From 8cfff8db97b7e51578424b6a202ae80cd56923a2 Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期五, 28 一月 2022 16:30:10 +0800
Subject: [PATCH] 添加对可能空指针的判断

---
 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/callback/DeferredResultHolder.java |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/callback/DeferredResultHolder.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/callback/DeferredResultHolder.java
index 48c4939..ac77f7b 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/callback/DeferredResultHolder.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/callback/DeferredResultHolder.java
@@ -41,6 +41,8 @@
 
 	public static final String CALLBACK_CMD_STOP = "CALLBACK_STOP";
 
+	public static final String UPLOAD_FILE_CHANNEL = "UPLOAD_FILE_CHANNEL";
+
 	public static final String CALLBACK_CMD_MOBILEPOSITION = "CALLBACK_MOBILEPOSITION";
 
 	public static final String CALLBACK_CMD_PRESETQUERY = "CALLBACK_PRESETQUERY";

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