diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/bean/DeviceChannel.java b/src/main/java/com/genersoft/iot/vmp/gb28181/bean/DeviceChannel.java
index bfce66f83..4b58aee5b 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/bean/DeviceChannel.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/bean/DeviceChannel.java
@@ -230,7 +230,11 @@ public class DeviceChannel extends CommonGBChannel {
 			}
 			// 此处对于不在wvp缓存中的行政区划,默认直接存储.保证即使出现wvp的行政区划缓存过老,也可以通过用户自主创建的方式正常使用系统
 		}
-		return XmlUtil.elementDecode(element, DeviceChannel.class);
+		GbCode gbCode = GbCode.decode(deviceChannel.getDeviceId());
+		if ("138".equals(gbCode.getTypeCode())) {
+			deviceChannel.setHasAudio(true);
+		}
+		return deviceChannel;
 	}
 
 	public static DeviceChannel decodeWithOnlyDeviceId(Element element) {