From 1896b1d768c9d1b4dc0ce3dd0fc444c39157063b Mon Sep 17 00:00:00 2001
From: xiongziliang <771730766@qq.com>
Date: Mon, 6 Apr 2020 21:44:32 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E4=BB=A3=E7=A0=81?=
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---
 src/Extension/Frame.h | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/Extension/Frame.h b/src/Extension/Frame.h
index b58c0049..1cffb7bc 100644
--- a/src/Extension/Frame.h
+++ b/src/Extension/Frame.h
@@ -210,17 +210,18 @@ public:
      * @param frame 帧
      */
     void inputFrame(const Frame::Ptr &frame) override{
-        //_delegates_read能确保是单线程操作的
-        for(auto &pr : _delegates_read){
-            pr.second->inputFrame(frame);
-        }
-
         if(_need_update){
             //发现代理列表发生变化了，这里同步一次
             lock_guard<mutex> lck(_mtx);
             _delegates_read = _delegates_write;
             _need_update = false;
         }
+
+        //_delegates_read能确保是单线程操作的
+        for(auto &pr : _delegates_read){
+            pr.second->inputFrame(frame);
+        }
+
     }
 private:
     mutex _mtx;