diff --git a/trunk/auto/modules.sh b/trunk/auto/modules.sh
index 66607f5c3..cffc0d9ba 100755
--- a/trunk/auto/modules.sh
+++ b/trunk/auto/modules.sh
@@ -1,4 +1,5 @@
-# generate the module info to Makefile
+#
+# Generate the module(in src, not modules) info to Makefile
 #
 # params:
 #     $SRS_OBJS the objs directory to store the Makefile. ie. ./objs
diff --git a/trunk/auto/reset_module.sh b/trunk/auto/reset_module.sh
new file mode 100644
index 000000000..bc443040b
--- /dev/null
+++ b/trunk/auto/reset_module.sh
@@ -0,0 +1,7 @@
+
+# Reset all variables for config of modules.
+SRS_MODULE_NAME=()
+SRS_MODULE_MAIN=()
+SRS_MODULE_APP=()
+SRS_MODULE_DEFINES=""
+
diff --git a/trunk/configure b/trunk/configure
index c4ebeb7cf..6d6ca4a11 100755
--- a/trunk/configure
+++ b/trunk/configure
@@ -57,14 +57,11 @@ __mfiles=`find modules -name "config"` && for __mfile in $__mfiles; do
 done
 
 # variables for makefile for all modules.
-__mphonys="" && __mdefaults="" && __mcleanups="" && __makefiles=""
+__mphonys="" && __mdefaults="" && __mcleanups=""
 # add each modules for application
 for SRS_MODULE in ${SRS_MODULES[*]}; do
     echo "install module at: $SRS_MODULE"
-    . $SRS_MODULE/config
-    if [[ $SRS_MODULE_MAKEFILE != "" ]]; then
-        __makefiles="$__makefiles $SRS_MODULE_MAKEFILE"
-    fi
+    . auto/reset_module.sh && . $SRS_MODULE/config
     if [[ 0 -ne ${#SRS_MODULE_MAIN[@]} ]]; then
         __mphonys="$__mphonys $SRS_MODULE_NAME"
         __mdefaults="$__mdefaults $SRS_MODULE_NAME"
@@ -299,7 +296,7 @@ fi
 DEFINES=""
 # add each modules for app
 for SRS_MODULE in ${SRS_MODULES[*]}; do
-    . $SRS_MODULE/config
+    . auto/reset_module.sh && . $SRS_MODULE/config
     MODULE_FILES+=("${SRS_MODULE_APP[*]}")
     DEFINES="${DEFINES} ${SRS_MODULE_DEFINES}"
 done
@@ -328,7 +325,7 @@ SERVER_OBJS="${MODULE_OBJS[@]}"
 #
 #Main Module, for app from modules.
 MODULE_ID="MAIN"
-MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL")
+MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "APP")
 ModuleLibIncs=(${SRS_OBJS_DIR} ${LibSTRoot} ${LibGperfRoot} ${LibSSLRoot})
 if [[ $SRS_RTC == YES ]]; then
     ModuleLibIncs+=(${LibSrtpRoot})
@@ -340,7 +337,7 @@ MODULE_FILES=()
 DEFINES=""
 # add each modules for main
 for SRS_MODULE in ${SRS_MODULES[*]}; do
-    . $SRS_MODULE/config
+    . auto/reset_module.sh && . $SRS_MODULE/config
     MODULE_FILES+=("${SRS_MODULE_MAIN[*]}")
     DEFINES="${DEFINES} ${SRS_MODULE_DEFINES}"
 done
@@ -354,7 +351,7 @@ MAIN_OBJS="${MODULE_OBJS[@]}"
 # all main entrances
 MAIN_ENTRANCES=("srs_main_server")
 for SRS_MODULE in ${SRS_MODULES[*]}; do
-    . $SRS_MODULE/config
+    . auto/reset_module.sh && . $SRS_MODULE/config
     MAIN_ENTRANCES+=("${SRS_MODULE_MAIN[*]}")
 done
 #
@@ -389,8 +386,8 @@ LINK_OPTIONS="${SrsLinkOptions}${SrsGprofLink}${SrsGperfLink}"
 # srs: srs(simple rtmp server) over st(state-threads)
 BUILD_KEY="srs" APP_MAIN="srs_main_server" APP_NAME="srs" . auto/apps.sh
 #
-# For modules, without the app module.
-MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${PROTOCOL_OBJS[@]} ${MAIN_OBJS[@]}"
+# For modules, with the app module.
+MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${PROTOCOL_OBJS[@]} ${APP_OBJS[@]} ${MAIN_OBJS[@]}"
 ModuleLibFiles=(${LibSTfile} ${LibSSLfile} ${LibGperfFile})
 if [[ $SRS_RTC == YES ]]; then
     ModuleLibFiles+=(${LibSrtpFile})
@@ -400,7 +397,7 @@ if [[ $SRS_FFMPEG_FIT == YES ]]; then
 fi
 #
 for SRS_MODULE in ${SRS_MODULES[*]}; do
-    . $SRS_MODULE/config
+    . auto/reset_module.sh && . $SRS_MODULE/config
     # no SRS_MODULE_MAIN
     if [[ 0 -eq ${#SRS_MODULE_MAIN[@]} ]]; then continue; fi
     BUILD_KEY="$SRS_MODULE_NAME" APP_MAIN="${SRS_MODULE_MAIN[0]}" APP_NAME="$SRS_MODULE_NAME" . auto/apps.sh
@@ -473,7 +470,7 @@ END
 
