diff --git a/src/try_engine/event/app_event/event.hpp b/src/try_engine/event/app_event/event.hpp
index 4857903..98aa03f 100644
--- a/src/try_engine/event/app_event/event.hpp
+++ b/src/try_engine/event/app_event/event.hpp
@@ -18,20 +18,20 @@ namespace try_engine::app_event
 
       void execute(std::any type, std::any value)
       {
-        for (const auto layer : l_stack)
-        {
-          std::thread th {
-            [=]() {
-              layer->on_event(type, value);
-            }
-          };
-          th.detach();
-        }
+        // for (const auto layer : l_stack)
+        // {
+        //   std::thread th {
+        //     [=]() {
+        //       layer->on_event(type, value);
+        //     }
+        //   };
+        //   th.detach();
+        // }
 
-        // tbb::parallel_for(tbb::blocked_range<int>(0, l_stack.size()), [&](tbb::blocked_range<int> r) {
-        //   for (int i = r.begin(); i < r.end(); ++i)
-        //     l_stack[i]->on_event(type, value);
-        // });
+        tbb::parallel_for(tbb::blocked_range<int>(0, l_stack.size()), [&](tbb::blocked_range<int> r) {
+          for (int i = r.begin(); i < r.end(); ++i)
+            l_stack[i]->on_event(type, value);
+        });
       }
       
       void print_size();