diff --git a/HISTORY b/HISTORY
index d6db330..2cdf82f 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,9 +1,10 @@
 
-Version 1.21  2015-09-05
+Version 1.21  2015-09-08
   * ini_file_reader support annotation function
   * correct PTHREAD_MUTEX_ERRORCHECK define
   * support 32 bit OS
   * allow_ips support CIDR addresses such as 172.16.12.0/22
+  * add function get_first_local_ip
 
 Version 1.20  2015-08-06
   * add GEO function get_line_distance_km
diff --git a/src/local_ip_func.c b/src/local_ip_func.c
index d2829fb..024f304 100644
--- a/src/local_ip_func.c
+++ b/src/local_ip_func.c
@@ -14,6 +14,8 @@
 #include "shared_func.h"
 #include "local_ip_func.h"
 
+#define LOCAL_LOOPBACK_IP  "127.0.0.1"
+
 int g_local_host_ip_count = 0;
 char g_local_host_ip_addrs[FAST_MAX_LOCAL_IP_ADDRS * \
 				IP_ADDRESS_SIZE];
@@ -83,7 +85,7 @@ void load_local_host_ip_addrs()
 	char *if_alias_prefixes[STORAGE_MAX_ALIAS_PREFIX_COUNT];
 	int alias_count;
 
-	insert_into_local_host_ip("127.0.0.1");
+	insert_into_local_host_ip(LOCAL_LOOPBACK_IP);
 
 	memset(if_alias_prefixes, 0, sizeof(if_alias_prefixes));
 	if (*g_if_alias_prefix == '\0')
@@ -132,3 +134,26 @@ void print_local_host_ip_addrs()
 	printf("\n");
 }
 
+const char *get_first_local_ip()
+{
+    char *p;
+	char *pEnd;
+
+    if (g_local_host_ip_count == 0)
+    {
+        load_local_host_ip_addrs();
+    }
+
+	pEnd = g_local_host_ip_addrs + \
+		IP_ADDRESS_SIZE * g_local_host_ip_count;
+	for (p=g_local_host_ip_addrs; p<pEnd; p+=IP_ADDRESS_SIZE)
+	{
+	    if (strcmp(p, LOCAL_LOOPBACK_IP) != 0)
+        {
+            return p;
+        }
+	}
+
+    return LOCAL_LOOPBACK_IP;
+}
+
diff --git a/src/local_ip_func.h b/src/local_ip_func.h
index a05b2a2..57e9eeb 100644
--- a/src/local_ip_func.h
+++ b/src/local_ip_func.h
@@ -31,6 +31,7 @@ extern char g_if_alias_prefix[FAST_IF_ALIAS_PREFIX_MAX_SIZE];
 
 void load_local_host_ip_addrs();
 bool is_local_host_ip(const char *client_ip);
+const char *get_first_local_ip();
 int insert_into_local_host_ip(const char *client_ip);
 void print_local_host_ip_addrs();