diff --git a/array_test.go b/array_test.go
index 9472c9e..221e7c8 100644
--- a/array_test.go
+++ b/array_test.go
@@ -9,6 +9,7 @@ package wrapper
 
 import (
 	"fmt"
+	"reflect"
 	"testing"
 )
 
@@ -18,4 +19,9 @@ func TestArray(t *testing.T) {
 	fmt.Println(Array(val).ItemIsInterface())
 	valInt := []int{1, 2, 3, 1, 4, 5, 6, 7, 7, 6, 9}
 	fmt.Println(Array(valInt).Unique())
+	a := map[string]interface{}{"name": "zhang"}
+	b := a
+	c := map[string]interface{}{"name": "de"}
+	fmt.Println(reflect.DeepEqual(b, c))
+	fmt.Println(reflect.DeepEqual(a, b))
 }