 # the real entry for all platform:
 cat << END >> ${SRS_WORKDIR}/${SRS_MAKEFILE}
-_default: server srs_ingest_hls utest __modules $__mdefaults
+_default: server srs_ingest_hls utest $__mdefaults
 	@bash objs/_srs_build_summary.sh
 
 help:
@@ -556,14 +553,6 @@ ffmpeg:
 
 END
 
-# for Makefile of all modules.
-# depends on server, for some modules maybe use srs files.
-echo "__modules: server" >> ${SRS_WORKDIR}/${SRS_MAKEFILE}
-for MMF in ${__makefiles[*]}; do
-    echo "	\$(MAKE) -f $MMF" >> ${SRS_WORKDIR}/${SRS_MAKEFILE}
-done
-echo "" >> ${SRS_WORKDIR}/${SRS_MAKEFILE}
-
 cat << END >> ${SRS_WORKDIR}/${SRS_MAKEFILE}
 server: _prepare_dir
 	@echo "Build the SRS server"
@@ -572,7 +561,7 @@ server: _prepare_dir
 END
 # generate all modules entry
 for SRS_MODULE in ${SRS_MODULES[*]}; do
-    . $SRS_MODULE/config
+    . auto/reset_module.sh && . $SRS_MODULE/config
     cat << END >> ${SRS_WORKDIR}/${SRS_MAKEFILE}
 $SRS_MODULE_NAME: _prepare_dir server
 	@echo "Build the $SRS_MODULE_NAME over SRS"
diff --git a/trunk/modules/hls-ingester/config b/trunk/modules/hls-ingester/config
index eda6a1363..57c803ba8 100644
--- a/trunk/modules/hls-ingester/config
+++ b/trunk/modules/hls-ingester/config
@@ -4,4 +4,3 @@ SRS_MODULE_NAME=("srs_hls_ingester")
 SRS_MODULE_MAIN=("srs_main_ingest_hls")
 SRS_MODULE_APP=()
 SRS_MODULE_DEFINES=""
-SRS_MODULE_MAKEFILE=""
diff --git a/trunk/modules/mp4-parser/config b/trunk/modules/mp4-parser/config
index 7f9adfd66..5b2719545 100644
--- a/trunk/modules/mp4-parser/config
+++ b/trunk/modules/mp4-parser/config
@@ -4,4 +4,3 @@ SRS_MODULE_NAME=("srs_mp4_parser")
 SRS_MODULE_MAIN=("srs_main_mp4_parser")
 SRS_MODULE_APP=()
 SRS_MODULE_DEFINES=""
-SRS_MODULE_MAKEFILE=""
diff --git a/trunk/modules/readme.txt b/trunk/modules/readme.txt
index 32d7891f0..b0f161ab6 100644
--- a/trunk/modules/readme.txt
+++ b/trunk/modules/readme.txt
@@ -1,5 +1,6 @@
-SRS Module Rules(SRS模块规则)
-1. Each module in its seperate home directory(一个模块一个目录).
+
+SRS Application Module Rules(SRS应用模块规则)
+1. Each module in its isolate home directory(一个模块一个目录).
 2. There is a config file in home(目录下放一个config文件).
 3. All variables in configure are available(所有的configure中的变量模块中可以使用).
 
