From c2ef001546ff304f997c0162e71edd0d7e0e228a Mon Sep 17 00:00:00 2001
From: fine <54142345+criver31@users.noreply.github.com>
Date: 星期三, 31 五月 2023 09:35:08 +0800
Subject: [PATCH] Update MobilePositionResponseMessageHandler.java

---
 src/main/java/com/genersoft/iot/vmp/common/StreamInfo.java |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/common/StreamInfo.java b/src/main/java/com/genersoft/iot/vmp/common/StreamInfo.java
index 9d4323b..a501daf 100644
--- a/src/main/java/com/genersoft/iot/vmp/common/StreamInfo.java
+++ b/src/main/java/com/genersoft/iot/vmp/common/StreamInfo.java
@@ -238,7 +238,9 @@
     }
 
     public void setRtc(String host, int port, int sslPort, String app, String stream, String callIdParam) {
-        callIdParam = Objects.equals(callIdParam, "") ? callIdParam : callIdParam.replace("?", "&");
+        if (callIdParam != null) {
+            callIdParam = Objects.equals(callIdParam, "") ? callIdParam : callIdParam.replace("?", "&");
+        }
         String file = String.format("index/api/webrtc?app=%s&stream=%s&type=play%s", app, stream, callIdParam);
         if (port > 0) {
             this.rtc = new StreamURL("http", host, port, file);

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