diff --git a/apps/emqx_rule_engine/src/emqx_rule_engine.appup.src b/apps/emqx_rule_engine/src/emqx_rule_engine.appup.src
index ed783047d..cbd15a5eb 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_engine.appup.src
+++ b/apps/emqx_rule_engine/src/emqx_rule_engine.appup.src
@@ -4,6 +4,7 @@
   [{"4.3.16",
     [{load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
+     {load_module,emqx_rule_metrics,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine_api,brutal_purge,soft_purge,[]}]},
    {"4.3.15",
     [{load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
@@ -218,6 +219,7 @@
   [{"4.3.16",
     [{load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
+     {load_module,emqx_rule_metrics,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine_api,brutal_purge,soft_purge,[]}]},
    {"4.3.15",
     [{load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
diff --git a/apps/emqx_rule_engine/src/emqx_rule_metrics.erl b/apps/emqx_rule_engine/src/emqx_rule_metrics.erl
index e4c539164..414fc15e0 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_metrics.erl
+++ b/apps/emqx_rule_engine/src/emqx_rule_metrics.erl
@@ -500,11 +500,10 @@ calculate_speed(CurrVal, #rule_speed{max = MaxSpeed0, last_v = LastVal,
                 last5m_smpl = Last5MinSamples, tick = Tick + 1}.
 
 format_rule_speed(#rule_speed{max = Max, current = Current, last5m = Last5Min}) ->
-    #{max => Max, current => precision(Current, 2), last5m => precision(Last5Min, 2)}.
+    #{max => round2(Max), current => round2(Current), last5m => round2(Last5Min)}.
 
-precision(Float, N) ->
-    Base = math:pow(10, N),
-    round(Float * Base) / Base.
+round2(Float) ->
+    round(Float * 100) / 100.
 
 %%------------------------------------------------------------------------------
 %% Metrics Definitions