@@ -8,20 +9,12 @@ The Variables in config(模块中需要定义变量，例如):
 2. SRS_MODULE_MAIN：The source file in src/main directory, optional. (模块的main函数所在的cpp文件，在src/main目录。模块在main的文件。可以为空。)
 3. SRS_MODULE_APP：The source file in src/app directory, optional. (模块在src/app目录的源文件列表。模块在app的文件。可以为空。)
 4. SRS_MODULE_DEFINES: The extra defined macros, optional. (模块编译时的额外宏定义。在app和main模块加入。可以为空。)
-5. SRS_MODULE_MAKEFILE: The specified Makefile, optional. (模块的Makefile。在make时会执行这个Makefile。可以为空。)
 
-Reset all Variables at the beginning(在配置开头必须清空这些变量):
-SRS_MODULE_NAME=()
-SRS_MODULE_MAIN=()
-SRS_MODULE_APP=()
-SRS_MODULE_DEFINES=""
-SRS_MODULE_MAKEFILE=""
-
-For example(下面是一个实例):
+For example(下面是一个RTMFP服务器实例):
 SRS_MODULE_NAME=("srs_rtmfpd")
 SRS_MODULE_MAIN=("srs_main_rtmfpd")
 SRS_MODULE_APP=("srs_app_rtfmpd")
 SRS_MODULE_DEFINES="-DRTMFPD"
-SRS_MODULE_MAKEFILE="modules/rtmfpd/Makefile"
 
-winlin, 2015.3
+Winlin, 2015.3
+
diff --git a/trunk/src/app/srs_app_hourglass.cpp b/trunk/src/app/srs_app_hourglass.cpp
index 5ebadd1ec..95ccfdd40 100644
--- a/trunk/src/app/srs_app_hourglass.cpp
+++ b/trunk/src/app/srs_app_hourglass.cpp
@@ -27,11 +27,22 @@ using namespace std;
 
 #include <srs_kernel_error.hpp>
 #include <srs_kernel_log.hpp>
+#include <srs_kernel_utility.hpp>
 
 #include <srs_protocol_kbps.hpp>
 
 SrsPps* _srs_pps_timer = new SrsPps();
 
+extern SrsPps* _srs_pps_clock_15ms;
+extern SrsPps* _srs_pps_clock_20ms;
+extern SrsPps* _srs_pps_clock_25ms;
+extern SrsPps* _srs_pps_clock_30ms;
+extern SrsPps* _srs_pps_clock_35ms;
+extern SrsPps* _srs_pps_clock_40ms;
+extern SrsPps* _srs_pps_clock_80ms;
+extern SrsPps* _srs_pps_clock_160ms;
+extern SrsPps* _srs_pps_timer_s;
+
 ISrsHourGlass::ISrsHourGlass()
 {
 }
@@ -89,6 +100,14 @@ srs_error_t SrsHourGlass::tick(int event, srs_utime_t interval)
     return err;
 }
 
+void SrsHourGlass::untick(int event)
+{
+    map<int, srs_utime_t>::iterator it = ticks.find(event);
+    if (it != ticks.end()) {
+        ticks.erase(it);
+    }
+}
+
 srs_error_t SrsHourGlass::cycle()
 {
     srs_error_t err = srs_success;
@@ -119,3 +138,128 @@ srs_error_t SrsHourGlass::cycle()
     
