diff --git a/src/bakatools/logging/log.cpp b/src/bakatools/logging/log.cpp
index 09b57a2..62b96f8 100644
--- a/src/bakatools/logging/log.cpp
+++ b/src/bakatools/logging/log.cpp
@@ -9,7 +9,7 @@ namespace Bk {
 	{
 		std::vector<spdlog::sink_ptr> log_sinks;
 		log_sinks.emplace_back(std::make_shared<spdlog::sinks::stdout_color_sink_mt>());
-		log_sinks[0]->set_pattern("%^[%T] %n: %v%$");
+		log_sinks[0]->set_pattern("%^[%T] %n(thread %t)  %v%$");
 		if (file_log) 
 		{
 			log_sinks.emplace_back(std::make_shared<spdlog::sinks::basic_file_sink_mt>("bakara.log", true));
diff --git a/src/bakatools/thread/task_pool.h b/src/bakatools/thread/task_pool.h
index 785e9d4..8ce7c81 100644
--- a/src/bakatools/thread/task_pool.h
+++ b/src/bakatools/thread/task_pool.h
@@ -19,6 +19,7 @@ namespace Bk
                     threads_.emplace_back([this] {
                         while (true) {
                             std::function<void()> task;
+
                             {
                                 std::unique_lock<std::mutex> lock(queue_mutex_);
                                 cv_.wait(lock, [this] {
@@ -32,6 +33,7 @@ namespace Bk
                                 task = std::move(tasks_.front());
                                 tasks_.pop();
                             }
+
                             task();
                         }
                     });
@@ -65,6 +67,7 @@ namespace Bk
             {
                 std::unique_lock<std::mutex> lock(queue_mutex_);
                 stop_ = true;
+                cv_.notify_one();
             }
 
         private: