diff --git a/apps/dimension_apn/src/dimension_apn_pusher.erl b/apps/dimension_apn/src/dimension_apn_pusher.erl
index 0be37c2..216f061 100644
--- a/apps/dimension_apn/src/dimension_apn_pusher.erl
+++ b/apps/dimension_apn/src/dimension_apn_pusher.erl
@@ -62,7 +62,10 @@ start_link() ->
     {stop, Reason :: term()} | ignore).
 init([]) ->
     Size = get_pool_size(),
-    TaskPids = lists:map(fun(_) -> dimension_task:start_link() end, lists:seq(1, Size)),
+    TaskPids = lists:map(fun(_) ->
+        {ok, Pid} = dimension_task:start_link(),
+        Pid
+                         end, lists:seq(1, Size)),
     lager:debug("[dimension_apn_pusher] pool_size: ~p, task_pids: ~p", [Size, TaskPids]),
 
     {ok, #state{task_pids = TaskPids}}.
diff --git a/config/sys.config b/config/sys.config
index 4991834..4ac78bb 100644
--- a/config/sys.config
+++ b/config/sys.config
@@ -12,7 +12,7 @@
         {pools, [
             %% 推送设置
             {apns_pool,
-                [{size, 10}, {max_overflow, 20}, {worker_module, dimension_apn_worker}],
+                [{size, 1}, {max_overflow, 2}, {worker_module, dimension_apn_worker}],
                 [
                     {connection_opts, [
                         {apple_host, "api.sandbox.push.apple.com"},