     return err;
 }
+
+ISrsFastTimer::ISrsFastTimer()
+{
+}
+
+ISrsFastTimer::~ISrsFastTimer()
+{
+}
+
+SrsFastTimer::SrsFastTimer(std::string label, srs_utime_t resolution)
+{
+    timer_ = new SrsHourGlass(label, this, resolution);
+}
+
+SrsFastTimer::~SrsFastTimer()
+{
+    srs_freep(timer_);
+}
+
+srs_error_t SrsFastTimer::start()
+{
+    srs_error_t err = srs_success;
+
+    if ((err = timer_->start()) != srs_success) {
+        return srs_error_wrap(err, "start timer");
+    }
+
+    return err;
+}
+
+void SrsFastTimer::subscribe(srs_utime_t interval, ISrsFastTimer* timer)
+{
+    static int g_event = 0;
+
+    int event = g_event++;
+
+    // TODO: FIXME: Error leak. Change tick to void in future.
+    timer_->tick(event, interval);
+
+    handlers_[event] = timer;
+}
+
+void SrsFastTimer::unsubscribe(ISrsFastTimer* timer)
+{
+    for (map<int, ISrsFastTimer*>::iterator it = handlers_.begin(); it != handlers_.end();) {
+        if (it->second != timer) {
+            ++it;
+            continue;
+        }
+
+        handlers_.erase(it++);
+
+        int event = it->first;
+        timer_->untick(event);
+    }
+}
+
+srs_error_t SrsFastTimer::notify(int event, srs_utime_t interval, srs_utime_t tick)
+{
+    srs_error_t err = srs_success;
+
+    for (map<int, ISrsFastTimer*>::iterator it = handlers_.begin(); it != handlers_.end(); ++it) {
+        ISrsFastTimer* timer = it->second;
+
+        if (event != it->first) {
+            continue;
+        }
+
+        if ((err = timer->on_timer(interval, tick)) != srs_success) {
+            return srs_error_wrap(err, "tick for event=%d, interval=%dms, tick=%dms",
+                event, srsu2msi(interval), srsu2msi(tick));
+        }
+
+        break;
+    }
+
+    return err;
+}
+
+SrsClockWallMonitor::SrsClockWallMonitor()
+{
+}
+
+SrsClockWallMonitor::~SrsClockWallMonitor()
+{
+}
+
+srs_error_t SrsClockWallMonitor::on_timer(srs_utime_t interval, srs_utime_t tick)
+{
+    srs_error_t err = srs_success;
+
+    static srs_utime_t clock = 0;
+
+    srs_utime_t now = srs_update_system_time();
+    if (!clock) {
+        clock = now;
+        return err;
+    }
+
+    srs_utime_t elapsed = now - clock;
+    clock = now;
+
+    if (elapsed <= 15 * SRS_UTIME_MILLISECONDS) {
+        ++_srs_pps_clock_15ms->sugar;
+    } else if (elapsed <= 21 * SRS_UTIME_MILLISECONDS) {
+        ++_srs_pps_clock_20ms->sugar;
+    } else if (elapsed <= 25 * SRS_UTIME_MILLISECONDS) {
+        ++_srs_pps_clock_25ms->sugar;
+    } else if (elapsed <= 30 * SRS_UTIME_MILLISECONDS) {
+        ++_srs_pps_clock_30ms->sugar;
+    } else if (elapsed <= 35 * SRS_UTIME_MILLISECONDS) {
+        ++_srs_pps_clock_35ms->sugar;
+    } else if (elapsed <= 40 * SRS_UTIME_MILLISECONDS) {
+        ++_srs_pps_clock_40ms->sugar;
+    } else if (elapsed <= 80 * SRS_UTIME_MILLISECONDS) {
+        ++_srs_pps_clock_80ms->sugar;
+    } else if (elapsed <= 160 * SRS_UTIME_MILLISECONDS) {
+        ++_srs_pps_clock_160ms->sugar;
+    } else {
+        ++_srs_pps_timer_s->sugar;
+    }
+
+    return err;
+}
+
diff --git a/trunk/src/app/srs_app_hourglass.hpp b/trunk/src/app/srs_app_hourglass.hpp
index 82b3ccf8f..d0b11c024 100644
--- a/trunk/src/app/srs_app_hourglass.hpp
+++ b/trunk/src/app/srs_app_hourglass.hpp
@@ -68,7 +68,7 @@ public:
 //
 //      // The hg will create a thread for timer.
 //      hg->start();
-class SrsHourGlass : virtual public ISrsCoroutineHandler
+class SrsHourGlass : public ISrsCoroutineHandler
 {
 private:
     std::string label_;
@@ -97,10 +97,55 @@ public:
     // @param interval the interval in srs_utime_t of tick.
     virtual srs_error_t tick(srs_utime_t interval);
     virtual srs_error_t tick(int event, srs_utime_t interval);
+    // Remove the tick by event.
+    void untick(int event);
 public:
     // Cycle the hourglass, which will sleep resolution every time.
     // and call handler when ticked.
     virtual srs_error_t cycle();
 };
 
