diff --git a/client/main.cpp b/client/main.cpp
index d6e7714..5e7519d 100644
--- a/client/main.cpp
+++ b/client/main.cpp
@@ -11,7 +11,7 @@ void init_logger()
     // auto rotating_sink = std::make_shared<spdlog::sinks::rotating_file_sink_mt>("log-sim_us.txt", 1024 * 1024 * 10,
     // 3);
     std::vector<spdlog::sink_ptr> sinks{stdout_sink /*, rotating_sink*/};
-    auto logger = std::make_shared<spdlog::async_logger>("sim_us", sinks.begin(), sinks.end(), spdlog::thread_pool(),
+    auto logger = std::make_shared<spdlog::async_logger>("unisim_cpp", sinks.begin(), sinks.end(), spdlog::thread_pool(),
                                                          spdlog::async_overflow_policy::block);
     spdlog::set_default_logger(logger);
     spdlog::set_pattern("[%H:%M:%S %z] [%^---%L---%$] %s:%# %!: %v");
@@ -23,7 +23,7 @@ int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
     QCommandLineParser parser;
-    parser.setApplicationDescription("sim-us client");
+    parser.setApplicationDescription("unisim_cpp client");
     parser.addHelpOption();
 
     QCommandLineOption hostOption(QStringList() << "s"
diff --git a/server/main.cpp b/server/main.cpp
index 9384306..4158348 100644
--- a/server/main.cpp
+++ b/server/main.cpp
@@ -15,7 +15,7 @@ void init_logger()
     // auto rotating_sink = std::make_shared<spdlog::sinks::rotating_file_sink_mt>("log-sim_us.txt", 1024 * 1024 * 10,
     // 3);
     std::vector<spdlog::sink_ptr> sinks{stdout_sink /*, rotating_sink*/};
-    auto logger = std::make_shared<spdlog::async_logger>("sim_us", sinks.begin(), sinks.end(), spdlog::thread_pool(),
+    auto logger = std::make_shared<spdlog::async_logger>("unisim_cpp", sinks.begin(), sinks.end(), spdlog::thread_pool(),
                                                          spdlog::async_overflow_policy::block);
     spdlog::set_default_logger(logger);
     spdlog::set_pattern("[%H:%M:%S %z] [%^---%L---%$] %s:%# %!: %v");
@@ -28,7 +28,7 @@ int main(int argc, char *argv[])
     QCoreApplication a(argc, argv);
 
     QCommandLineParser parser;
-    parser.setApplicationDescription("Unisim server");
+    parser.setApplicationDescription("unisim_cpp server");
     parser.addHelpOption();
 
     QCommandLineOption port_option(QStringList() << "p"