diff --git a/apps/iot/src/iot_app.erl b/apps/iot/src/iot_app.erl
index a647c10..c771355 100644
--- a/apps/iot/src/iot_app.erl
+++ b/apps/iot/src/iot_app.erl
@@ -20,7 +20,7 @@ start(_StartType, _StartArgs) ->
     %% 加速内存的回收
     erlang:system_flag(fullsweep_after, 16),
 
-    %start_http_server(),
+    start_http_server(),
 
     iot_sup:start_link().
 
diff --git a/rebar.lock b/rebar.lock
index 06e78cf..fc8b7b9 100644
--- a/rebar.lock
+++ b/rebar.lock
@@ -44,7 +44,7 @@
   0},
  {<<"ranch">>,
   {git,"https://github.com/ninenines/ranch",
-       {ref,"6bbc8431d513d9bbed7817bc1bcb3b17ef26cb35"}},
+       {ref,"9b8ed47d789412b0021bfc1f94f1c17c387c721c"}},
   1},
  {<<"ssl_verify_fun">>,{pkg,<<"ssl_verify_fun">>,<<"1.1.6">>},1},
  {<<"sync">>,