+// The handler for fast timer.
+class ISrsFastTimer
+{
+public:
+    ISrsFastTimer();
+    virtual ~ISrsFastTimer();
+public:
+    // Tick when timer is active.
+    virtual srs_error_t on_timer(srs_utime_t interval, srs_utime_t tick) = 0;
+};
+
+// The fast timer, shared by objects, for high performance.
+// For example, we should never start a timer for each connection or publisher or player,
+// instead, we should start only one fast timer in server.
+class SrsFastTimer : public ISrsHourGlass
+{
+private:
+    SrsHourGlass* timer_;
+    std::map<int, ISrsFastTimer*> handlers_;
+public:
+    SrsFastTimer(std::string label, srs_utime_t resolution);
+    virtual ~SrsFastTimer();
+public:
+    srs_error_t start();
+public:
+    void subscribe(srs_utime_t interval, ISrsFastTimer* timer);
+    void unsubscribe(ISrsFastTimer* timer);
+// Interface ISrsHourGlass
+private:
+    virtual srs_error_t notify(int event, srs_utime_t interval, srs_utime_t tick);
+};
+
+// To monitor the system wall clock timer deviation.
+class SrsClockWallMonitor : public ISrsFastTimer
+{
+public:
+    SrsClockWallMonitor();
+    virtual ~SrsClockWallMonitor();
+// interface ISrsFastTimer
+private:
+    srs_error_t on_timer(srs_utime_t interval, srs_utime_t tick);
+};
+
 #endif
diff --git a/trunk/src/app/srs_app_hybrid.cpp b/trunk/src/app/srs_app_hybrid.cpp
index 6569d3f0b..7d691448e 100644
--- a/trunk/src/app/srs_app_hybrid.cpp
+++ b/trunk/src/app/srs_app_hybrid.cpp
@@ -139,11 +139,18 @@ ISrsHybridServer::~ISrsHybridServer()
 
 SrsHybridServer::SrsHybridServer()
 {
+    // Note that the timer depends on other global variables,
+    // so we MUST never create it in constructor.
     timer_ = NULL;
+
+    clock_monitor_ = new SrsClockWallMonitor();
 }
 
 SrsHybridServer::~SrsHybridServer()
 {
+    srs_freep(clock_monitor_);
+    srs_freep(timer_);
+
     vector<ISrsHybridServer*>::iterator it;
     for (it = servers.begin(); it != servers.end(); ++it) {
         ISrsHybridServer* server = *it;
@@ -166,10 +173,20 @@ srs_error_t SrsHybridServer::initialize()
         return srs_error_wrap(err, "initialize st failed");
     }
 
-    if ((err = setup_ticks()) != srs_success) {
-        return srs_error_wrap(err, "tick");
+    // Create global shared timer.
+    timer_ = new SrsFastTimer("hybrid", 20 * SRS_UTIME_MILLISECONDS);
+
+    // Start the timer first.
+    if ((err = timer_->start()) != srs_success) {
+        return srs_error_wrap(err, "start timer");
     }
 
+    // The hybrid server start a timer, do routines of hybrid server.
+    timer_->subscribe(5 * SRS_UTIME_SECONDS, this);
+
+    // A monitor to check the clock wall deviation, per clock tick.
+    timer_->subscribe(20 * SRS_UTIME_MILLISECONDS, clock_monitor_);
+
     vector<ISrsHybridServer*>::iterator it;
     for (it = servers.begin(); it != servers.end(); ++it) {
         ISrsHybridServer* server = *it;
@@ -220,67 +237,15 @@ SrsServerAdapter* SrsHybridServer::srs()
     return NULL;
 }
 
-srs_error_t SrsHybridServer::setup_ticks()
+SrsFastTimer* SrsHybridServer::timer()
 {
-    srs_error_t err = srs_success;
-
-    // Start timer for system global works.
-    timer_ = new SrsHourGlass("hybrid", this, 20 * SRS_UTIME_MILLISECONDS);
-
-    if ((err = timer_->tick(1, 20 * SRS_UTIME_MILLISECONDS)) != srs_success) {
-        return srs_error_wrap(err, "tick");
-    }
-
-    if ((err = timer_->tick(2, 5 * SRS_UTIME_SECONDS)) != srs_success) {
-        return srs_error_wrap(err, "tick");
-    }
-
-    if ((err = timer_->start()) != srs_success) {
-        return srs_error_wrap(err, "start");
-    }
-
-    return err;
+    return timer_;
 }
 
-srs_error_t SrsHybridServer::notify(int event, srs_utime_t interval, srs_utime_t tick)
+srs_error_t SrsHybridServer::on_timer(srs_utime_t interval, srs_utime_t tick)
 {
     srs_error_t err = srs_success;
 
