diff --git a/bot_test.go b/bot_test.go
index 1e1a72d..b1f6db9 100644
--- a/bot_test.go
+++ b/bot_test.go
@@ -128,16 +128,4 @@ func TestSender(t *testing.T) {
 	bot.Block()
 }
 
-func TestHotReloadStorage(t *testing.T) {
-	bot := DefaultBot(Desktop)
-	bot.MessageHandler = func(msg *Message) {
-		if msg.IsText() && msg.Content == "ping" {
-			msg.ReplyText("pong")
-		}
-	}
-	if err := bot.HotLogin(NewJsonFileHotReloadStorage("test.json")); err != nil {
-		t.Error(err)
-		return
-	}
-	bot.Block()
-}
+
diff --git a/stroage.go b/stroage.go
index 35045d8..a3e30b0 100644
--- a/stroage.go
+++ b/stroage.go
@@ -1,7 +1,6 @@
 package openwechat
 
 import (
-	"bytes"
 	"encoding/json"
 	"errors"
 	"io"
@@ -28,6 +27,7 @@ type HotReloadStorage io.ReadWriteCloser
 
 // JsonFileHotReloadStorage 实现HotReloadStorage接口
 // 默认以json文件的形式存储
+// Deprecated
 type JsonFileHotReloadStorage struct {
 	FileName string
 	file     *os.File
@@ -58,6 +58,9 @@ func (j *JsonFileHotReloadStorage) Close() error {
 	return nil
 }
 
+// NewJsonFileHotReloadStorage 创建JsonFileHotReloadStorage
+// Deprecated
+// use os.File instead
 func NewJsonFileHotReloadStorage(filename string) HotReloadStorage {
 	return &JsonFileHotReloadStorage{FileName: filename}
 }
@@ -68,13 +71,9 @@ func NewHotReloadStorageItem(storage HotReloadStorage) (*HotReloadStorageItem, e
 	if storage == nil {
 		return nil, errors.New("storage can't be nil")
 	}
-	var buffer bytes.Buffer
-	if _, err := buffer.ReadFrom(storage); err != nil {
-		return nil, err
-	}
 	var item HotReloadStorageItem
 
-	if err := json.NewDecoder(&buffer).Decode(&item); err != nil {
+	if err := json.NewDecoder(storage).Decode(&item); err != nil {
 		return nil, err
 	}
 	return &item, nil