diff --git a/trunk/src/app/srs_app_rtc_server.cpp b/trunk/src/app/srs_app_rtc_server.cpp
index e69d66cd9..28f4f7f81 100644
--- a/trunk/src/app/srs_app_rtc_server.cpp
+++ b/trunk/src/app/srs_app_rtc_server.cpp
@@ -82,7 +82,7 @@ static std::vector<std::string> get_candidate_ips()
     string family = _srs_config->get_rtc_server_ip_family();
     for (int i = 0; i < (int)ips.size(); ++i) {
         SrsIPAddress* ip = ips[i];
-        if (!ip->is_loopback) {
+        if (ip->is_loopback) {
             continue;
         }
 
@@ -94,7 +94,7 @@ static std::vector<std::string> get_candidate_ips()
         }
 
         candidate_ips.push_back(ip->ip);
-        srs_warn("Best matched ip=%s, ifname=%s", ip->ip.c_str(), ip->ifname.c_str());
+        srs_trace("Best matched ip=%s, ifname=%s", ip->ip.c_str(), ip->ifname.c_str());
     }
 
     if (!candidate_ips.empty()) {
@@ -109,7 +109,7 @@ static std::vector<std::string> get_candidate_ips()
         }
 
         candidate_ips.push_back(ip->ip);
-        srs_warn("No best matched, use first ip=%s, ifname=%s", ip->ip.c_str(), ip->ifname.c_str());
+        srs_trace("No best matched, use first ip=%s, ifname=%s", ip->ip.c_str(), ip->ifname.c_str());
         return candidate_ips;
     }