diff --git a/src/emqx.app.src b/src/emqx.app.src
index 433c75326..99715d1a2 100644
--- a/src/emqx.app.src
+++ b/src/emqx.app.src
@@ -6,7 +6,7 @@
   %% the emqx `release' version, which in turn is comprised of several
   %% apps, one of which is this.  See `emqx_release.hrl' for more
   %% info.
-  {vsn, "4.3.22"}, % strict semver, bump manually!
+  {vsn, "4.3.23"}, % strict semver, bump manually!
   {modules, []},
   {registered, []},
   {applications, [ kernel
diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index 600c87d8d..8a0a2d4ff 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -1,7 +1,10 @@
 %% -*- mode: erlang -*-
 %% Unless you know what you are doing, DO NOT edit manually!!
 {VSN,
-  [{"4.3.21",
+  [{"4.3.22",
+   [{load_module,emqx,brutal_purge,soft_purge,[]},
+    {load_module,emqx_app,brutal_purge,soft_purge,[]}]},
+   {"4.3.21",
     [{load_module,emqx_alarm,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_connection,brutal_purge,soft_purge,[]},
@@ -11,7 +14,8 @@
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_ws_connection,brutal_purge,soft_purge,[]},
      {load_module,emqx_tracer,brutal_purge,soft_purge,[]},
-     {load_module,emqx_channel,brutal_purge,soft_purge,[]}]},
+     {load_module,emqx_channel,brutal_purge,soft_purge,[]},
+     {load_module,emqx,brutal_purge,soft_purge,[]}]},
    {"4.3.20",
     [{load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_router_helper,brutal_purge,soft_purge,[]},
@@ -24,7 +28,8 @@
      {load_module,emqx_channel,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_cm,brutal_purge,soft_purge,[]}]},
+     {load_module,emqx_cm,brutal_purge,soft_purge,[]},
+     {load_module,emqx,brutal_purge,soft_purge,[]}]},
    {"4.3.19",
     [{load_module,emqx_listeners,brutal_purge,soft_purge,[]},
      {load_module,emqx_router_helper,brutal_purge,soft_purge,[]},
@@ -37,6 +42,7 @@
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
+     {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]}]},
@@ -54,6 +60,7 @@
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
+     {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]}]},
    {"4.3.17",
     [{load_module,emqx_listeners,brutal_purge,soft_purge,[]},
@@ -819,7 +826,10 @@
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
      {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
    {<<".*">>,[]}],
-  [{"4.3.21",
+  [{"4.3.22",
+   [{load_module,emqx,brutal_purge,soft_purge,[]},
+    {load_module,emqx_app,brutal_purge,soft_purge,[]}]},
+   {"4.3.21",
     [{load_module,emqx_alarm,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_connection,brutal_purge,soft_purge,[]},
@@ -829,7 +839,8 @@
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_ws_connection,brutal_purge,soft_purge,[]},
      {load_module,emqx_tracer,brutal_purge,soft_purge,[]},
-     {load_module,emqx_channel,brutal_purge,soft_purge,[]}]},
+     {load_module,emqx_channel,brutal_purge,soft_purge,[]},
+     {load_module,emqx,brutal_purge,soft_purge,[]}]},
    {"4.3.20",
     [{load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_router_helper,brutal_purge,soft_purge,[]},
@@ -842,7 +853,8 @@
      {load_module,emqx_channel,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_cm,brutal_purge,soft_purge,[]}]},
+     {load_module,emqx_cm,brutal_purge,soft_purge,[]},
+     {load_module,emqx,brutal_purge,soft_purge,[]}]},
    {"4.3.19",
     [{load_module,emqx_listeners,brutal_purge,soft_purge,[]},
      {load_module,emqx_router_helper,brutal_purge,soft_purge,[]},
@@ -855,6 +867,7 @@
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
+     {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]}]},
@@ -872,6 +885,7 @@
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
+     {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]}]},
    {"4.3.17",
     [{load_module,emqx_listeners,brutal_purge,soft_purge,[]},
diff --git a/src/emqx.erl b/src/emqx.erl
index 469a4672b..4892fa6cc 100644
--- a/src/emqx.erl
+++ b/src/emqx.erl
@@ -228,6 +228,7 @@ shutdown() ->
 
 shutdown(Reason) ->
     ?LOG(critical, "emqx shutdown for ~s", [Reason]),
+    on_shutdown_hook(Reason),
     _ = emqx_plugins:unload(),
     lists:foreach(fun application:stop/1
                  , lists:reverse(default_started_applications())
@@ -238,10 +239,12 @@ reboot() ->
         true ->
             _ = application:stop(emqx_dashboard), %% dashboard must be started after mnesia
             lists:foreach(fun application:start/1 , default_started_applications()),
-            application:start(emqx_dashboard);
+            _ = application:start(emqx_dashboard),
+            on_reboot_hooks();
 
         false ->
-            lists:foreach(fun application:start/1 , default_started_applications())
+            lists:foreach(fun application:start/1 , default_started_applications()),
+            on_reboot_hooks()
     end.
 
 is_application_running(App) ->
@@ -256,6 +259,32 @@ default_started_applications() ->
     [gproc, esockd, ranch, cowboy, ekka, emqx, emqx_modules].
 -endif.
 
+-ifdef(EMQX_ENTERPRISE).
+on_reboot_hooks() ->
+    try
+        _ = emqx_license_api:bootstrap_license(),
+        ok
+    catch
+        Kind:Reason:Stack ->
+            ?LOG(critical, "~p while rebooting: ~p, ~p", [Kind, Reason, Stack]),
+            ok
+    end,
+    ok.
+
+on_shutdown_hook(join) ->
+    emqx_modules:sync_load_modules_file(),
+    ok;
+on_shutdown_hook(_) ->
+    ok.
+
+-else.
+on_reboot_hooks() ->
+    ok.
+
+on_shutdown_hook(_) ->
+    ok.
+-endif.
+
 %%--------------------------------------------------------------------
 %% Internal functions
 %%--------------------------------------------------------------------