diff --git a/server/wsproxy/app.cc b/server/wsproxy/app.cc
index d190cad..cb769a7 100644
--- a/server/wsproxy/app.cc
+++ b/server/wsproxy/app.cc
@@ -95,7 +95,7 @@ void App::Init(int argc, char* argv[])
     a8::UdpLog::Instance()->Info("masterserver starting instance_id:%d pid:%d", {instance_id, getpid()});
     {
         int perf_log_time = 1000 * 60 * 5;
-        if (getenv("machine_type")) {
+        if (getenv("is_dev_env")) {
             perf_log_time = 1000 * 10;
         }
         a8::Timer::Instance()->AddRepeatTimer(perf_log_time,
@@ -395,7 +395,7 @@ void App::ProcessIMMsg()
 void App::InitLog()
 {
     std::string filename_fmt = PROJ_LOG_FILENAME;
-    if (getenv("machine_type")) {
+    if (getenv("is_dev_env")) {
         a8::ReplaceString(filename_fmt, "$pid", a8::XValue(0));
     } else {
         a8::ReplaceString(filename_fmt, "$pid", a8::XValue(getpid()));