diff --git a/apps/emqx_dashboard/etc/emqx_dashboard.conf b/apps/emqx_dashboard/etc/emqx_dashboard.conf
index e5a15b515..0fb0184fe 100644
--- a/apps/emqx_dashboard/etc/emqx_dashboard.conf
+++ b/apps/emqx_dashboard/etc/emqx_dashboard.conf
@@ -6,7 +6,7 @@ dashboard {
     default_username = "admin"
     default_password = "public"
     ## notice: sample_interval should be divisible by 60.
-    ## as like 1s, 2s, 3s, 5s, 10s, 12s, 15s, 20s, 30s, 60s
+    ## like 1s, 2s, 3s, 5s, 10s, 12s, 15s, 20s, 30s, 60s
     sample_interval = 10s
     ## api jwt timeout. default is 30 minute
     token_expired_time = 60m
diff --git a/apps/emqx_dashboard/src/emqx_dashboard.erl b/apps/emqx_dashboard/src/emqx_dashboard.erl
index a6fadc014..8e618cb0e 100644
--- a/apps/emqx_dashboard/src/emqx_dashboard.erl
+++ b/apps/emqx_dashboard/src/emqx_dashboard.erl
@@ -92,12 +92,11 @@ stop_listeners() ->
 %% internal
 
 apps() ->
-    [emqx_dashboard].
-    % [App || {App, _, _} <- application:loaded_applications(),
-    %     case re:run(atom_to_list(App), "^emqx") of
-    %         {match,[{0,4}]} -> true;
-    %         _ -> false
-    %     end].
+    [App || {App, _, _} <- application:loaded_applications(),
+        case re:run(atom_to_list(App), "^emqx") of
+            {match,[{0,4}]} -> true;
+            _ -> false
+        end].
 
 listeners() ->
     [begin