diff --git a/pkg/iplibrary/ip_item_test.go b/pkg/iplibrary/ip_item_test.go
deleted file mode 100644
index fbb1442..0000000
--- a/pkg/iplibrary/ip_item_test.go
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
-
-package iplibrary
-
-import (
-	"bytes"
-	"encoding/binary"
-	"testing"
-)
-
-func TestIpItem_AsBinary(t *testing.T) {
-	var item = &ipItem{
-		IPFrom:     123456789,
-		IPTo:       123456790,
-	}
-	b, err := item.AsBinary()
-	if err != nil {
-		t.Fatal(err)
-	}
-	t.Log(len(b), "bytes")
-
-	var item2 = &ipItem{}
-	err = binary.Read(bytes.NewReader(b), binary.BigEndian, item2)
-	if err != nil {
-		t.Fatal(err)
-	}
-	t.Log(item2)
-}