diff --git a/Changelist.md b/Changelist.md
index 044d0da..6ded25e 100644
--- a/Changelist.md
+++ b/Changelist.md
@@ -1,4 +1,11 @@
 
+## v2.4.18 2021.04.13
+### en
+- fix tc_thread_queue,Optimizing the swarm effect
+- fix epoll server connection close cause crash bug
+### cn
+- 修复tc_thread_queue 优化惊群效应
+- 修复epoll server 连接关闭时可能带来的crash
 # v2.4.17 2021.04.02
 ### en
 - fix tc_time bug of erase caused by timer repeat event
diff --git a/cmake/Common.cmake b/cmake/Common.cmake
index 2a10a10..cc09c57 100755
--- a/cmake/Common.cmake
+++ b/cmake/Common.cmake
@@ -1,6 +1,6 @@
 
 
-set(TARS_VERSION "2.4.17")
+set(TARS_VERSION "2.4.13")
 add_definitions(-DTARS_VERSION="${TARS_VERSION}")
 
 set(CMAKE_VERBOSE_MAKEFILE off)