diff --git a/README.md b/README.md
index 75e58cbbd0..d755bd7611 100755
--- a/README.md
+++ b/README.md
@@ -146,6 +146,7 @@ For previous versions, please read:
 
 ## V3 changes
 
+* v3.0, 2020-01-05, For [#1543][bug #1543], use getpeername to retrieve client ip. 3.0.92
 * v3.0, 2020-01-02, For [#1042][bug #1042], improve test coverage for config. 3.0.91
 * v3.0, 2019-12-30, Fix mp4 security issue, check buffer when required size is variable.
 * <strong>v3.0, 2019-12-29, [3.0 alpha7(3.0.90)][r3.0a7] released. 116356 lines.</strong>
@@ -1581,6 +1582,7 @@ Winlin
 [bug #1105]: https://github.com/ossrs/srs/issues/1105
 [bug #1544]: https://github.com/ossrs/srs/issues/1544
 [bug #1255]: https://github.com/ossrs/srs/issues/1255
+[bug #1543]: https://github.com/ossrs/srs/issues/1543
 [bug #xxxxxxxxxxxxx]: https://github.com/ossrs/srs/issues/xxxxxxxxxxxxx
 
 [exo #828]: https://github.com/google/ExoPlayer/pull/828
diff --git a/trunk/src/app/srs_app_utility.cpp b/trunk/src/app/srs_app_utility.cpp
index 9374f4e4b8..d82dfdf6a4 100644
--- a/trunk/src/app/srs_app_utility.cpp
+++ b/trunk/src/app/srs_app_utility.cpp
@@ -1142,7 +1142,7 @@ string srs_get_peer_ip(int fd)
     // discovery client information
     sockaddr_storage addr;
     socklen_t addrlen = sizeof(addr);
-    if (getsockname(fd, (sockaddr*)&addr, &addrlen) == -1) {
+    if (getpeername(fd, (sockaddr*)&addr, &addrlen) == -1) {
         return "";
     }
 
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index 06f93f5cbc..10dbe06cab 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -27,7 +27,7 @@
 // The version config.
 #define VERSION_MAJOR       3
 #define VERSION_MINOR       0
-#define VERSION_REVISION    91
+#define VERSION_REVISION    92
 
 // The macros generated by configure script.
 #include <srs_auto_headers.hpp>
diff --git a/trunk/src/kernel/srs_kernel_utility.cpp b/trunk/src/kernel/srs_kernel_utility.cpp
index 1a38c7e1e0..1cab2c9691 100644
--- a/trunk/src/kernel/srs_kernel_utility.cpp
+++ b/trunk/src/kernel/srs_kernel_utility.cpp
@@ -183,11 +183,11 @@ string srs_dns_resolve(string host, int& family)
     char* h = (char*)saddr;
     socklen_t nbh = sizeof(saddr);
     const int r0 = getnameinfo(r->ai_addr, r->ai_addrlen, h, nbh, NULL, 0, NI_NUMERICHOST);
-
     if(!r0) {
        family = r->ai_family;
        return string(saddr);
     }
+
     return "";
 }
 
diff --git a/trunk/src/utest/srs_utest_service.cpp b/trunk/src/utest/srs_utest_service.cpp
index d58638105f..c4dda4dd62 100644
--- a/trunk/src/utest/srs_utest_service.cpp
+++ b/trunk/src/utest/srs_utest_service.cpp
@@ -35,6 +35,7 @@ using namespace std;
 #include <srs_core_autofree.hpp>
 #include <srs_utest_protocol.hpp>
 #include <srs_utest_http.hpp>
+#include <srs_service_utility.hpp>
 
 class MockSrsConnection : public ISrsConnection
 {
@@ -924,3 +925,60 @@ VOID TEST(TCPServerTest, TCPClientServer)
     }
 }
 
+VOID TEST(TCPServerTest, CoverUtility)
+{
+    EXPECT_TRUE(srs_string_is_http("http://"));
+    EXPECT_TRUE(srs_string_is_http("https://"));
+    EXPECT_TRUE(srs_string_is_http("http://localhost"));
+    EXPECT_TRUE(srs_string_is_http("https://localhost"));
+    EXPECT_FALSE(srs_string_is_http("ftp://"));
+    EXPECT_FALSE(srs_string_is_http("ftps://"));
+    EXPECT_FALSE(srs_string_is_http("http:"));
+    EXPECT_FALSE(srs_string_is_http("https:"));
+    EXPECT_TRUE(srs_string_is_rtmp("rtmp://"));
+    EXPECT_TRUE(srs_string_is_rtmp("rtmp://localhost"));
+    EXPECT_FALSE(srs_string_is_rtmp("http://"));
+    EXPECT_FALSE(srs_string_is_rtmp("rtmp:"));
+
+    if (true) {
+        sockaddr_in6 addr;
+        memset(&addr, 0, sizeof(addr));
+        addr.sin6_family = AF_INET6;
+        EXPECT_FALSE(srs_net_device_is_internet((sockaddr*)&addr));
+    }
+
+    EXPECT_FALSE(srs_net_device_is_internet("eth0"));
+
+    if (true) {
+        sockaddr_in addr;
+        addr.sin_family = AF_INET;
+
+        addr.sin_addr.s_addr = htonl(0x12000000);
+        EXPECT_TRUE(srs_net_device_is_internet((sockaddr*)&addr));
+
+        addr.sin_addr.s_addr = htonl(0x7f000000);
+        EXPECT_FALSE(srs_net_device_is_internet((sockaddr*)&addr));
+
+        addr.sin_addr.s_addr = htonl(0x7f000001);
+        EXPECT_FALSE(srs_net_device_is_internet((sockaddr*)&addr));
+
+        addr.sin_addr.s_addr = htonl(0x0a000000);
+        EXPECT_FALSE(srs_net_device_is_internet((sockaddr*)&addr));
+
+        addr.sin_addr.s_addr = htonl(0x0a000001);
+        EXPECT_FALSE(srs_net_device_is_internet((sockaddr*)&addr));
+
+        addr.sin_addr.s_addr = htonl(0x0affffff);
+        EXPECT_FALSE(srs_net_device_is_internet((sockaddr*)&addr));
+
+        addr.sin_addr.s_addr = htonl(0xc0a80000);
+        EXPECT_FALSE(srs_net_device_is_internet((sockaddr*)&addr));
+
+        addr.sin_addr.s_addr = htonl(0xc0a80001);
+        EXPECT_FALSE(srs_net_device_is_internet((sockaddr*)&addr));
+
+        addr.sin_addr.s_addr = htonl(0xc0a8ffff);
+        EXPECT_FALSE(srs_net_device_is_internet((sockaddr*)&addr));
+    }
+}
+