diff --git a/trunk/src/app/srs_app_http_api.cpp b/trunk/src/app/srs_app_http_api.cpp
index 46d94a94c..218403dee 100755
--- a/trunk/src/app/srs_app_http_api.cpp
+++ b/trunk/src/app/srs_app_http_api.cpp
@@ -106,29 +106,25 @@ int srs_api_response_json_code(ISrsHttpResponseWriter* w, int code)
 
 int srs_api_response(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, std::string json)
 {
-    string callback = r->query_get("callback");
-    bool jsonp = !callback.empty();
-    
     // no jsonp, directly response.
-    if (!jsonp) {
+    if (!r->is_jsonp()) {
         return srs_api_response_json(w, json);
     }
     
     // jsonp, get function name from query("callback")
+    string callback = r->query_get("callback");
     return srs_api_response_jsonp(w, callback, json);
 }
 
 int srs_api_response_code(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, int code)
 {
-    string callback = r->query_get("callback");
-    bool jsonp = !callback.empty();
-    
     // no jsonp, directly response.
-    if (!jsonp) {
+    if (!r->is_jsonp()) {
         return srs_api_response_json_code(w, code);
     }
     
     // jsonp, get function name from query("callback")
+    string callback = r->query_get("callback");
     return srs_api_response_jsonp_code(w, callback, code);
 }
 
diff --git a/trunk/src/app/srs_app_http_conn.cpp b/trunk/src/app/srs_app_http_conn.cpp
index a18190a60..4824c5861 100755
--- a/trunk/src/app/srs_app_http_conn.cpp
+++ b/trunk/src/app/srs_app_http_conn.cpp
@@ -494,6 +494,7 @@ SrsHttpMessage::SrsHttpMessage(SrsStSocket* io, SrsConnection* c) : ISrsHttpMess
     _uri = new SrsHttpUri();
     _body = new SrsHttpResponseReader(this, io);
     _http_ts_send_buffer = new char[SRS_HTTP_TS_SEND_BUFFER_SIZE];
+    jsonp = false;
 }
 
 SrsHttpMessage::~SrsHttpMessage()
@@ -570,6 +571,14 @@ int SrsHttpMessage::update(string url, http_parser* header, SrsFastBuffer* body,
         _ext = "";
     }
     
+    // parse jsonp request message.
+    if (!query_get("callback").empty()) {
+        jsonp = true;
+    }
+    if (jsonp) {
+        jsonp_method = query_get("method");
+    }
+    
     return ret;
 }
 
@@ -580,6 +589,18 @@ SrsConnection* SrsHttpMessage::connection()
 
 u_int8_t SrsHttpMessage::method()
 {
+    if (jsonp && !jsonp_method.empty()) {
+        if (jsonp_method == "GET") {
+            return SRS_CONSTS_HTTP_GET;
+        } else if (jsonp_method == "PUT") {
+            return SRS_CONSTS_HTTP_PUT;
+        } else if (jsonp_method == "POST") {
+            return SRS_CONSTS_HTTP_POST;
+        } else if (jsonp_method == "DELETE") {
+            return SRS_CONSTS_HTTP_DELETE;
+        }
+    }
+    
     return (u_int8_t)_header.method;
 }
 
@@ -590,6 +611,10 @@ u_int16_t SrsHttpMessage::status_code()
 
 string SrsHttpMessage::method_str()
 {
+    if (jsonp && !jsonp_method.empty()) {
+        return jsonp_method;
+    }
+    
     if (is_http_get()) {
         return "GET";
     }
@@ -611,22 +636,22 @@ string SrsHttpMessage::method_str()
 
 bool SrsHttpMessage::is_http_get()
 {
-    return _header.method == SRS_CONSTS_HTTP_GET;
+    return method() == SRS_CONSTS_HTTP_GET;
 }
 
 bool SrsHttpMessage::is_http_put()
 {
-    return _header.method == SRS_CONSTS_HTTP_PUT;
+    return method() == SRS_CONSTS_HTTP_PUT;
 }
 
 bool SrsHttpMessage::is_http_post()
 {
-    return _header.method == SRS_CONSTS_HTTP_POST;
+    return method() == SRS_CONSTS_HTTP_POST;
 }
 
 bool SrsHttpMessage::is_http_delete()
 {
-    return _header.method == SRS_CONSTS_HTTP_DELETE;
+    return method() == SRS_CONSTS_HTTP_DELETE;
 }
 
 bool SrsHttpMessage::is_http_options()
@@ -803,6 +828,11 @@ SrsRequest* SrsHttpMessage::to_request(string vhost)
     return req;
 }
 
+bool SrsHttpMessage::is_jsonp()
+{
+    return jsonp;
+}
+
 SrsHttpParser::SrsHttpParser()
 {
     buffer = new SrsFastBuffer();
diff --git a/trunk/src/app/srs_app_http_conn.hpp b/trunk/src/app/srs_app_http_conn.hpp
index 1396f7671..4a96f79ae 100644
--- a/trunk/src/app/srs_app_http_conn.hpp
+++ b/trunk/src/app/srs_app_http_conn.hpp
@@ -203,6 +203,10 @@ private:
     std::map<std::string, std::string> _query;
     // the transport connection, can be NULL.
     SrsConnection* conn;
+    // whether request is jsonp.
+    bool jsonp;
+    // the method in QueryString will override the HTTP method.
+    std::string jsonp_method;
 public:
     SrsHttpMessage(SrsStSocket* io, SrsConnection* c);
     virtual ~SrsHttpMessage();
@@ -285,6 +289,8 @@ public:
      * @remark user must free the return request.
      */
     virtual SrsRequest* to_request(std::string vhost);
+public:
+    virtual bool is_jsonp();
 };
 
 /**
diff --git a/trunk/src/protocol/srs_http_stack.hpp b/trunk/src/protocol/srs_http_stack.hpp
index ff59172d6..5d119d16b 100644
--- a/trunk/src/protocol/srs_http_stack.hpp
+++ b/trunk/src/protocol/srs_http_stack.hpp
@@ -527,6 +527,12 @@ public:
     virtual int request_header_count() = 0;
     virtual std::string request_header_key_at(int index) = 0;
     virtual std::string request_header_value_at(int index) = 0;
+public:
+    /**
+     * whether the current request is JSONP,
+     * which has a "callback=xxx" in QueryString.
+     */
+    virtual bool is_jsonp() = 0;
 };
 
 #endif