diff --git a/trunk/src/utest/srs_utest_protocol.cpp b/trunk/src/utest/srs_utest_protocol.cpp
index ba5f8bd8c..01229d819 100644
--- a/trunk/src/utest/srs_utest_protocol.cpp
+++ b/trunk/src/utest/srs_utest_protocol.cpp
@@ -463,7 +463,7 @@ VOID TEST(ProtocolUtilityTest, DiscoveryTcUrl)
 {
     std::string tcUrl; 
     std::string schema; std::string host; std::string vhost; 
-    std::string app; std::string port; std::string param;
+    std::string app; int port; std::string param;
     
     tcUrl = "rtmp://127.0.0.1:1935/live";
     srs_discovery_tc_url(tcUrl, schema, host, vhost, app, port, param);
@@ -471,7 +471,7 @@ VOID TEST(ProtocolUtilityTest, DiscoveryTcUrl)
     EXPECT_STREQ("127.0.0.1", host.c_str());
     EXPECT_STREQ("127.0.0.1", vhost.c_str());
     EXPECT_STREQ("live", app.c_str());
-    EXPECT_STREQ("1935", port.c_str());
+    EXPECT_EQ(1935, port);
     
     tcUrl = "rtmp://127.0.0.1:19351/live";
     srs_discovery_tc_url(tcUrl, schema, host, vhost, app, port, param);
@@ -479,7 +479,7 @@ VOID TEST(ProtocolUtilityTest, DiscoveryTcUrl)
     EXPECT_STREQ("127.0.0.1", host.c_str());
     EXPECT_STREQ("127.0.0.1", vhost.c_str());
     EXPECT_STREQ("live", app.c_str());
-    EXPECT_STREQ("19351", port.c_str());
+    EXPECT_EQ(19351, port);
     
     tcUrl = "rtmp://127.0.0.1:19351/live?vhost=demo";
     srs_discovery_tc_url(tcUrl, schema, host, vhost, app, port, param);
@@ -487,7 +487,7 @@ VOID TEST(ProtocolUtilityTest, DiscoveryTcUrl)
     EXPECT_STREQ("127.0.0.1", host.c_str());
     EXPECT_STREQ("demo", vhost.c_str());
     EXPECT_STREQ("live", app.c_str());
-    EXPECT_STREQ("19351", port.c_str());
+    EXPECT_EQ(19351, port);
     
     tcUrl = "rtmp://127.0.0.1:19351/live/show?vhost=demo";
     srs_discovery_tc_url(tcUrl, schema, host, vhost, app, port, param);
@@ -495,7 +495,7 @@ VOID TEST(ProtocolUtilityTest, DiscoveryTcUrl)
     EXPECT_STREQ("127.0.0.1", host.c_str());
     EXPECT_STREQ("demo", vhost.c_str());
     EXPECT_STREQ("live/show", app.c_str());
-    EXPECT_STREQ("19351", port.c_str());
+    EXPECT_EQ(19351, port);
 }
 
 /**
@@ -503,17 +503,17 @@ VOID TEST(ProtocolUtilityTest, DiscoveryTcUrl)
 */
 VOID TEST(ProtocolUtilityTest, GenerateTcUrl)
 {
-    string ip; string vhost; string app; string port; string tcUrl; string param;
+    string ip; string vhost; string app; int port; string tcUrl; string param;
     
-    ip = "127.0.0.1"; vhost = "__defaultVhost__"; app = "live"; port = "1935";
+    ip = "127.0.0.1"; vhost = "__defaultVhost__"; app = "live"; port = 1935;
     tcUrl = srs_generate_tc_url(ip, vhost, app, port, param);
     EXPECT_STREQ("rtmp://127.0.0.1/live", tcUrl.c_str());
     
-    ip = "127.0.0.1"; vhost = "demo"; app = "live"; port = "1935";
+    ip = "127.0.0.1"; vhost = "demo"; app = "live"; port = 1935;
     tcUrl = srs_generate_tc_url(ip, vhost, app, port, param);
     EXPECT_STREQ("rtmp://demo/live", tcUrl.c_str());
     
-    ip = "127.0.0.1"; vhost = "demo"; app = "live"; port = "19351";
+    ip = "127.0.0.1"; vhost = "demo"; app = "live"; port = 19351;
     tcUrl = srs_generate_tc_url(ip, vhost, app, port, param);
     EXPECT_STREQ("rtmp://demo:19351/live", tcUrl.c_str());
 }
@@ -5549,7 +5549,7 @@ VOID TEST(ProtocolRTMPTest, RTMPRequest)
     EXPECT_STREQ("std.ossrs.net", req.host.c_str());
     EXPECT_STREQ("std.ossrs.net", req.vhost.c_str());
     EXPECT_STREQ("live", req.app.c_str());
-    EXPECT_STREQ("1935", req.port.c_str());
+    EXPECT_EQ(1935, req.port);
     
     req.stream = "livestream";
     srs_discovery_tc_url("rtmp://s td.os srs.n et/li v e", 
@@ -5559,7 +5559,7 @@ VOID TEST(ProtocolRTMPTest, RTMPRequest)
     EXPECT_STREQ("std.ossrs.net", req.host.c_str());
     EXPECT_STREQ("std.ossrs.net", req.vhost.c_str());
     EXPECT_STREQ("live", req.app.c_str());
-    EXPECT_STREQ("1935", req.port.c_str());
+    EXPECT_EQ(1935, req.port);
     
     req.stream = "livestream";
     srs_discovery_tc_url("rtmp://s\ntd.o\rssrs.ne\nt/li\nve", 
@@ -5569,7 +5569,7 @@ VOID TEST(ProtocolRTMPTest, RTMPRequest)
     EXPECT_STREQ("std.ossrs.net", req.host.c_str());
     EXPECT_STREQ("std.ossrs.net", req.vhost.c_str());
     EXPECT_STREQ("live", req.app.c_str());
-    EXPECT_STREQ("1935", req.port.c_str());
+    EXPECT_EQ(1935, req.port);
     
     req.stream = "livestream";
     srs_discovery_tc_url("rtmp://std.ossrs.net/live ", 
@@ -5579,7 +5579,7 @@ VOID TEST(ProtocolRTMPTest, RTMPRequest)
     EXPECT_STREQ("std.ossrs.net", req.host.c_str());
     EXPECT_STREQ("std.ossrs.net", req.vhost.c_str());
     EXPECT_STREQ("live", req.app.c_str());
-    EXPECT_STREQ("1935", req.port.c_str());
+    EXPECT_EQ(1935, req.port);
     
     EXPECT_TRUE(NULL == req.args);
     SrsRequest req1;