diff --git a/README.md b/README.md
index acea7810a..a1d6e812d 100755
--- a/README.md
+++ b/README.md
@@ -140,6 +140,7 @@ Other important wiki:
 
 ## V3 changes
 
+* v3.0, 2021-05-12, Fix [#2311][bug #2311], Copy the request for stat client. 3.0.162
 * <strong>v3.0, 2021-04-28, [3.0 release5(3.0.161)][r3.0r5] released. 122750 lines.</strong>
 * v3.0, 2021-04-28, Upgrade players. 3.0.161
 * <strong>v3.0, 2021-04-24, [3.0 release4(3.0.160)][r3.0r4] released. 122750 lines.</strong>
@@ -1718,6 +1719,7 @@ Winlin
 [bug #1987]: https://github.com/ossrs/srs/issues/1987
 [bug #1548]: https://github.com/ossrs/srs/issues/1548
 [bug #1694]: https://github.com/ossrs/srs/issues/1694
+[bug #2311]: https://github.com/ossrs/srs/issues/2311
 [bug #yyyyyyyyyyyyy]: https://github.com/ossrs/srs/issues/yyyyyyyyyyyyy
 
 [exo #828]: https://github.com/google/ExoPlayer/pull/828
diff --git a/trunk/src/app/srs_app_http_stream.cpp b/trunk/src/app/srs_app_http_stream.cpp
index d28335b5c..9523010b0 100755
--- a/trunk/src/app/srs_app_http_stream.cpp
+++ b/trunk/src/app/srs_app_http_stream.cpp
@@ -938,6 +938,7 @@ srs_error_t SrsHttpStreamServer::http_mount(SrsSource* s, SrsRequest* r)
         }
         srs_trace("http: mount flv stream for sid=%s, mount=%s", sid.c_str(), mount.c_str());
     } else {
+        // The entry exists, we reuse it and update the request of stream and cache.
         entry = sflvs[sid];
         entry->stream->update(s, r);
         entry->cache->update(s, r);
diff --git a/trunk/src/app/srs_app_statistic.cpp b/trunk/src/app/srs_app_statistic.cpp
index e0f870a55..22c4f39f6 100644
--- a/trunk/src/app/srs_app_statistic.cpp
+++ b/trunk/src/app/srs_app_statistic.cpp
@@ -425,10 +425,14 @@ srs_error_t SrsStatistic::on_client(std::string id, SrsRequest* req, SrsConnecti
     
     // got client.
     client->conn = conn;
-    client->req = req;
     client->type = type;
     stream->nb_clients++;
     vhost->nb_clients++;
+
+    // The req might be freed, in such as SrsLiveStream::update, so we must copy it.
+    // @see https://github.com/ossrs/srs/issues/2311
+    srs_freep(client->req);
+    client->req = req->copy();
     
     return err;
 }
diff --git a/trunk/src/core/srs_core_version3.hpp b/trunk/src/core/srs_core_version3.hpp
index 0b1b470b1..9b683c37b 100644
--- a/trunk/src/core/srs_core_version3.hpp
+++ b/trunk/src/core/srs_core_version3.hpp
@@ -24,6 +24,6 @@
 #ifndef SRS_CORE_VERSION3_HPP
 #define SRS_CORE_VERSION3_HPP
 
-#define SRS_VERSION3_REVISION 161
+#define SRS_VERSION3_REVISION 162
 
 #endif