diff --git a/trunk/src/app/srs_app_gb28181.cpp b/trunk/src/app/srs_app_gb28181.cpp
index d0110198c..bbcd78db6 100644
--- a/trunk/src/app/srs_app_gb28181.cpp
+++ b/trunk/src/app/srs_app_gb28181.cpp
@@ -1011,6 +1011,11 @@ std::string SrsGb28181RtmpMuxer::remote_ip()
     return "";
 }
 
+const SrsContextId& SrsGb28181RtmpMuxer::get_id()
+{
+    return _srs_context->get_id();
+}
+
 std::string SrsGb28181RtmpMuxer::desc()
 {
     return "GBConn";
diff --git a/trunk/src/app/srs_app_gb28181.hpp b/trunk/src/app/srs_app_gb28181.hpp
index 37e36418e..4793708b0 100644
--- a/trunk/src/app/srs_app_gb28181.hpp
+++ b/trunk/src/app/srs_app_gb28181.hpp
@@ -348,6 +348,7 @@ private:
 public:
     virtual srs_error_t cycle();
     virtual std::string remote_ip();
+    virtual const SrsContextId& get_id();
     virtual std::string desc();
 public:
     virtual srs_error_t on_rtp_video(SrsSimpleStream* stream, int64_t dts);
diff --git a/trunk/src/app/srs_app_gb28181_sip.cpp b/trunk/src/app/srs_app_gb28181_sip.cpp
index a1ca6c5a8..c03577a93 100644
--- a/trunk/src/app/srs_app_gb28181_sip.cpp
+++ b/trunk/src/app/srs_app_gb28181_sip.cpp
@@ -301,6 +301,11 @@ std::string SrsGb28181SipSession::remote_ip()
     return _peer_ip;
 }
 
+const SrsContextId& SrsGb28181RtmpMuxer::get_id()
+{
+    return _srs_context->get_id();
+}
+
 std::string SrsGb28181SipSession::desc()
 {
     return "SipConn";
diff --git a/trunk/src/app/srs_app_gb28181_sip.hpp b/trunk/src/app/srs_app_gb28181_sip.hpp
index f4aa7432e..6e5eb393d 100644
--- a/trunk/src/app/srs_app_gb28181_sip.hpp
+++ b/trunk/src/app/srs_app_gb28181_sip.hpp
@@ -144,6 +144,7 @@ public:
 public:
     virtual srs_error_t cycle();   
     virtual std::string remote_ip();
+    virtual const SrsContextId& get_id();
     virtual std::string desc();
 private:
     virtual srs_error_t do_cycle();