diff --git a/apps/emqx_auth_jwt/src/emqx_auth_jwt.app.src b/apps/emqx_auth_jwt/src/emqx_auth_jwt.app.src
index 8db4ffe84..7ec03e92d 100644
--- a/apps/emqx_auth_jwt/src/emqx_auth_jwt.app.src
+++ b/apps/emqx_auth_jwt/src/emqx_auth_jwt.app.src
@@ -1,6 +1,6 @@
 {application, emqx_auth_jwt,
  [{description, "EMQ X Authentication with JWT"},
-  {vsn, "4.3.1"}, % strict semver, bump manually!
+  {vsn, "4.3.2"}, % strict semver, bump manually!
   {modules, []},
   {registered, [emqx_auth_jwt_sup]},
   {applications, [kernel,stdlib,jose]},
diff --git a/apps/emqx_auth_jwt/src/emqx_auth_jwt.appup.src b/apps/emqx_auth_jwt/src/emqx_auth_jwt.appup.src
index b9831bb6f..1332ed53f 100644
--- a/apps/emqx_auth_jwt/src/emqx_auth_jwt.appup.src
+++ b/apps/emqx_auth_jwt/src/emqx_auth_jwt.appup.src
@@ -1,13 +1,13 @@
 %% -*-: erlang -*-
 {VSN,
  [
-    {"4.3.0", [
+    {"4.3.[0-1]", [
       {load_module, emqx_auth_jwt_svr, brutal_purge, soft_purge, []}
     ]},
     {<<".*">>, []}
  ],
  [
-    {"4.3.0", [
+    {"4.3.[0-1]", [
       {load_module, emqx_auth_jwt_svr, brutal_purge, soft_purge, []}
     ]},
     {<<".*">>, []}
diff --git a/apps/emqx_auth_jwt/src/emqx_auth_jwt_svr.erl b/apps/emqx_auth_jwt/src/emqx_auth_jwt_svr.erl
index b9d19bf57..f34cde783 100644
--- a/apps/emqx_auth_jwt/src/emqx_auth_jwt_svr.erl
+++ b/apps/emqx_auth_jwt/src/emqx_auth_jwt_svr.erl
@@ -91,7 +91,7 @@ do_init_jwks(Options) ->
                                   [K, V, Reason]),
                              undefined;
                          J -> J
-                     catch T:R:_ ->
+                     catch T:R ->
                          ?LOG(warning, "Build ~p JWK ~p failed: {~p, ~p}~n",
                               [K, V, T, R]),
                          undefined
diff --git a/apps/emqx_exhook/src/emqx_exhook_server.erl b/apps/emqx_exhook/src/emqx_exhook_server.erl
index c4be91d07..d3953ade7 100644
--- a/apps/emqx_exhook/src/emqx_exhook_server.erl
+++ b/apps/emqx_exhook/src/emqx_exhook_server.erl
@@ -175,7 +175,7 @@ resovle_hookspec(HookSpecs) when is_list(HookSpecs) ->
         case maps:get(name, HookSpec, undefined) of
             undefined -> Acc;
             Name0 ->
-                Name = try binary_to_existing_atom(Name0, utf8) catch T:R:_ -> {T,R} end,
+                Name = try binary_to_existing_atom(Name0, utf8) catch T:R -> {T,R} end,
                 case lists:member(Name, AvailableHooks) of
                     true ->
                         case lists:member(Name, MessageHooks) of
diff --git a/src/emqx_limiter.erl b/src/emqx_limiter.erl
index 1cca7140b..9a13e78f4 100644
--- a/src/emqx_limiter.erl
+++ b/src/emqx_limiter.erl
@@ -159,7 +159,7 @@ update_overall_limiter(Zone, Capacity, Interval) ->
     try
         esockd_limiter:update({Zone, overall_messages_routing}, Capacity, Interval),
         true
-    catch _:_:_ ->
+    catch _:_ ->
         false
     end.
 
@@ -167,6 +167,6 @@ delete_overall_limiter(Zone) ->
     try
         esockd_limiter:delete({Zone, overall_messages_routing}),
         true
-    catch _:_:_ ->
+    catch _:_ ->
         false
     end.