diff --git a/trunk/src/app/srs_app_http_client.cpp b/trunk/src/app/srs_app_http_client.cpp
index 6eb0f663b..299ea180f 100644
--- a/trunk/src/app/srs_app_http_client.cpp
+++ b/trunk/src/app/srs_app_http_client.cpp
@@ -37,15 +37,13 @@ using namespace std;
 #include <srs_app_utility.hpp>
 #include <srs_core_autofree.hpp>
 
-// when error, http client sleep for a while and retry.
-#define SRS_HTTP_CLIENT_SLEEP_US (int64_t)(3*1000*1000LL)
-
 SrsHttpClient::SrsHttpClient()
 {
     connected = false;
     stfd = NULL;
     skt = NULL;
     parser = NULL;
+    timeout_us = 0;
 }
 
 SrsHttpClient::~SrsHttpClient()
@@ -54,7 +52,7 @@ SrsHttpClient::~SrsHttpClient()
     srs_freep(parser);
 }
 
-int SrsHttpClient::initialize(string h, int p)
+int SrsHttpClient::initialize(string h, int p, int64_t t_us)
 {
     int ret = ERROR_SUCCESS;
     
@@ -68,6 +66,7 @@ int SrsHttpClient::initialize(string h, int p)
     
     host = h;
     port = p;
+    timeout_us = t_us;
     
     return ret;
 }
@@ -183,10 +182,9 @@ int SrsHttpClient::connect()
     disconnect();
     
     // open socket.
-    int64_t timeout = SRS_HTTP_CLIENT_SLEEP_US;
-    if ((ret = srs_socket_connect(host, port, timeout, &stfd)) != ERROR_SUCCESS) {
+    if ((ret = srs_socket_connect(host, port, timeout_us, &stfd)) != ERROR_SUCCESS) {
         srs_warn("http client failed, server=%s, port=%d, timeout=%"PRId64", ret=%d",
-            host.c_str(), port, timeout, ret);
+            host.c_str(), port, timeout_us, ret);
         return ret;
     }
     srs_info("connect to server success. server=%s, port=%d", host, port);
@@ -195,6 +193,10 @@ int SrsHttpClient::connect()
     skt = new SrsStSocket(stfd);
     connected = true;
     
+    // set the recv/send timeout in us.
+    skt->set_recv_timeout(timeout_us);
+    skt->set_send_timeout(timeout_us);
+    
     return ret;
 }
 
diff --git a/trunk/src/app/srs_app_http_client.hpp b/trunk/src/app/srs_app_http_client.hpp
index 451f336bf..67a3314c2 100644
--- a/trunk/src/app/srs_app_http_client.hpp
+++ b/trunk/src/app/srs_app_http_client.hpp
@@ -40,6 +40,9 @@ class SrsHttpParser;
 class SrsHttpMessage;
 class SrsStSocket;
 
+// the default timeout for http client.
+#define SRS_HTTP_CLIENT_TIMEOUT_US (int64_t)(30*1000*1000LL)
+
 /**
 * http client to GET/POST/PUT/DELETE uri
 */
@@ -51,6 +54,7 @@ private:
     SrsStSocket* skt;
     SrsHttpParser* parser;
 private:
+    int64_t timeout_us;
     // host name or ip.
     std::string host;
     int port;
@@ -61,7 +65,7 @@ public:
     /**
     * initialize the client, connect to host and port.
     */
-    virtual int initialize(std::string h, int p);
+    virtual int initialize(std::string h, int p, int64_t t_us = SRS_HTTP_CLIENT_TIMEOUT_US);
 public:
     /**
     * to post data to the uri.
diff --git a/trunk/src/app/srs_app_http_hooks.cpp b/trunk/src/app/srs_app_http_hooks.cpp
index 59a83ccc6..7824a6978 100644
--- a/trunk/src/app/srs_app_http_hooks.cpp
+++ b/trunk/src/app/srs_app_http_hooks.cpp
@@ -44,6 +44,9 @@ using namespace std;
 #define SRS_HTTP_HEADER_BUFFER        1024
 #define SRS_HTTP_BODY_BUFFER        32 * 1024
 
+// the timeout for hls notify, in us.
+#define SRS_HLS_NOTIFY_TIMEOUT_US (int64_t)(10*1000*1000LL)
+
 SrsHttpHooks::SrsHttpHooks()
 {
 }
@@ -350,7 +353,7 @@ int SrsHttpHooks::on_hls_notify(std::string url, SrsRequest* req, std::string ts
     }
     
     SrsHttpClient http;
-    if ((ret = http.initialize(uri.get_host(), uri.get_port())) != ERROR_SUCCESS) {
+    if ((ret = http.initialize(uri.get_host(), uri.get_port(), SRS_HLS_NOTIFY_TIMEOUT_US)) != ERROR_SUCCESS) {
         return ret;
     }
     
diff --git a/trunk/src/kernel/srs_kernel_utility.cpp b/trunk/src/kernel/srs_kernel_utility.cpp
index af5d5d18c..d0daaef50 100644
--- a/trunk/src/kernel/srs_kernel_utility.cpp
+++ b/trunk/src/kernel/srs_kernel_utility.cpp
@@ -390,7 +390,7 @@ bool srs_aac_startswith_adts(SrsStream* stream)
     char* bytes = stream->data() + stream->pos();
     char* p = bytes;
     
-    if (!stream->require(p - bytes + 2)) {
+    if (!stream->require((int)(p - bytes) + 2)) {
         return false;
     }