diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index be224aa5c..027f4273b 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -2,18 +2,21 @@
 {VSN,
   [
    {"4.3.6", [
-     {load_module,emqx_app,brutal_purge,soft_purge,[]}
+     {load_module,emqx_app,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
     ]},
    {"4.3.5", [
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
-     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]}
+     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
     ]},
    {"4.3.4", [
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
-     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]}
+     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
     ]},
    {"4.3.3", [
      {load_module,emqx_packet,brutal_purge,soft_purge,[]},
@@ -21,7 +24,8 @@
      {load_module,emqx_ws_connection,brutal_purge,soft_purge,[]},
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
-     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]}
+     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
     ]},
    {"4.3.2", [
      {load_module,emqx_packet,brutal_purge,soft_purge,[]},
@@ -32,7 +36,8 @@
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_connection,brutal_purge,soft_purge,[]},
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
-     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]}
+     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
     ]},
    {"4.3.1", [
      {load_module,emqx_packet,brutal_purge,soft_purge,[]},
@@ -48,7 +53,8 @@
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_logger_textfmt,brutal_purge,soft_purge,[]},
      {load_module,emqx_http_lib,brutal_purge,soft_purge,[]},
-     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]}
+     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
    ]},
    {"4.3.0", [
      {load_module,emqx_packet,brutal_purge,soft_purge,[]},
@@ -68,23 +74,27 @@
      {load_module,emqx_metrics,brutal_purge,soft_purge,[]},
      {apply,{emqx_metrics,upgrade_retained_delayed_counter_type,[]}},
      {load_module,emqx_http_lib,brutal_purge,soft_purge,[]},
-     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]}
+     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
    ]},
    {<<".*">>,[]}],
   [
    {"4.3.6", [
-     {load_module,emqx_app,brutal_purge,soft_purge,[]}
+     {load_module,emqx_app,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
     ]},
    {"4.3.5", [
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
-     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]}
+     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
     ]},
    {"4.3.4", [
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
-     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]}
+     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
     ]},
    {"4.3.3", [
      {load_module,emqx_packet,brutal_purge,soft_purge,[]},
@@ -92,7 +102,8 @@
      {load_module,emqx_ws_connection,brutal_purge,soft_purge,[]},
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
-     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]}
+     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
     ]},
    {"4.3.2", [
      {load_module,emqx_packet,brutal_purge,soft_purge,[]},
@@ -103,7 +114,8 @@
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_connection,brutal_purge,soft_purge,[]},
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
-     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]}
+     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
     ]},
    {"4.3.1", [
      {load_module,emqx_packet,brutal_purge,soft_purge,[]},
@@ -119,7 +131,8 @@
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_logger_textfmt,brutal_purge,soft_purge,[]},
      {load_module,emqx_http_lib,brutal_purge,soft_purge,[]},
-     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]}
+     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
    ]},
    {"4.3.0", [
      {load_module,emqx_packet,brutal_purge,soft_purge,[]},
@@ -138,6 +151,7 @@
      {load_module,emqx_logger_textfmt,brutal_purge,soft_purge,[]},
      {load_module,emqx_metrics,brutal_purge,soft_purge,[]},
      {load_module,emqx_http_lib,brutal_purge,soft_purge,[]},
-     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]}
+     {load_module,emqx_access_rule,brutal_purge,soft_purge,[]},
+     {load_module,emqx_ctl,brutal_purge,soft_purge,[]}
    ]},
    {<<".*">>,[]}]}.
diff --git a/src/emqx_ctl.erl b/src/emqx_ctl.erl
index 84aa54de6..79616e631 100644
--- a/src/emqx_ctl.erl
+++ b/src/emqx_ctl.erl
@@ -137,11 +137,11 @@ help() ->
 
 -spec(print(io:format()) -> ok).
 print(Msg) ->
-    io:format(format(Msg)).
+    io:format("~s", [format(Msg)]).
 
 -spec(print(io:format(), [term()]) -> ok).
 print(Format, Args) ->
-    io:format(format(Format, Args)).
+    io:format("~s", [format(Format, Args)]).
 
 -spec(usage([cmd_usage()]) -> ok).
 usage(UsageList) ->
@@ -231,4 +231,3 @@ zip_cmd([X | Xs], [Y | Ys]) -> [{X, Y} | zip_cmd(Xs, Ys)];
 zip_cmd([X | Xs], []) -> [{X, ""} | zip_cmd(Xs, [])];
 zip_cmd([], [Y | Ys]) -> [{"", Y} | zip_cmd([], Ys)];
 zip_cmd([], []) -> [].
-
diff --git a/test/emqx_ctl_SUITE.erl b/test/emqx_ctl_SUITE.erl
index 4f8224871..8466cf7b0 100644
--- a/test/emqx_ctl_SUITE.erl
+++ b/test/emqx_ctl_SUITE.erl
@@ -67,10 +67,12 @@ t_run_commands(_) ->
 t_print(_) ->
     ok = emqx_ctl:print("help"),
     ok = emqx_ctl:print("~s", [help]),
+    ok = emqx_ctl:print("~s", [<<"~!@#$%^&*()">>]),
     % - check the output of the usage
     mock_print(),
-    ?assertEqual("help", emqx_ctl:print("help")),
+    ?assertEqual("help~n", emqx_ctl:print("help~n")),
     ?assertEqual("help", emqx_ctl:print("~s", [help])),
+    ?assertEqual("~!@#$%^&*()", emqx_ctl:print("~s", [<<"~!@#$%^&*()">>])),
     unmock_print().
 
 t_usage(_) ->