diff --git a/trunk/src/app/srs_app_ingest.cpp b/trunk/src/app/srs_app_ingest.cpp
index b24fc3a25..d44751bd4 100644
--- a/trunk/src/app/srs_app_ingest.cpp
+++ b/trunk/src/app/srs_app_ingest.cpp
@@ -106,6 +106,8 @@ SrsIngester::SrsIngester()
 {
     _srs_config->subscribe(this);
     
+    expired = false;
+    
     pthread = new SrsReusableThread("ingest", this, SRS_AUTO_INGESTER_SLEEP_US);
     pprint = SrsPithyPrint::create_ingester();
 }
@@ -222,9 +224,8 @@ int SrsIngester::parse_engines(SrsConfDirective* vhost, SrsConfDirective* ingest
     return ret;
 }
 
-void SrsIngester::dispose()
+void SrsIngester::fast_stop()
 {
-    // first, use fast stop to notice all FFMPEG to quit gracefully.
     std::vector<SrsIngesterFFMPEG*>::iterator it;
     for (it = ingesters.begin(); it != ingesters.end(); ++it) {
         SrsIngesterFFMPEG* ingester = *it;
@@ -234,6 +235,12 @@ void SrsIngester::dispose()
     if (!ingesters.empty()) {
         srs_trace("fast stop all ingesters ok.");
     }
+}
+
+void SrsIngester::dispose()
+{
+    // first, use fast stop to notice all FFMPEG to quit gracefully.
+    fast_stop();
     
     // then, use stop to wait FFMPEG quit one by one and send SIGKILL if needed.
     stop();
@@ -249,6 +256,21 @@ int SrsIngester::cycle()
 {
     int ret = ERROR_SUCCESS;
     
+    // when expired, restart all ingesters.
+    if (expired) {
+        expired = false;
+        
+        // stop current ingesters.
+        fast_stop();
+        clear_engines();
+        
+        // re-prase the ingesters.
+        if ((ret = parse()) != ERROR_SUCCESS) {
+            return ret;
+        }
+    }
+    
+    // cycle exists ingesters.
     std::vector<SrsIngesterFFMPEG*>::iterator it;
     for (it = ingesters.begin(); it != ingesters.end(); ++it) {
         SrsIngesterFFMPEG* ingester = *it;
@@ -551,5 +573,11 @@ int SrsIngester::on_reload_ingest_updated(string vhost, string ingest_id)
     return ret;
 }
 
+int SrsIngester::on_reload_listen()
+{
+    expired = true;
+    return ERROR_SUCCESS;
+}
+
 #endif
 
diff --git a/trunk/src/app/srs_app_ingest.hpp b/trunk/src/app/srs_app_ingest.hpp
index 15137d035..e6f48f31d 100644
--- a/trunk/src/app/srs_app_ingest.hpp
+++ b/trunk/src/app/srs_app_ingest.hpp
@@ -81,6 +81,10 @@ private:
 private:
     SrsReusableThread* pthread;
     SrsPithyPrint* pprint;
+    // whether the ingesters are expired,
+    // for example, the listen port changed,
+    // all ingesters must be restart.
+    bool expired;
 public:
     SrsIngester();
     virtual ~SrsIngester();
@@ -89,6 +93,8 @@ public:
 public:
     virtual int start();
     virtual void stop();
+private:
+    virtual void fast_stop();
 // interface ISrsReusableThreadHandler.
 public:
     virtual int cycle();
@@ -107,6 +113,7 @@ public:
     virtual int on_reload_ingest_removed(std::string vhost, std::string ingest_id);
     virtual int on_reload_ingest_added(std::string vhost, std::string ingest_id);
     virtual int on_reload_ingest_updated(std::string vhost, std::string ingest_id);
+    virtual int on_reload_listen();
 };
 
 #endif