diff --git a/src/tbox/platform/posix/socket.c b/src/tbox/platform/posix/socket.c
index e7079f40c..895b14539 100644
--- a/src/tbox/platform/posix/socket.c
+++ b/src/tbox/platform/posix/socket.c
@@ -492,6 +492,22 @@ tb_bool_t tb_socket_local(tb_socket_ref_t sock, tb_ipaddr_ref_t addr)
     // ok
     return tb_true;
 }
+tb_bool_t tb_socket_peer(tb_socket_ref_t sock, tb_ipaddr_ref_t addr)
+{
+    // check
+    tb_assert_and_check_return_val(sock, tb_false);
+
+    // get peer address
+    struct sockaddr_storage d;
+    tb_int_t                n = sizeof(d);
+    if (getpeername(tb_sock2fd(sock), (struct sockaddr *)&d, (socklen_t *)&n) == -1) return tb_false;
+
+    // save address
+    if (addr) tb_sockaddr_save(addr, &d);
+
+    // ok
+    return tb_true;
+}
 tb_bool_t tb_socket_kill(tb_socket_ref_t sock, tb_size_t mode)
 {
     // check
diff --git a/src/tbox/platform/socket.h b/src/tbox/platform/socket.h
index 65b1174f5..50ea51676 100644
--- a/src/tbox/platform/socket.h
+++ b/src/tbox/platform/socket.h
@@ -192,6 +192,15 @@ tb_socket_ref_t     tb_socket_accept(tb_socket_ref_t sock, tb_ipaddr_ref_t addr)
  */
 tb_bool_t           tb_socket_local(tb_socket_ref_t sock, tb_ipaddr_ref_t addr);
 
+/*! get peer address
+ *
+ * @param sock      the socket
+ * @param addr      the peer address
+ *
+ * @return          tb_true or tb_false
+ */
+tb_bool_t           tb_socket_peer(tb_socket_ref_t sock, tb_ipaddr_ref_t addr);
+
 /*! kill socket
  *
  * @param sock      the socket
diff --git a/src/tbox/platform/windows/interface/ws2_32.c b/src/tbox/platform/windows/interface/ws2_32.c
index 9533ed288..8de7be1ed 100644
--- a/src/tbox/platform/windows/interface/ws2_32.c
+++ b/src/tbox/platform/windows/interface/ws2_32.c
@@ -67,6 +67,7 @@ static tb_bool_t tb_ws2_32_instance_init(tb_ws2_32_ref_t ws2_32)
     TB_INTERFACE_LOAD(ws2_32, select);
     TB_INTERFACE_LOAD(ws2_32, connect);
     TB_INTERFACE_LOAD(ws2_32, shutdown);
+    TB_INTERFACE_LOAD(ws2_32, getpeername);
     TB_INTERFACE_LOAD(ws2_32, getsockname);
     TB_INTERFACE_LOAD(ws2_32, getsockopt);
     TB_INTERFACE_LOAD(ws2_32, setsockopt);
diff --git a/src/tbox/platform/windows/interface/ws2_32.h b/src/tbox/platform/windows/interface/ws2_32.h
index 7ef0c6f2e..8585593e6 100644
--- a/src/tbox/platform/windows/interface/ws2_32.h
+++ b/src/tbox/platform/windows/interface/ws2_32.h
@@ -108,6 +108,9 @@ typedef tb_int_t (WSAAPI* tb_ws2_32_shutdown_t)(SOCKET s, tb_int_t how);
 // the getsockname func type
 typedef tb_int_t (WSAAPI* tb_ws2_32_getsockname_t)(SOCKET s, struct sockaddr* name, tb_int_t* namelen);
 
+// the getpeername func type
+typedef tb_int_t (WSAAPI* tb_ws2_32_getpeername_t)(SOCKET s, struct sockaddr* name, tb_int_t* namelen);
+
 // the getsockopt func type
 typedef tb_int_t (WSAAPI* tb_ws2_32_getsockopt_t)(SOCKET s, tb_int_t level, tb_int_t optname, tb_char_t* optval, tb_int_t* optlen);
 
@@ -207,6 +210,9 @@ typedef struct __tb_ws2_32_t
     // getsockname
     tb_ws2_32_getsockname_t         getsockname;
 
+    // getpeername
+    tb_ws2_32_getpeername_t         getpeername;
+
     // getsockopt
     tb_ws2_32_getsockopt_t          getsockopt;
 
diff --git a/src/tbox/platform/windows/socket.c b/src/tbox/platform/windows/socket.c
index 1d964d36c..eae7554a4 100644
--- a/src/tbox/platform/windows/socket.c
+++ b/src/tbox/platform/windows/socket.c
@@ -582,6 +582,22 @@ tb_bool_t tb_socket_local(tb_socket_ref_t sock, tb_ipaddr_ref_t addr)
     // ok
     return tb_true;
 }
+tb_bool_t tb_socket_peer(tb_socket_ref_t sock, tb_ipaddr_ref_t addr)
+{
+    // check
+    tb_assert_and_check_return_val(sock, tb_false);
+
+    // get peer address
+    struct sockaddr_storage d = {0};
+    tb_int_t                n = sizeof(d);
+    if (tb_ws2_32()->getpeername(tb_sock2fd(sock), (struct sockaddr *)&d, &n) == -1) return tb_false;
+
+    // save address
+    if (addr) tb_sockaddr_save(addr, &d);
+
+    // ok
+    return tb_true;
+}
 tb_bool_t tb_socket_kill(tb_socket_ref_t sock, tb_size_t mode)
 {
     // check