diff --git a/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt.appup.src b/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt.appup.src
index 6edf6048c..9e1eda7f4 100644
--- a/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt.appup.src
+++ b/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt.appup.src
@@ -1,39 +1,29 @@
-%% -*-: erlang -*-
+%% -*- mode: erlang -*-
+%% Unless you know what you are doing, DO NOT edit manually!!
 {VSN,
-  [
-    {"4.3.4", [
-      {load_module, emqx_bridge_mqtt_actions, brutal_purge, soft_purge, []}
-    ]},
-    {"4.3.3", [
-      {load_module, emqx_bridge_mqtt, brutal_purge, soft_purge, []}
-    ]},
-    {<<"4\\.3\\.[1-2]">>, [
-      {load_module, emqx_bridge_mqtt, brutal_purge, soft_purge, []},
-      {load_module, emqx_bridge_mqtt_actions, brutal_purge, soft_purge, []}
-    ]},
-    {"4.3.0", [
-      {load_module, emqx_bridge_mqtt, brutal_purge, soft_purge, []},
-      {load_module, emqx_bridge_worker, brutal_purge, soft_purge, []},
-      {load_module, emqx_bridge_mqtt_actions, brutal_purge, soft_purge, []}
-    ]},
-    {<<".*">>, []}
-  ],
-  [
-    {"4.3.4", [
-      {load_module, emqx_bridge_mqtt_actions, brutal_purge, soft_purge, []}
-    ]},
-    {"4.3.3", [
-      {load_module, emqx_bridge_mqtt, brutal_purge, soft_purge, []}
-    ]},
-    {<<"4\\.3\\.[1-2]">>, [
-      {load_module, emqx_bridge_mqtt, brutal_purge, soft_purge, []},
-      {load_module, emqx_bridge_mqtt_actions, brutal_purge, soft_purge, []}
-    ]},
-    {"4.3.0", [
-      {load_module, emqx_bridge_mqtt, brutal_purge, soft_purge, []},
-      {load_module, emqx_bridge_worker, brutal_purge, soft_purge, []},
-      {load_module, emqx_bridge_mqtt_actions, brutal_purge, soft_purge, []}
-    ]},
-    {<<".*">>, []}
-  ]
-}.
+  [{"4.3.4",
+    [{load_module,emqx_bridge_mqtt_actions,brutal_purge,soft_purge,[]}]},
+   {"4.3.3",
+    [{load_module,emqx_bridge_mqtt_actions,brutal_purge,soft_purge,[]},
+     {load_module,emqx_bridge_mqtt,brutal_purge,soft_purge,[]}]},
+   {<<"4\\.3\\.[1-2]">>,
+    [{load_module,emqx_bridge_mqtt,brutal_purge,soft_purge,[]},
+     {load_module,emqx_bridge_mqtt_actions,brutal_purge,soft_purge,[]}]},
+   {"4.3.0",
+    [{load_module,emqx_bridge_mqtt,brutal_purge,soft_purge,[]},
+     {load_module,emqx_bridge_worker,brutal_purge,soft_purge,[]},
+     {load_module,emqx_bridge_mqtt_actions,brutal_purge,soft_purge,[]}]},
+   {<<".*">>,[]}],
+  [{"4.3.4",
+    [{load_module,emqx_bridge_mqtt_actions,brutal_purge,soft_purge,[]}]},
+   {"4.3.3",
+    [{load_module,emqx_bridge_mqtt_actions,brutal_purge,soft_purge,[]},
+     {load_module,emqx_bridge_mqtt,brutal_purge,soft_purge,[]}]},
+   {<<"4\\.3\\.[1-2]">>,
+    [{load_module,emqx_bridge_mqtt,brutal_purge,soft_purge,[]},
+     {load_module,emqx_bridge_mqtt_actions,brutal_purge,soft_purge,[]}]},
+   {"4.3.0",
+    [{load_module,emqx_bridge_mqtt,brutal_purge,soft_purge,[]},
+     {load_module,emqx_bridge_worker,brutal_purge,soft_purge,[]},
+     {load_module,emqx_bridge_mqtt_actions,brutal_purge,soft_purge,[]}]},
+   {<<".*">>,[]}]}.
diff --git a/apps/emqx_web_hook/src/emqx_web_hook.appup.src b/apps/emqx_web_hook/src/emqx_web_hook.appup.src
index a1bd558c2..4e3e28a21 100644
--- a/apps/emqx_web_hook/src/emqx_web_hook.appup.src
+++ b/apps/emqx_web_hook/src/emqx_web_hook.appup.src
@@ -1,4 +1,5 @@
 %% -*- mode: erlang -*-
+%% Unless you know what you are doing, DO NOT edit manually!!
 {VSN,
   [{<<"4\\.3\\.[0-2]">>,
     [{apply,{application,stop,[emqx_web_hook]}},
@@ -11,12 +12,10 @@
      {load_module,emqx_web_hook,brutal_purge,soft_purge,[]},
      {load_module,emqx_web_hook_actions,brutal_purge,soft_purge,[]}]},
    {"4.3.8",
-    [{load_module,emqx_web_hook,brutal_purge,soft_purge,[]}]},
-   {"4.3.9",
-    [ %% nothing so far
-      %% 4.3.9 is taken by release 4.3.12
-    ]},
-   {"4.3.10", [{load_module,emqx_web_hook_app,brutal_purge,soft_purge,[]}]},
+    [{load_module,emqx_web_hook_app,brutal_purge,soft_purge,[]},
+     {load_module,emqx_web_hook,brutal_purge,soft_purge,[]}]},
+   {"4.3.9",[{load_module,emqx_web_hook_app,brutal_purge,soft_purge,[]}]},
+   {"4.3.10",[{load_module,emqx_web_hook_app,brutal_purge,soft_purge,[]}]},
    {<<".*">>,[]}],
   [{<<"4\\.3\\.[0-2]">>,
     [{apply,{application,stop,[emqx_web_hook]}},
@@ -29,10 +28,8 @@
      {load_module,emqx_web_hook,brutal_purge,soft_purge,[]},
      {load_module,emqx_web_hook_actions,brutal_purge,soft_purge,[]}]},
    {"4.3.8",
-    [{load_module,emqx_web_hook,brutal_purge,soft_purge,[]}]},
-   {"4.3.9",
-    [ %% nothing so far
-      %% 4.3.9 is taken by release 4.3.12
-    ]},
-   {"4.3.10", [{load_module,emqx_web_hook_app,brutal_purge,soft_purge,[]}]},
+    [{load_module,emqx_web_hook_app,brutal_purge,soft_purge,[]},
+     {load_module,emqx_web_hook,brutal_purge,soft_purge,[]}]},
+   {"4.3.9",[{load_module,emqx_web_hook_app,brutal_purge,soft_purge,[]}]},
+   {"4.3.10",[{load_module,emqx_web_hook_app,brutal_purge,soft_purge,[]}]},
    {<<".*">>,[]}]}.