diff --git a/README.md b/README.md
index c742f1c37..7d6db85d9 100755
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 [![](https://opencollective.com/srs-server/tiers/badge.svg)](https://opencollective.com/srs-server)
 [![](https://img.shields.io/docker/pulls/ossrs/srs)](https://hub.docker.com/r/ossrs/srs/tags)
 
-SRS/6.0 ([Hang](https://ossrs.io/lts/en-us/product#release-60)) is a simple, high-efficiency, and real-time video server, 
+SRS/7.0 ([Kai](https://ossrs.io/lts/en-us/product#release-70)) is a simple, high-efficiency, and real-time video server, 
 supporting RTMP/WebRTC/HLS/HTTP-FLV/SRT/MPEG-DASH/GB28181, Linux/Windows/macOS, X86_64/ARMv7/AARCH64/M1/RISCV/LOONGARCH/MIPS, 
 and essential [features](trunk/doc/Features.md#features).
 
diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 346fa5348..b5877f066 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -7,6 +7,7 @@ The changelog for SRS.
 <a name="v7-changes"></a>
 
 ## SRS 7.0 Changelog
+* v7.0, 2025-06-04, Merge [#4368](https://github.com/ossrs/srs/pull/4368): Update the codename for version 7.0 to "Kai". v7.0.39 (#4368)
 * v7.0, 2025-06-01, Merge [#4366](https://github.com/ossrs/srs/pull/4366): Script: Use clang-format to unify the coding style. v7.0.38 (#4366)
 * v7.0, 2025-05-29, Merge [#4356](https://github.com/ossrs/srs/pull/4356): RTMP: Use extended timestamp as delta when chunk fmt=1/2. v7.0.37 (#4356)
 * v7.0, 2025-05-29, Merge [#4363](https://github.com/ossrs/srs/pull/4363): Fix error about TestRtcPublish_HttpFlvPlay. v7.0.36 (#4363)
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index 80df78f3d..0972d7ee4 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -20,7 +20,7 @@
 
 // The project informations, may sent to client in HTTP header or RTMP metadata.
 #define RTMP_SIG_SRS_KEY "SRS"
-#define RTMP_SIG_SRS_CODE "Hang"
+#define RTMP_SIG_SRS_CODE "Kai"
 #define RTMP_SIG_SRS_URL "https://github.com/ossrs/srs"
 #define RTMP_SIG_SRS_LICENSE "MIT"
 #define SRS_CONSTRIBUTORS "https://github.com/ossrs/srs/blob/develop/trunk/AUTHORS.md#contributors"
diff --git a/trunk/src/core/srs_core_version7.hpp b/trunk/src/core/srs_core_version7.hpp
index ab0fb882e..0a4879982 100644
--- a/trunk/src/core/srs_core_version7.hpp
+++ b/trunk/src/core/srs_core_version7.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       7
 #define VERSION_MINOR       0
-#define VERSION_REVISION    38
+#define VERSION_REVISION    39
 
 #endif
\ No newline at end of file