diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 0f28a0f13..3523c51b6 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -8,6 +8,7 @@ The changelog for SRS.
 
 ## SRS 5.0 Changelog
 
+* v5.0, 2022-11-21, Merge [#3264](https://github.com/ossrs/srs/pull/3264): Asan: Try to fix st_memory_leak for asan check. (#3264). v5.0.91
 * v5.0, 2022-11-21, Asan: Fix global ip address leak check. v5.0.90
 * v5.0, 2022-11-20, For [#2532](https://github.com/ossrs/srs/issues/2532): Windows: Support cygwin pipline and packager. v5.0.89
 * v5.0, 2022-11-18, Fix [#3215](https://github.com/ossrs/srs/issues/3215): Callback: Fix bug for response string 0. v5.0.88
diff --git a/trunk/src/app/srs_app_hybrid.cpp b/trunk/src/app/srs_app_hybrid.cpp
index d3bf71e31..929baf901 100644
--- a/trunk/src/app/srs_app_hybrid.cpp
+++ b/trunk/src/app/srs_app_hybrid.cpp
@@ -235,6 +235,8 @@ void SrsHybridServer::stop()
         ISrsHybridServer* server = *it;
         server->stop();
     }
+
+    srs_st_destroy();
 }
 
 SrsServerAdapter* SrsHybridServer::srs()
diff --git a/trunk/src/core/srs_core_version5.hpp b/trunk/src/core/srs_core_version5.hpp
index 8046fffd3..aaa88046c 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    90
+#define VERSION_REVISION    91
 
 #endif
diff --git a/trunk/src/protocol/srs_protocol_st.cpp b/trunk/src/protocol/srs_protocol_st.cpp
index 36fcb13dd..a1f9ec9ac 100644
--- a/trunk/src/protocol/srs_protocol_st.cpp
+++ b/trunk/src/protocol/srs_protocol_st.cpp
@@ -76,6 +76,11 @@ srs_error_t srs_st_init()
     return srs_success;
 }
 
+void srs_st_destroy(void)
+{
+    st_destroy();
+}
+
 void srs_close_stfd(srs_netfd_t& stfd)
 {
     if (stfd) {
diff --git a/trunk/src/protocol/srs_protocol_st.hpp b/trunk/src/protocol/srs_protocol_st.hpp
index cd4c8f215..8295c8b75 100644
--- a/trunk/src/protocol/srs_protocol_st.hpp
+++ b/trunk/src/protocol/srs_protocol_st.hpp
@@ -20,8 +20,10 @@ typedef void* srs_thread_t;
 typedef void* srs_cond_t;
 typedef void* srs_mutex_t;
 
-// Initialize st, requires epoll.
+// Initialize ST, requires epoll for linux.
 extern srs_error_t srs_st_init();
+// Destroy ST, free resources for asan detecting.
+extern void srs_st_destroy(void);
 
 // Close the netfd, and close the underlayer fd.
 // @remark when close, user must ensure io completed.