diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index b1560a5e90..c2f761b3c8 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -8,6 +8,7 @@ The changelog for SRS.
 
 ## SRS 4.0 Changelog
 
+* v4.0, 2021-10-25, Merge [#2692](https://github.com/ossrs/srs/pull/2692): API: Add server_id into http_hooks. v4.0.185
 * v4.0, 2021-10-22, Merge [#2687](https://github.com/ossrs/srs/pull/2687): API: Always stat client event if auth fail. v4.0.183
 * v4.0, 2021-10-20, Merge [#1758](https://github.com/ossrs/srs/pull/1758): JSON: Support escape special chars. v4.0.182
 * v4.0, 2021-10-19, Merge [#1754](https://github.com/ossrs/srs/pull/1754): RTMP: If port is explicity set to 0, use default 1935. v4.0.181
diff --git a/trunk/src/app/srs_app_http_hooks.cpp b/trunk/src/app/srs_app_http_hooks.cpp
index 180bca26c2..58ff8276d0 100644
--- a/trunk/src/app/srs_app_http_hooks.cpp
+++ b/trunk/src/app/srs_app_http_hooks.cpp
@@ -45,10 +45,13 @@ srs_error_t SrsHttpHooks::on_connect(string url, SrsRequest* req)
     srs_error_t err = srs_success;
     
     SrsContextId cid = _srs_context->get_id();
+
+    SrsStatistic* stat = SrsStatistic::instance();
     
     SrsJsonObject* obj = SrsJsonAny::object();
     SrsAutoFree(SrsJsonObject, obj);
     
+    obj->set("server_id", SrsJsonAny::str(stat->server_id().c_str()));
     obj->set("action", SrsJsonAny::str("on_connect"));
     obj->set("client_id", SrsJsonAny::str(cid.c_str()));
     obj->set("ip", SrsJsonAny::str(req->ip.c_str()));
diff --git a/trunk/src/core/srs_core_version4.hpp b/trunk/src/core/srs_core_version4.hpp
index f204ddfb6a..d52bf231fe 100644
--- a/trunk/src/core/srs_core_version4.hpp
+++ b/trunk/src/core/srs_core_version4.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       4
 #define VERSION_MINOR       0
-#define VERSION_REVISION    184
+#define VERSION_REVISION    185
 
 #endif