diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 38b90fb063..fa2e55d408 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -8,6 +8,7 @@ The changelog for SRS.
 
 ## SRS 6.0 Changelog
 
+* v6.0, 2023-01-19, Merge [#3318](https://github.com/ossrs/srs/pull/3318): RTC: fix rtc publisher pli cid. v6.0.19 (#3318)
 * v6.0, 2023-01-18, Merge [#3382](https://github.com/ossrs/srs/pull/3382): Rewrite research/api-server code by Go, remove Python. v6.0.18 (#3382)
 * v6.0, 2023-01-18, Merge [#3386](https://github.com/ossrs/srs/pull/3386): SRT: fix crash when srt_to_rtmp off. v6.0.17 (#3386)
 * v5.0, 2023-01-17, Merge [#3385](https://github.com/ossrs/srs/pull/3385): API: Support server/pid/service label for exporter and api. v6.0.16 (#3385)
@@ -32,6 +33,7 @@ The changelog for SRS.
 
 ## SRS 5.0 Changelog
 
+* v5.0, 2023-01-19, Merge [#3318](https://github.com/ossrs/srs/pull/3318): RTC: fix rtc publisher pli cid. v5.0.138 (#3318)
 * v5.0, 2023-01-18, Merge [#3382](https://github.com/ossrs/srs/pull/3382): Rewrite research/api-server code by Go, remove Python. v5.0.137 (#3382)
 * v5.0, 2023-01-18, Merge [#3386](https://github.com/ossrs/srs/pull/3386): SRT: fix crash when srt_to_rtmp off. v5.0.136 (#3386)
 * v5.0, 2023-01-17, Merge [#3385](https://github.com/ossrs/srs/pull/3385): API: Support server/pid/service label for exporter and api. v5.0.135 (#3385)
diff --git a/trunk/src/app/srs_app_rtc_conn.cpp b/trunk/src/app/srs_app_rtc_conn.cpp
index 8757067740..b26dfa16a2 100644
--- a/trunk/src/app/srs_app_rtc_conn.cpp
+++ b/trunk/src/app/srs_app_rtc_conn.cpp
@@ -912,7 +912,7 @@ srs_error_t SrsRtcPlayStream::do_request_keyframe(uint32_t ssrc, SrsContextId ci
         return err;
     }
 
-    publisher->request_keyframe(ssrc);
+    publisher->request_keyframe(ssrc, cid);
 
     return err;
 }
@@ -1611,15 +1611,14 @@ srs_error_t SrsRtcPublishStream::on_rtcp_xr(SrsRtcpXr* rtcp)
     return err;
 }
 
-void SrsRtcPublishStream::request_keyframe(uint32_t ssrc)
+void SrsRtcPublishStream::request_keyframe(uint32_t ssrc, SrsContextId cid)
 {
-    SrsContextId sub_cid = _srs_context->get_id();
-    pli_worker_->request_keyframe(ssrc, sub_cid);
+    pli_worker_->request_keyframe(ssrc, cid);
 	
     uint32_t nn = 0;
     if (pli_epp->can_print(ssrc, &nn)) {
         // The player(subscriber) cid, which requires PLI.
-        srs_trace("RTC: Need PLI ssrc=%u, play=[%s], publish=[%s], count=%u/%u", ssrc, sub_cid.c_str(),
+        srs_trace("RTC: Need PLI ssrc=%u, play=[%s], publish=[%s], count=%u/%u", ssrc, cid.c_str(),
             cid_.c_str(), nn, pli_epp->nn_count);
     }
 }
diff --git a/trunk/src/app/srs_app_rtc_conn.hpp b/trunk/src/app/srs_app_rtc_conn.hpp
index a2ad43064b..e47ba6f015 100644
--- a/trunk/src/app/srs_app_rtc_conn.hpp
+++ b/trunk/src/app/srs_app_rtc_conn.hpp
@@ -384,7 +384,7 @@ class SrsRtcPublishStream : public ISrsRtspPacketDecodeHandler
     srs_error_t on_rtcp_sr(SrsRtcpSR* rtcp);
     srs_error_t on_rtcp_xr(SrsRtcpXr* rtcp);
 public:
-    void request_keyframe(uint32_t ssrc);
+    void request_keyframe(uint32_t ssrc, SrsContextId cid);
     virtual srs_error_t do_request_keyframe(uint32_t ssrc, SrsContextId cid);
 public:
     void simulate_nack_drop(int nn);
diff --git a/trunk/src/app/srs_app_rtc_source.cpp b/trunk/src/app/srs_app_rtc_source.cpp
index 3a06f6de69..f18b9518eb 100644
--- a/trunk/src/app/srs_app_rtc_source.cpp
+++ b/trunk/src/app/srs_app_rtc_source.cpp
@@ -703,7 +703,8 @@ srs_error_t SrsRtcSource::on_timer(srs_utime_t interval)
 
     for (int i = 0; i < (int)stream_desc_->video_track_descs_.size(); i++) {
         SrsRtcTrackDescription* desc = stream_desc_->video_track_descs_.at(i);
-        publish_stream_->request_keyframe(desc->ssrc_);
+        srs_trace("RTC: to rtmp bridge request key frame, ssrc=%u, publisher cid=%s", desc->ssrc_, publish_stream_->context_id().c_str());
+        publish_stream_->request_keyframe(desc->ssrc_, publish_stream_->context_id());
     }
 
     return err;
diff --git a/trunk/src/app/srs_app_rtc_source.hpp b/trunk/src/app/srs_app_rtc_source.hpp
index c1c2e628ca..7f702ff2e2 100644
--- a/trunk/src/app/srs_app_rtc_source.hpp
+++ b/trunk/src/app/srs_app_rtc_source.hpp
@@ -128,7 +128,9 @@ class ISrsRtcPublishStream
     virtual ~ISrsRtcPublishStream();
 public:
     // Request keyframe(PLI) from publisher, for fresh consumer.
-    virtual void request_keyframe(uint32_t ssrc) = 0;
+    virtual void request_keyframe(uint32_t ssrc, SrsContextId cid) = 0;
+    // Get context id.
+    virtual const SrsContextId& context_id() = 0;
 };
 
 class ISrsRtcSourceEventHandler
diff --git a/trunk/src/core/srs_core_version5.hpp b/trunk/src/core/srs_core_version5.hpp
index 74139f7bf2..3d48b023a4 100644
--- a/trunk/src/core/srs_core_version5.hpp
+++ b/trunk/src/core/srs_core_version5.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       5
 #define VERSION_MINOR       0
-#define VERSION_REVISION    137
+#define VERSION_REVISION    138
 
 #endif
diff --git a/trunk/src/core/srs_core_version6.hpp b/trunk/src/core/srs_core_version6.hpp
index 2077a0c74a..30f596cade 100644
--- a/trunk/src/core/srs_core_version6.hpp
+++ b/trunk/src/core/srs_core_version6.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       6
 #define VERSION_MINOR       0
-#define VERSION_REVISION    18
+#define VERSION_REVISION    19
 
 #endif