diff --git a/apps/emqx_sn/src/emqx_sn.appup.src b/apps/emqx_sn/src/emqx_sn.appup.src
index caf715adc..22d2cd606 100644
--- a/apps/emqx_sn/src/emqx_sn.appup.src
+++ b/apps/emqx_sn/src/emqx_sn.appup.src
@@ -1,27 +1,14 @@
-%% -*-: erlang -*-
+%% -*- mode: erlang -*-
 {VSN,
- [
-    {"4.3.3", [
-      {load_module, emqx_sn_registry, brutal_purge, soft_purge, []}
-    ]},
-    {"4.3.2", [
-      {load_module, emqx_sn_gateway, brutal_purge, soft_purge, []},
-      {load_module, emqx_sn_registry, brutal_purge, soft_purge, []}
-    ]},
-   {<<"4\\.3\\.[0-1]">>, [
-     {restart_application, emqx_sn}
-   ]}
- ],
- [
-   {"4.3.3", [
-      {load_module, emqx_sn_registry, brutal_purge, soft_purge, []}
-   ]},
-   {"4.3.2", [
-      {load_module, emqx_sn_gateway, brutal_purge, soft_purge, []},
-      {load_module, emqx_sn_registry, brutal_purge, soft_purge, []}
-    ]},
-   {<<"4\\.3\\.[0-1]">>, [
-     {restart_application, emqx_sn}
-   ]}
- ]
-}.
+  [{"4.3.3",[{load_module,emqx_sn_registry,brutal_purge,soft_purge,[]}]},
+   {"4.3.2",
+    [{load_module,emqx_sn_gateway,brutal_purge,soft_purge,[]},
+     {load_module,emqx_sn_registry,brutal_purge,soft_purge,[]}]},
+   {<<"4\\.3\\.[0-1]">>,
+    [{restart_application,emqx_sn}]}],
+  [{"4.3.3",[{load_module,emqx_sn_registry,brutal_purge,soft_purge,[]}]},
+   {"4.3.2",
+    [{load_module,emqx_sn_gateway,brutal_purge,soft_purge,[]},
+     {load_module,emqx_sn_registry,brutal_purge,soft_purge,[]}]},
+   {<<"4\\.3\\.[0-1]">>,
+    [{restart_application,emqx_sn}]}]}.
diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index cea35e90d..456f89e6c 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -1,12 +1,15 @@
 %% -*- mode: erlang -*-
 {VSN,
   [{"4.3.11",
-    [{load_module,emqx_vm,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_connection,brutal_purge,soft_purge,[]},
+     {load_module,emqx_channel,brutal_purge,soft_purge,[]},
+     {load_module,emqx_vm,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
      {load_module,emqx_frame,brutal_purge,soft_purge,[]},
      {load_module,emqx_http_lib,brutal_purge,soft_purge,[]}]},
    {"4.3.10",
-    [{load_module,emqx_vm,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_channel,brutal_purge,soft_purge,[]},
+     {load_module,emqx_vm,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
      {load_module,emqx_http_lib,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
@@ -194,12 +197,15 @@
      {load_module,emqx_app,brutal_purge,soft_purge,[]}]},
    {<<".*">>,[]}],
   [{"4.3.11",
-    [{load_module,emqx_vm,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_connection,brutal_purge,soft_purge,[]},
+     {load_module,emqx_channel,brutal_purge,soft_purge,[]},
+     {load_module,emqx_vm,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
      {load_module,emqx_frame,brutal_purge,soft_purge,[]},
      {load_module,emqx_http_lib,brutal_purge,soft_purge,[]}]},
    {"4.3.10",
-    [{load_module,emqx_vm,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_channel,brutal_purge,soft_purge,[]},
+     {load_module,emqx_vm,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
      {load_module,emqx_http_lib,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},