diff --git a/src/main/java/com/genersoft/iot/vmp/common/enums/ChannelDataType.java b/src/main/java/com/genersoft/iot/vmp/common/enums/ChannelDataType.java
index c2d2a11e0..d00e0ce11 100644
--- a/src/main/java/com/genersoft/iot/vmp/common/enums/ChannelDataType.java
+++ b/src/main/java/com/genersoft/iot/vmp/common/enums/ChannelDataType.java
@@ -1,21 +1,24 @@
 package com.genersoft.iot.vmp.common.enums;
 
+import java.util.HashMap;
+import java.util.Map;
+
 /**
  * 支持的通道数据类型
  */
 
-public enum ChannelDataType {
+public class ChannelDataType {
 
-    GB28181(1,"国标28181"),
-    STREAM_PUSH(2,"推流设备"),
-    STREAM_PROXY(3,"拉流代理");
+    public final static int GB28181 = 1;
+    public final static int STREAM_PUSH = 2;
+    public final static int STREAM_PROXY = 3;
 
-    public final int value;
-
-    public final String desc;
-
-    ChannelDataType(Integer value, String desc) {
-        this.value = value;
-        this.desc = desc;
+    public static Map<String, Integer> getDescMap() {
+        Map<String, Integer> map = new HashMap<>();
+        map.put("国标28181", ChannelDataType.GB28181);
+        map.put("推流设备", ChannelDataType.STREAM_PUSH);
+        map.put("拉流代理", ChannelDataType.STREAM_PROXY);
+        return map;
     }
+
 }
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/service/IGbChannelPlayService.java b/src/main/java/com/genersoft/iot/vmp/gb28181/service/IGbChannelPlayService.java
index 1d6e1ebe8..4656116e8 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/service/IGbChannelPlayService.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/service/IGbChannelPlayService.java
@@ -25,7 +25,7 @@ public interface IGbChannelPlayService {
 
     void playPush(CommonGBChannel channel, String platformDeviceId, String platformName, ErrorCallback<StreamInfo> callback);
 
-    void  stopPlayPush(CommonGBChannel channel);
+    void stopPlayPush(CommonGBChannel channel);
 
     void pauseRtp(String streamId);
 
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/service/ISourcePlayService.java b/src/main/java/com/genersoft/iot/vmp/gb28181/service/ISourcePlayService.java
new file mode 100644
index 000000000..9dad8f364
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/service/ISourcePlayService.java
@@ -0,0 +1,13 @@
+package com.genersoft.iot.vmp.gb28181.service;
+
+import com.genersoft.iot.vmp.common.StreamInfo;
+import com.genersoft.iot.vmp.gb28181.bean.CommonGBChannel;
+import com.genersoft.iot.vmp.service.bean.ErrorCallback;
+
+public interface ISourcePlayService {
+
+    void play(CommonGBChannel channel, Boolean record, ErrorCallback<StreamInfo> callback);
+
+    void stopPlay(CommonGBChannel channel, String stream);
+
+}
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelPlayServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelPlayServiceImpl.java
index 8a849a28e..20a7897fa 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelPlayServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelPlayServiceImpl.java
@@ -2,16 +2,17 @@ package com.genersoft.iot.vmp.gb28181.service.impl;
 
 import com.genersoft.iot.vmp.common.InviteSessionType;
 import com.genersoft.iot.vmp.common.StreamInfo;
-import com.genersoft.iot.vmp.conf.exception.ControllerException;
-import com.genersoft.iot.vmp.conf.exception.ServiceException;
-import com.genersoft.iot.vmp.gb28181.bean.*;
 import com.genersoft.iot.vmp.common.enums.ChannelDataType;
 import com.genersoft.iot.vmp.conf.UserSetting;
+import com.genersoft.iot.vmp.conf.exception.ControllerException;
+import com.genersoft.iot.vmp.conf.exception.ServiceException;
 import com.genersoft.iot.vmp.gb28181.bean.CommonGBChannel;
+import com.genersoft.iot.vmp.gb28181.bean.InviteMessageInfo;
 import com.genersoft.iot.vmp.gb28181.bean.Platform;
 import com.genersoft.iot.vmp.gb28181.bean.PlayException;
 import com.genersoft.iot.vmp.gb28181.service.IGbChannelPlayService;
 import com.genersoft.iot.vmp.gb28181.service.IPlayService;
+import com.genersoft.iot.vmp.gb28181.service.ISourcePlayService;
 import com.genersoft.iot.vmp.service.bean.ErrorCallback;
 import com.genersoft.iot.vmp.streamProxy.service.IStreamProxyPlayService;
 import com.genersoft.iot.vmp.streamPush.service.IStreamPushPlayService;
@@ -23,6 +24,7 @@ import javax.sip.InvalidArgumentException;
 import javax.sip.SipException;
 import javax.sip.message.Response;
 import java.text.ParseException;
+import java.util.Map;
 
