diff --git a/bcos-boostssl/websocket/WsService.cpp b/bcos-boostssl/websocket/WsService.cpp
index d413f9d..3c2c0e1 100644
--- a/bcos-boostssl/websocket/WsService.cpp
+++ b/bcos-boostssl/websocket/WsService.cpp
@@ -137,21 +137,24 @@ void WsService::stop()
     }
     m_running = false;
 
-    // stop ioc thread
-    if (m_ioservicePool)
-    {
-        m_ioservicePool->stop();
-    }
-
     if (m_statTimer)
     {
         m_statTimer->stop();
     }
+    if (m_timerFactory)
+    {
+        m_timerFactory.reset();
+    }
 
     if (m_reconnectTimer)
     {
         m_reconnectTimer->stop();
     }
+    // stop ioc thread
+    if (m_ioservicePool)
+    {
+        m_ioservicePool->stop();
+    }
 
     WEBSOCKET_SERVICE(INFO) << LOG_BADGE("stop") << LOG_DESC("stop websocket service successfully");
 }
@@ -309,7 +312,7 @@ void WsService::reconnect()
         {
             std::string connectedEndPoint = peer.detail();
             auto session = getSession(connectedEndPoint);
-            if (session)
+            if (session && session->isConnected())
             {
                 continue;
             }
diff --git a/cmake/CompilerSettings.cmake b/cmake/CompilerSettings.cmake
index 71def24..428b596 100644
--- a/cmake/CompilerSettings.cmake
+++ b/cmake/CompilerSettings.cmake
@@ -83,11 +83,16 @@ if (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" MA
 
     option(USE_LD_GOLD "Use GNU gold linker" ON)
     if (USE_LD_GOLD)
-        execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
-        if ("${LD_VERSION}" MATCHES "GNU gold")
-            set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold")
-            set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fuse-ld=gold")
-        endif ()
+        if("${LINKER}" MATCHES "gold")
+            execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
+            if("${LD_VERSION}" MATCHES "GNU gold")
+                set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold")
+                set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fuse-ld=gold")
+            endif()
+        elseif("${LINKER}" MATCHES "mold")
+            set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=mold")
+            set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fuse-ld=mold")
+        endif()
     endif ()
 
     # Additional GCC-specific compiler settings.