From d09d8f11f06ee6eeeb4c7f9bd6d35e6fbd49e05f Mon Sep 17 00:00:00 2001
From: jiang <893224616@qq.com>
Date: 星期四, 04 八月 2022 17:01:31 +0800
Subject: [PATCH] 修改‘修改pushkey’窗口的标题提示文案

---
 src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java b/src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java
index 8025818..35ec640 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java
@@ -25,6 +25,9 @@
      * */
     public static String getChannelIdFromHeader(Request request) {
         Header subject = request.getHeader("subject");
+        if (subject == null) {
+            return null;
+        }
         return ((Subject) subject).getSubject().split(":")[0];
     }
 

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