From 6246ce6ba84fd2b4e7ce7768bfa1fb56c159cad3 Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期四, 02 二月 2023 16:24:02 +0800
Subject: [PATCH] Merge pull request #736 from kunlong-luo/fix-null-point-and-cast-exception

---
 src/main/java/com/genersoft/iot/vmp/gb28181/task/ISubscribeTask.java |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/task/ISubscribeTask.java b/src/main/java/com/genersoft/iot/vmp/gb28181/task/ISubscribeTask.java
index 4c6a18a..a4e711d 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/task/ISubscribeTask.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/task/ISubscribeTask.java
@@ -1,5 +1,10 @@
 package com.genersoft.iot.vmp.gb28181.task;
 
+import javax.sip.DialogState;
+
+/**
+ * @author lin
+ */
 public interface ISubscribeTask extends Runnable{
     void stop();
 }

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