diff --git a/src/main/java/com/genersoft/iot/vmp/jt1078/controller/JT1078Controller.java b/src/main/java/com/genersoft/iot/vmp/jt1078/controller/JT1078Controller.java
index d371ddf9e..1a23e0d44 100644
--- a/src/main/java/com/genersoft/iot/vmp/jt1078/controller/JT1078Controller.java
+++ b/src/main/java/com/genersoft/iot/vmp/jt1078/controller/JT1078Controller.java
@@ -222,7 +222,7 @@ public class JT1078Controller {
     @Parameter(name = "deviceId", description = "设备国标编号", required = true)
     @Parameter(name = "channelId", description = "通道国标编号, 一般为从1开始的数字", required = true)
     @Parameter(name = "streamType", description = "0:主码流; 1:子码流", required = true)
-    @GetMapping("/live/continue")
+    @GetMapping("/live/switch")
     public void changeStreamType(HttpServletRequest request,
                              @Parameter(required = true) String deviceId,
                              @Parameter(required = true) String channelId,
diff --git a/src/main/java/com/genersoft/iot/vmp/jt1078/service/impl/jt1078ServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/jt1078/service/impl/jt1078ServiceImpl.java
index 32bd58e06..45347a7db 100644
--- a/src/main/java/com/genersoft/iot/vmp/jt1078/service/impl/jt1078ServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/jt1078/service/impl/jt1078ServiceImpl.java
@@ -365,9 +365,16 @@ public class jt1078ServiceImpl implements Ijt1078Service {
         J9201 j9201 = new J9201();
         j9201.setChannel(Integer.parseInt(channelId));
         j9201.setIp(mediaServer.getSdpIp());
-        j9201.setRate(rate);
-        j9201.setPlaybackType(playbackType);
-        j9201.setPlaybackSpeed(playbackSpeed);
+        if (rate != null) {
+            j9201.setRate(rate);
+        }
+        if (playbackType != null) {
+            j9201.setPlaybackType(playbackType);
+        }
+        if (playbackSpeed != null) {
+            j9201.setPlaybackSpeed(playbackSpeed);
+        }
+
         j9201.setTcpPort(ssrcInfo.getPort());
         j9201.setUdpPort(ssrcInfo.getPort());
         j9201.setType(type);