 @Slf4j
 @Service
@@ -40,6 +42,9 @@ public class GbChannelPlayServiceImpl implements IGbChannelPlayService {
     @Autowired
     private UserSetting userSetting;
 
+    @Autowired
+    private Map<String, ISourcePlayService> sourcePlayServiceMap;
+
 
     @Override
     public void start(CommonGBChannel channel, InviteMessageInfo inviteInfo, Platform platform, ErrorCallback<StreamInfo> callback) {
@@ -48,6 +53,7 @@ public class GbChannelPlayServiceImpl implements IGbChannelPlayService {
             throw new PlayException(Response.SERVER_INTERNAL_ERROR, "server internal error");
         }
         log.info("[点播通用通道] 类型：{}， 通道： {}({})", inviteInfo.getSessionName(), channel.getGbName(), channel.getGbDeviceId());
+
         if ("Play".equalsIgnoreCase(inviteInfo.getSessionName())) {
             play(channel, platform, userSetting.getRecordSip(), callback);
         }else if ("Playback".equals(inviteInfo.getSessionName())) {
@@ -119,6 +125,17 @@ public class GbChannelPlayServiceImpl implements IGbChannelPlayService {
     @Override
     public void play(CommonGBChannel channel, Platform platform, Boolean record, ErrorCallback<StreamInfo> callback) {
         log.info("[通用通道] 播放， 类型： {}， 编号：{}", channel.getDataType(), channel.getGbDeviceId());
+        Integer dataType = channel.getDataType();
+        ISourcePlayService sourceChannelPlayService = sourcePlayServiceMap.get("SourceChannelPlayService" + dataType);
+        if (sourceChannelPlayService == null) {
+            // 通道数据异常
+            log.error("[点播通用通道] 类型编号： {} 不支持实时流预览", dataType);
+            throw new PlayException(Response.BUSY_HERE, "channel not support");
+        }
+        sourceChannelPlayService.play(channel, record, callback);
+
+
+
         if (channel.getDataType() == ChannelDataType.GB28181.value) {
             // 国标通道
             playGbDeviceChannel(channel, record, callback);
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/SourcePlayServiceForGbImpl.java b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/SourcePlayServiceForGbImpl.java
new file mode 100644
index 000000000..5c9a4ed0b
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/SourcePlayServiceForGbImpl.java
@@ -0,0 +1,22 @@
+package com.genersoft.iot.vmp.gb28181.service.impl;
+
+import com.genersoft.iot.vmp.common.StreamInfo;
+import com.genersoft.iot.vmp.common.enums.ChannelDataType;
+import com.genersoft.iot.vmp.gb28181.bean.CommonGBChannel;
+import com.genersoft.iot.vmp.gb28181.service.ISourcePlayService;
+import com.genersoft.iot.vmp.service.bean.ErrorCallback;
+import org.springframework.stereotype.Service;
+
+@Service("SourcePlayService" + ChannelDataType.GB28181)
+public class SourcePlayServiceForGbImpl implements ISourcePlayService {
+
+    @Override
+    public void play(CommonGBChannel channel, Boolean record, ErrorCallback<StreamInfo> callback) {
+
+    }
+
+    @Override
+    public void stopPlay(CommonGBChannel channel, String stream) {
+
+    }
+}
diff --git a/src/main/java/com/genersoft/iot/vmp/vmanager/server/ServerController.java b/src/main/java/com/genersoft/iot/vmp/vmanager/server/ServerController.java
index 3ffc9e310..ee2f9da4a 100755
--- a/src/main/java/com/genersoft/iot/vmp/vmanager/server/ServerController.java
+++ b/src/main/java/com/genersoft/iot/vmp/vmanager/server/ServerController.java
@@ -339,10 +339,11 @@ public class ServerController {
     @Operation(summary = "获取系统接入的数据类型", security = @SecurityRequirement(name = JwtUtils.HEADER))
     public List<Map<String, Object>> getDataType() {
         List<Map<String, Object>> result = new LinkedList<>();
-        for (ChannelDataType item : ChannelDataType.values()) {
+        Map<String, Integer> descMap = ChannelDataType.getDescMap();
+        for (String key : descMap.keySet()) {
             Map<String, Object> map = new LinkedHashMap<>();
-            map.put("key", item.desc);
-            map.put("value", item.value);
+            map.put("key", key);
+            map.put("value", descMap.get(key));
             result.add(map);
         }
         return result;