From 5159e6c9329b9c36bbe4e981498adf29e2d77664 Mon Sep 17 00:00:00 2001
From: alex_hold <8038944+alex-hold@user.noreply.gitee.com>
Date: Wed, 9 Jun 2021 15:49:43 +0800
Subject: [PATCH] =?UTF-8?q?=E9=80=82=E9=85=8Dhdc?=
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---
 extension/src/xdevice_extension/_core/environment/dmlib.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/extension/src/xdevice_extension/_core/environment/dmlib.py b/extension/src/xdevice_extension/_core/environment/dmlib.py
index 5fd3332..92030b2 100644
--- a/extension/src/xdevice_extension/_core/environment/dmlib.py
+++ b/extension/src/xdevice_extension/_core/environment/dmlib.py
@@ -1052,8 +1052,8 @@ class HdcHelper:
 
     @staticmethod
     def handle_shake(connection, connect_key=""):
-        reply = HdcHelper.read(connection, 40)
-        reply_size = struct.unpack(">I12s24s", reply)
+        reply = HdcHelper.read(connection, 48)
+        reply_size = struct.unpack(">I12s32s", reply)
         banner_str = b'OHOS HDC'
         connect_key = connect_key.encode("utf-8")
         size = struct.calcsize('12s256s')
-- 
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