-    // Update system wall clock.
-    if (event == 1) {
-        static srs_utime_t clock = 0;
-
-        srs_utime_t now = srs_update_system_time();
-        if (!clock) {
-            clock = now;
-            return err;
-        }
-
-        srs_utime_t elapsed = now - clock;
-        clock = now;
-
-        if (elapsed <= 15 * SRS_UTIME_MILLISECONDS) {
-            ++_srs_pps_clock_15ms->sugar;
-        } else if (elapsed <= 21 * SRS_UTIME_MILLISECONDS) {
-            ++_srs_pps_clock_20ms->sugar;
-        } else if (elapsed <= 25 * SRS_UTIME_MILLISECONDS) {
-            ++_srs_pps_clock_25ms->sugar;
-        } else if (elapsed <= 30 * SRS_UTIME_MILLISECONDS) {
-            ++_srs_pps_clock_30ms->sugar;
-        } else if (elapsed <= 35 * SRS_UTIME_MILLISECONDS) {
-            ++_srs_pps_clock_35ms->sugar;
-        } else if (elapsed <= 40 * SRS_UTIME_MILLISECONDS) {
-            ++_srs_pps_clock_40ms->sugar;
-        } else if (elapsed <= 80 * SRS_UTIME_MILLISECONDS) {
-            ++_srs_pps_clock_80ms->sugar;
-        } else if (elapsed <= 160 * SRS_UTIME_MILLISECONDS) {
-            ++_srs_pps_clock_160ms->sugar;
-        } else {
-            ++_srs_pps_timer_s->sugar;
-        }
-        return err;
-    }
-
     // Show statistics for RTC server.
     SrsProcSelfStat* u = srs_get_self_proc_stat();
     // Resident Set Size: number of pages the process has in real memory.
diff --git a/trunk/src/app/srs_app_hybrid.hpp b/trunk/src/app/srs_app_hybrid.hpp
index 88241622b..77b774b6c 100644
--- a/trunk/src/app/srs_app_hybrid.hpp
+++ b/trunk/src/app/srs_app_hybrid.hpp
@@ -49,11 +49,12 @@ public:
 };
 
 // The hybrid server manager.
-class SrsHybridServer : public ISrsHourGlass
+class SrsHybridServer : public ISrsFastTimer
 {
 private:
     std::vector<ISrsHybridServer*> servers;
-    SrsHourGlass* timer_;
+    SrsFastTimer* timer_;
+    SrsClockWallMonitor* clock_monitor_;
 public:
     SrsHybridServer();
     virtual ~SrsHybridServer();
@@ -65,10 +66,10 @@ public:
     virtual void stop();
 public:
     virtual SrsServerAdapter* srs();
-// interface ISrsHourGlass
+    SrsFastTimer* timer();
+// interface ISrsFastTimer
 private:
-    virtual srs_error_t setup_ticks();
-    virtual srs_error_t notify(int event, srs_utime_t interval, srs_utime_t tick);
+    srs_error_t on_timer(srs_utime_t interval, srs_utime_t tick);
 };
 
 extern SrsHybridServer* _srs_hybrid;
diff --git a/trunk/src/app/srs_app_rtc_server.cpp b/trunk/src/app/srs_app_rtc_server.cpp
index 311da5050..4ba4e6ff4 100644
--- a/trunk/src/app/srs_app_rtc_server.cpp
+++ b/trunk/src/app/srs_app_rtc_server.cpp
@@ -247,7 +247,6 @@ SrsRtcServer::SrsRtcServer()
 {
     handler = NULL;
     hijacker = NULL;
-    timer = new SrsHourGlass("server", this, 1 * SRS_UTIME_SECONDS);
 
     _srs_config->subscribe(this);
 }
@@ -256,8 +255,6 @@ SrsRtcServer::~SrsRtcServer()
 {
     _srs_config->unsubscribe(this);
 
-    srs_freep(timer);
-
     if (true) {
         vector<SrsUdpMuxListener*>::iterator it;
         for (it = listeners.begin(); it != listeners.end(); ++it) {
@@ -271,14 +268,10 @@ srs_error_t SrsRtcServer::initialize()
 {
     srs_error_t err = srs_success;
 
