From cd28444b0dc86abd2e546db2c83d2a39779e9754 Mon Sep 17 00:00:00 2001
From: jl2005 <jiaolongdy@163.com>
Date: Sat, 16 Jan 2021 02:35:50 +0800
Subject: [PATCH] assign initial value to buf (#884)

Fix prettify functionality
---
 middleware.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/middleware.go b/middleware.go
index 726632a..bd469af 100644
--- a/middleware.go
+++ b/middleware.go
@@ -76,6 +76,7 @@ func (m *Middleware) copy(to io.Writer, from PluginReader) {
 			continue
 		}
 
+		buf = msg.Data
 		if Settings.PrettifyHTTP {
 			buf = prettifyHTTP(msg.Data)
 		}