diff --git a/gb28181-sip/src/main/java/cn/skcks/docking/gb28181/sip/method/invite/request/InviteRequestBuilder.java b/gb28181-sip/src/main/java/cn/skcks/docking/gb28181/sip/method/invite/request/InviteRequestBuilder.java
index 4bc84dc..4687b18 100644
--- a/gb28181-sip/src/main/java/cn/skcks/docking/gb28181/sip/method/invite/request/InviteRequestBuilder.java
+++ b/gb28181-sip/src/main/java/cn/skcks/docking/gb28181/sip/method/invite/request/InviteRequestBuilder.java
@@ -15,30 +15,66 @@ import org.apache.commons.lang3.StringUtils;
 
 import javax.sdp.Connection;
 import javax.sip.address.Address;
+import javax.sip.header.SubjectHeader;
 import javax.sip.message.Request;
+import java.util.Date;
 
 @Data
 @SuperBuilder
 @EqualsAndHashCode(callSuper = true)
 @ToString(callSuper = true)
 public class InviteRequestBuilder extends RequestBuilder implements InviteBuilder {
-    public Request createPlayInviteRequest(String callId, long cSeq, String channelId, String rtpIp, int rtpPort, String ssrc, MediaStreamMode mediaStreamMode, int receiveId){
+    private SubjectHeader createSubject(String senderId, String senderStreamId, String receiveId, String receiveStreamId){
+        String subject = StringUtils.joinWith(",",
+                // 发送者 channelId:流序号
+                StringUtils.joinWith(":", senderId, senderStreamId),
+                // 接收者 id:流序号号
+                StringUtils.joinWith(":", receiveId, receiveStreamId));
+        return SipBuilder.createSubjectHeader(subject);
+    }
+
+    public Request createPlayInviteRequest(String callId, long cSeq, String channelId, String rtpIp, int rtpPort, String ssrc, MediaStreamMode mediaStreamMode, String receiveId){
         GB28181Description description = GB28181SDPBuilder.Receiver.play(getTargetId(), channelId, Connection.IP4,rtpIp,rtpPort,ssrc,mediaStreamMode);
 
         SIPRequest request = (SIPRequest) createRequest(METHOD, callId, cSeq, description);
         Address address = request.getFrom().getAddress();
 
-        String subject = StringUtils.joinWith(",",
-                // 发送者 channelId:流序号
-                StringUtils.joinWith(":", channelId, ssrc),
-                // 接收者 id:流序号号
-                StringUtils.joinWith(":", getLocalId(), receiveId));
         return SipBuilder.addHeaders(request,
                 SipBuilder.createContactHeader(address),
-                SipBuilder.createSubjectHeader(subject));
+                createSubject(channelId, ssrc, getLocalId(), receiveId));
     }
 
