diff --git a/server/imserver/app.cc b/server/imserver/app.cc
index 738fe2f..6337a1b 100644
--- a/server/imserver/app.cc
+++ b/server/imserver/app.cc
@@ -51,43 +51,6 @@ struct IMMsgNode
 const char* const PROJ_LOG_ROOT_FMT = "/data/logs/%s/logs";
 const char* const PROJ_LOG_FILENAME_FMT = "log_$pid_%Y%m%d.log";
 
-static void SavePerfLog()
-{
-    a8::UdpLog::Instance()->Info(" max_run_delay_time:%d max_timer_idle:%d "
-                                 "in_data_size:%d out_data_size:%d msgnode_size:%d read_count:%d max_login_time:%d "
-                                 "max_join_time:%d",
-                                 {
-                                     PerfMonitor::Instance()->max_run_delay_time,
-                                     PerfMonitor::Instance()->max_timer_idle,
-                                     PerfMonitor::Instance()->in_data_size,
-                                     PerfMonitor::Instance()->out_data_size,
-                                     App::Instance()->msgnode_size_,
-                                     PerfMonitor::Instance()->read_count,
-                                     PerfMonitor::Instance()->max_login_time,
-                                     PerfMonitor::Instance()->max_join_time,
-                                  });
-    a8::UdpLog::Instance()->Info(" run_times:%d timer_times:%d event_times:%d free_times:%d "
-                                 " shutdown_times:%d connect_times:%d close_times:%d "
-                                 " send_times:%d recv_times:%d error_times:%d immsg_times:%d",
-                                 {
-                                  (long long)a8::IoLoop::Instance()->run_times,
-                                  (long long)a8::IoLoop::Instance()->timer_times,
-                                  (long long)a8::IoLoop::Instance()->event_times,
-                                  (long long)a8::IoLoop::Instance()->free_times,
-                                  (long long)a8::IoLoop::Instance()->shutdown_times,
-                                  (long long)a8::IoLoop::Instance()->connect_times,
-                                  (long long)a8::IoLoop::Instance()->close_times,
-                                  (long long)a8::IoLoop::Instance()->send_times,
-                                  (long long)a8::IoLoop::Instance()->recv_times,
-                                  (long long)a8::IoLoop::Instance()->error_times,
-                                  (long long)a8::IoLoop::Instance()->immsg_times
-                                 });
-    PerfMonitor::Instance()->max_run_delay_time = 0;
-    PerfMonitor::Instance()->max_timer_idle = 0;
-    PerfMonitor::Instance()->max_login_time = 0;
-    PerfMonitor::Instance()->max_join_time = 0;
-}
-
 bool App::Init(int argc, char* argv[])
 {
     signal(SIGPIPE, SIG_IGN);
@@ -134,18 +97,6 @@ bool App::Init(int argc, char* argv[])
                                   instance_id,
                                   getpid(),
                                  });
-    {
-        int perf_log_time = 1000 * 60 * 5;
-        if (getenv("is_dev_env")) {
-            perf_log_time = 1000 * 10;
-        }
-        a8::Timer::Instance()->AddRepeatTimer(perf_log_time,
-                                              a8::XParams(),
-                                              [] (const a8::XParams& param)
-                                              {
-                                                  SavePerfLog();
-                                              });
-    }
     if (HasFlag(1)) {
         a8::Timer::Instance()->AddDeadLineTimer(
                                                 1000 * 60,
@@ -189,14 +140,10 @@ void App::UnInit()
 
     FreeSocketMsgQueue();
     FreeIMMsgQueue();
-    delete im_msg_mutex_;
-    im_msg_mutex_ = nullptr;
-    delete msg_mutex_;
-    msg_mutex_ = nullptr;
-    delete loop_cond_;
-    loop_cond_ = nullptr;
-    delete loop_mutex_;
-    loop_mutex_ = nullptr;
+    A8_SAFE_DELETE(im_msg_mutex_);
+    A8_SAFE_DELETE(msg_mutex_);
+    A8_SAFE_DELETE(loop_cond_);
+    A8_SAFE_DELETE(loop_mutex_);
     a8::XPrintf("friend_imserver terminated instance_id:%d pid:%d\n", {instance_id, getpid()});
 }
 
diff --git a/server/imserver/perfmonitor.cc b/server/imserver/perfmonitor.cc
index 3f77e1a..fcb6245 100644
--- a/server/imserver/perfmonitor.cc
+++ b/server/imserver/perfmonitor.cc
@@ -1,10 +1,59 @@
 #include "precompile.h"
 
+#include <a8/timer.h>
+#include <a8/ioloop.h>
+
 #include "perfmonitor.h"
+#include "app.h"
+
+static void SavePerfLog()
+{
+    a8::UdpLog::Instance()->Info(" max_run_delay_time:%d max_timer_idle:%d "
+                                 "in_data_size:%d out_data_size:%d msgnode_size:%d read_count:%d max_login_time:%d "
+                                 "max_join_time:%d",
+                                 {
+                                     PerfMonitor::Instance()->max_run_delay_time,
+                                     PerfMonitor::Instance()->max_timer_idle,
+                                     PerfMonitor::Instance()->in_data_size,
+                                     PerfMonitor::Instance()->out_data_size,
+                                     App::Instance()->msgnode_size_,
+                                     PerfMonitor::Instance()->read_count,
+                                     PerfMonitor::Instance()->max_login_time,
+                                     PerfMonitor::Instance()->max_join_time,
+                                  });
+    a8::UdpLog::Instance()->Info(" run_times:%d timer_times:%d event_times:%d free_times:%d "
+                                 " shutdown_times:%d connect_times:%d close_times:%d "
+                                 " send_times:%d recv_times:%d error_times:%d immsg_times:%d",
+                                 {
+                                  (long long)a8::IoLoop::Instance()->run_times,
+                                  (long long)a8::IoLoop::Instance()->timer_times,
+                                  (long long)a8::IoLoop::Instance()->event_times,
+                                  (long long)a8::IoLoop::Instance()->free_times,
+                                  (long long)a8::IoLoop::Instance()->shutdown_times,
+                                  (long long)a8::IoLoop::Instance()->connect_times,
+                                  (long long)a8::IoLoop::Instance()->close_times,
+                                  (long long)a8::IoLoop::Instance()->send_times,
+                                  (long long)a8::IoLoop::Instance()->recv_times,
+                                  (long long)a8::IoLoop::Instance()->error_times,
+                                  (long long)a8::IoLoop::Instance()->immsg_times
+                                 });
+    PerfMonitor::Instance()->max_run_delay_time = 0;
+    PerfMonitor::Instance()->max_timer_idle = 0;
+    PerfMonitor::Instance()->max_login_time = 0;
+    PerfMonitor::Instance()->max_join_time = 0;
+}
 
 void PerfMonitor::Init()
 {
-
+    {
+        int perf_log_time = 1000 * 60 * 5;
+        a8::Timer::Instance()->AddRepeatTimer(perf_log_time,
+                                              a8::XParams(),
+                                              [] (const a8::XParams& param)
+                                              {
+                                                  SavePerfLog();
+                                              });
+    }
 }
 
 void PerfMonitor::UnInit()