From 5f47f3d7c4f9cded53de18a258f580f8658ac095 Mon Sep 17 00:00:00 2001
From: gb <741021719@qq.com>
Date: Wed, 16 Aug 2023 18:42:41 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E4=B8=8A=E4=B8=80=E6=AC=A1?=
 =?UTF-8?q?=E6=8F=90=E4=BA=A4=E7=9A=84BUG=EF=BC=9A+=3D=20-->=20=3D?=
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---
 hgdriver/hgdev/usb_manager.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hgdriver/hgdev/usb_manager.cpp b/hgdriver/hgdev/usb_manager.cpp
index 391779d..efb385f 100644
--- a/hgdriver/hgdev/usb_manager.cpp
+++ b/hgdriver/hgdev/usb_manager.cpp
@@ -633,7 +633,7 @@ bool usb_io::make_singleton(void)
 
     if (pos != std::string::npos)
         tips.replace(pos, 2, str);
-    str += std::move(tips);
+    str = std::move(tips);
     init_err_msg_ = str;
     VLOG_MINI_1(LOG_LEVEL_FATAL, "Open failed: %s\n", str.c_str());