03 100644
--- a/codes/go/chapter_searching/hashing_search_test.go
+++ b/codes/go/chapter_searching/hashing_search_test.go
@@ -6,7 +6,7 @@ package chapter_searching
 
 import (
 	"fmt"
-	"github.com/krahets/hello-algo/pkg"
+	. "github.com/krahets/hello-algo/pkg"
 	"testing"
 )
 
@@ -23,9 +23,9 @@ func TestHashingSearch(t *testing.T) {
 	fmt.Println("目标元素 3 的索引 = ", index)
 
 	/* 哈希查找（链表） */
-	head := pkg.ArrayToLinkedList(nums)
+	head := ArrayToLinkedList(nums)
 	// 初始化哈希表
-	m1 := make(map[int]*pkg.ListNode)
+	m1 := make(map[int]*ListNode)
 	for head != nil {
 		m1[head.Val] = head
 		head = head.Next