-    if ((err = timer->tick(5 * SRS_UTIME_SECONDS)) != srs_success) {
-        return srs_error_wrap(err, "hourglass tick");
-    }
-
-    if ((err = timer->start()) != srs_success) {
-        return srs_error_wrap(err, "start timer");
-    }
+    // The RTC server start a timer, do routines of RTC server.
+    _srs_hybrid->timer()->subscribe(5 * SRS_UTIME_SECONDS, this);
 
+    // Initialize the black hole.
     if ((err = _srs_blackhole->initialize()) != srs_success) {
         return srs_error_wrap(err, "black hole");
     }
@@ -630,7 +623,7 @@ SrsRtcConnection* SrsRtcServer::find_session_by_username(const std::string& user
     return dynamic_cast<SrsRtcConnection*>(conn);
 }
 
-srs_error_t SrsRtcServer::notify(int type, srs_utime_t interval, srs_utime_t tick)
+srs_error_t SrsRtcServer::on_timer(srs_utime_t interval, srs_utime_t tick)
 {
     srs_error_t err = srs_success;
 
diff --git a/trunk/src/app/srs_app_rtc_server.hpp b/trunk/src/app/srs_app_rtc_server.hpp
index 16aa12857..075b9d1ed 100644
--- a/trunk/src/app/srs_app_rtc_server.hpp
+++ b/trunk/src/app/srs_app_rtc_server.hpp
@@ -85,10 +85,9 @@ public:
 };
 
 // The RTC server instance, listen UDP port, handle UDP packet, manage RTC connections.
-class SrsRtcServer : virtual public ISrsUdpMuxHandler, virtual public ISrsHourGlass, virtual public ISrsReloadHandler
+class SrsRtcServer : public ISrsUdpMuxHandler, public ISrsFastTimer, public ISrsReloadHandler
 {
 private:
-    SrsHourGlass* timer;
     std::vector<SrsUdpMuxListener*> listeners;
     ISrsRtcServerHandler* handler;
     ISrsRtcServerHijacker* hijacker;
@@ -124,9 +123,9 @@ private:
     );
 public:
     SrsRtcConnection* find_session_by_username(const std::string& ufrag);
-// interface ISrsHourGlass
-public:
-    virtual srs_error_t notify(int type, srs_utime_t interval, srs_utime_t tick);
+// interface ISrsFastTimer
+private:
+    srs_error_t on_timer(srs_utime_t interval, srs_utime_t tick);
 };
 
 // The RTC server adapter.
diff --git a/trunk/src/main/srs_main_ingest_hls.cpp b/trunk/src/main/srs_main_ingest_hls.cpp
index 8bacabb45..cbc69119b 100644
--- a/trunk/src/main/srs_main_ingest_hls.cpp
+++ b/trunk/src/main/srs_main_ingest_hls.cpp
@@ -46,6 +46,7 @@ using namespace std;
 #include <srs_service_http_conn.hpp>
 #include <srs_service_rtmp_conn.hpp>
 #include <srs_service_utility.hpp>
+#include <srs_app_config.hpp>
 
 // pre-declare
 srs_error_t proxy_hls2rtmp(std::string hls, std::string rtmp);
@@ -54,6 +55,9 @@ srs_error_t proxy_hls2rtmp(std::string hls, std::string rtmp);
 ISrsLog* _srs_log = new SrsConsoleLog(SrsLogLevelTrace, false);
 ISrsContext* _srs_context = new SrsThreadContext();
 
+// @global config object for app module.
+SrsConfig* _srs_config = new SrsConfig();
+
 /**
  * main entrance.
  */
diff --git a/trunk/src/main/srs_main_mp4_parser.cpp b/trunk/src/main/srs_main_mp4_parser.cpp
index 5ce205fb5..d9ecc36e5 100644
--- a/trunk/src/main/srs_main_mp4_parser.cpp
+++ b/trunk/src/main/srs_main_mp4_parser.cpp
@@ -29,6 +29,7 @@
 #include <srs_kernel_file.hpp>
 #include <srs_kernel_stream.hpp>
 #include <srs_core_autofree.hpp>
+#include <srs_app_config.hpp>
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -40,6 +41,9 @@ using namespace std;
 ISrsLog* _srs_log = new SrsConsoleLog(SrsLogLevelTrace, false);
 ISrsContext* _srs_context = new SrsThreadContext();
 
+// @global config object for app module.
+SrsConfig* _srs_config = new SrsConfig();
+
 srs_error_t parse(std::string mp4_file, bool verbose)
 {
     srs_error_t err = srs_success;