     public Request createPlayInviteRequest(String callId, long cSeq, String channelId, String rtpIp, int rtpPort, String ssrc, MediaStreamMode mediaStreamMode) {
-        return createPlayInviteRequest(callId, cSeq, channelId, rtpIp, rtpPort, ssrc, mediaStreamMode, 0);
+        return createPlayInviteRequest(callId, cSeq, channelId, rtpIp, rtpPort, ssrc, mediaStreamMode, String.valueOf(0));
+    }
+
+    public Request createPlaybackInviteRequest(String callId, long cSeq, String channelId, String rtpIp, int rtpPort, String ssrc, MediaStreamMode mediaStreamMode, String receiveId, Date startTime, Date endTime) {
+        GB28181Description description = GB28181SDPBuilder.Receiver.playback(getTargetId(), channelId, Connection.IP4, rtpIp, rtpPort, ssrc, mediaStreamMode, startTime, endTime);
+
+        SIPRequest request = (SIPRequest) createRequest(METHOD, callId, cSeq, description);
+        Address address = request.getFrom().getAddress();
+
+        return SipBuilder.addHeaders(request,
+                SipBuilder.createContactHeader(address),
+                createSubject(channelId, ssrc, getLocalId(), receiveId));
+    }
+
+    public Request createPlaybackInviteRequest(String callId, long cSeq, String channelId, String rtpIp, int rtpPort, String ssrc, MediaStreamMode mediaStreamMode, Date startTime, Date endTime) {
+        return createPlaybackInviteRequest(callId, cSeq, channelId, rtpIp, rtpPort, ssrc, mediaStreamMode, String.valueOf(0), startTime, endTime);
+    }
+
+    public Request createDownloadInviteRequest(String callId, long cSeq, String channelId, String rtpIp, int rtpPort, String ssrc, MediaStreamMode mediaStreamMode, String receiveId, Date startTime, Date endTime, Double downloadSpeed) {
+        GB28181Description description = GB28181SDPBuilder.Receiver.download(getTargetId(), channelId, Connection.IP4, rtpIp, rtpPort, ssrc, mediaStreamMode, startTime, endTime,downloadSpeed);
+
+        SIPRequest request = (SIPRequest) createRequest(METHOD, callId, cSeq, description);
+        Address address = request.getFrom().getAddress();
+
+        return SipBuilder.addHeaders(request,
+                SipBuilder.createContactHeader(address),
+                createSubject(channelId, ssrc, getLocalId(), receiveId));
+    }
+
+    public Request createDownloadInviteRequest(String callId, long cSeq, String channelId, String rtpIp, int rtpPort, String ssrc, MediaStreamMode mediaStreamMode, Date startTime, Date endTime, Double downloadSpeed) {
+        return createDownloadInviteRequest(callId, cSeq, channelId, rtpIp, rtpPort, ssrc, mediaStreamMode, String.valueOf(0), startTime, endTime, downloadSpeed);
     }
 }
diff --git a/gb28181-sip/src/test/java/cn/skcks/docking/gb28181/sip/process/RequestTest.java b/gb28181-sip/src/test/java/cn/skcks/docking/gb28181/sip/process/RequestTest.java
index 8d0c107..c8e8d82 100644
--- a/gb28181-sip/src/test/java/cn/skcks/docking/gb28181/sip/process/RequestTest.java
+++ b/gb28181-sip/src/test/java/cn/skcks/docking/gb28181/sip/process/RequestTest.java
@@ -1,5 +1,6 @@
 package cn.skcks.docking.gb28181.sip.process;
 
+import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.IdUtil;
 import cn.hutool.core.util.RandomUtil;
 import cn.skcks.docking.gb28181.constant.CmdType;
@@ -30,6 +31,7 @@ import javax.sip.header.WWWAuthenticateHeader;
 import javax.sip.message.Request;
 import javax.sip.message.Response;
 import java.util.Collections;
+import java.util.Date;
 
 @Slf4j
 public class RequestTest {
@@ -67,8 +69,20 @@ public class RequestTest {
         String playSsrc = "0" + ssrc;
         // 1 开头的为历史
         String playBackSsrc = "1" + ssrc;
+        // 实时点播请求
         Request playInviteRequest = inviteRequestBuilder.createPlayInviteRequest(callId, 1, localId, rtpIp, rtpPort, playSsrc, MediaStreamMode.TCP_ACTIVE);
         log.info("\n{}", playInviteRequest);
+
+        Date now = DateUtil.date();
+        Date startTime = DateUtil.beginOfDay(DateUtil.offsetDay(now,-1));
+        Date endTime = DateUtil.endOfDay(DateUtil.offsetDay(now,-1));
+        // 回放请求
+        Request playbackInviteRequest = inviteRequestBuilder.createPlaybackInviteRequest(callId, 1, localId, rtpIp, rtpPort, playBackSsrc, MediaStreamMode.TCP_ACTIVE,startTime,endTime);
+        log.info("\n{}", playbackInviteRequest);
+
+        // 下载请求
+        Request downloadInviteRequest = inviteRequestBuilder.createDownloadInviteRequest(callId, 1, localId, rtpIp, rtpPort, playBackSsrc, MediaStreamMode.TCP_ACTIVE,startTime,endTime,4.0);
+        log.info("\n{}", downloadInviteRequest);
     }