diff --git a/array.go b/array.go
index 13732e7..a0fc8ca 100644
--- a/array.go
+++ b/array.go
@@ -1,6 +1,7 @@
 package pgo
 
 import (
+	"reflect"
 	"sync"
 )
 
@@ -103,4 +104,36 @@ func ArrayShift(s *[]interface{}) interface{} {
 	f := (*s)[0]
 	*s = (*s)[1:]
 	return f
+}
+
+func ArrayUnique(arr []string) []string{
+	size := len(arr)
+	result := make([]string, 0, size)
+	temp := map[string]struct{}{}
+	for i:=0; i < size; i++ {
+		if _,ok := temp[arr[i]]; ok != true {
+			temp[arr[i]] = struct{}{}
+			mutex.Lock()
+			result = append(result, arr[i])
+			mutex.Unlock()
+		}
+	}
+	return result
+}
+
+func ArraySearch(needle interface{}, hystack interface{}) (index int) {
+	index = -1
+
+	switch reflect.TypeOf(hystack).Kind() {
+	case reflect.Slice:
+		s := reflect.ValueOf(hystack)
+		sLen := s.Len()
+		for i := 0; i < sLen; i++ {
+			if reflect.DeepEqual(needle, s.Index(i).Interface()) == true {
+				index = i
+				return
+			}
+		}
+	}
+	return
 }
\ No newline at end of file
diff --git a/array_test.go b/array_test.go
index a4c671b..fde0ea3 100644
--- a/array_test.go
+++ b/array_test.go
@@ -1,6 +1,7 @@
 package pgo
 
 import (
+	"fmt"
 	"github.com/stretchr/testify/assert"
 	"log"
 	"testing"
@@ -108,3 +109,31 @@ func TestArrayShift(t *testing.T) {
 	assert.Equal(t, 2, len(*ary))
 	assert.True(t, !InArray("Winnie",*ary))
 }
+
+func TestArrayUnique(t *testing.T) {
+	ary := []string{
+		"Winnie",
+		"Winnie",
+		"Winnie",
+	}
+
+	uniqueAry := ArrayUnique(ary)
+
+	fmt.Println(uniqueAry)
+	assert.Equal(t, 1, len(uniqueAry))
+	assert.Equal(t, "Winnie", uniqueAry[0])
+}
+
+func TestArraySearch(t *testing.T) {
+	ary := []string{
+		"the",
+		"Winnie",
+		"Pooh",
+	}
+
+	find := ArraySearch("Winnie",ary)
+	notFind := ArraySearch("Winnie1",ary)
+
+	assert.Equal(t, 1, find)
+	assert.Equal(t, -1, notFind)
+}
diff --git a/readme.md b/readme.md
index 90d447e..6e5ec00 100644
--- a/readme.md
+++ b/readme.md
@@ -1,7 +1,7 @@
 # pgo 使用golang实现一些常用的函数(包括但不限于php一些常用的内置函数)
 
 收集一些常用的操作函数(包括但不限于php一些常用的内置函数)，帮助更快的完成开发工作，并减少重复代码，
-主要来源于 [https://www.php2golang.com](https://www.php2golang.com/)
+主要来源于 [https://www.php2golang.com](https://www.php2golang.com/) (每个函数都增加了简单的单元测试)
 
 ## 安装
 `go get -u github.com/hezhizheng/pgo`
@@ -14,6 +14,8 @@ pgo.ArrayPush()
 pgo.ArrayPop()
 pgo.ArrayUnshift()
 pgo.ArrayShift()
+pgo.ArrayUnique()
+pgo.ArraySearch()
 
 pgo.Md5("123465") // e10adc3949ba59abbe56e057f20f883e
 pgo.Uniqid("") // 608a594ee0624
@@ -31,4 +33,4 @@ pgo.FileExists("path") // bool
 ```
 
 ## License
-[MIT](./LICENSE.txt)
+[MIT](./LICENSE.txt)
\ No newline at end of file