diff --git a/lib_fiber/samples/ping/main.c b/lib_fiber/samples/ping/main.c
index fd1d982c5..5b672f8d9 100644
--- a/lib_fiber/samples/ping/main.c
+++ b/lib_fiber/samples/ping/main.c
@@ -9,6 +9,10 @@ static int __delay = 10;
 static int __timeout = 1000; 
 static int __benchmark = 0;
 
+static int __show_reply = 0;
+static int __show_timeout = 0;
+static int __show_unreach = 0;
+
 static void display_res(ICMP_CHAT *chat)
 {
 	if (chat) {
@@ -58,18 +62,90 @@ static void fiber_ping(ACL_FIBER *fiber acl_unused, void *arg)
 		acl_fiber_schedule_stop();
 }
 
+static void reply_callback(ICMP_PKT_STATUS *status acl_unused, void *arg)
+{
+	if (__show_reply) {
+		ICMP_HOST *host = (ICMP_HOST *) arg;
+		printf("%s\r\n", host->dest_ip);
+	}
+}
+
+static void timeout_callback(ICMP_PKT_STATUS *status, void *arg)
+{
+	if (__show_timeout) {
+		ICMP_HOST *host = (ICMP_HOST *) arg;
+		printf("timeout: from %s, %.2f ms\r\n", host->dest_ip, status->rtt);
+	}
+}
+
+static void unreach_callback(ICMP_PKT_STATUS *status acl_unused, void *arg)
+{
+	if (__show_unreach) {
+		ICMP_HOST *host = (ICMP_HOST *) arg;
+		printf("unreach: from %st\r\n", host->dest_ip);
+	}
+}
+
+static void finish_callback(ICMP_HOST *host, void *arg acl_unused)
+{
+	icmp_stat_host(host, 0);
+}
+
+static void fiber_pine_one(ACL_FIBER *fiber acl_unused, void *arg)
+{
+	char *ip = (char*) arg;
+	ICMP_CHAT *chat = icmp_chat_create(NULL, 1);
+	ICMP_HOST *host = icmp_host_new(chat, ip, ip, __npkt, 64,
+		__delay, __timeout);
+
+	icmp_host_set(host, host, reply_callback, timeout_callback,
+		unreach_callback, finish_callback);
+
+	icmp_chat(host);
+
+	icmp_host_free(host);
+	icmp_chat_free(chat);
+
+	acl_myfree(ip);
+
+	if (--__nfibers == 0)
+		acl_fiber_schedule_stop();
+}
+
 static void usage(const char* progname)
 {
 	printf("usage: %s -h help\r\n"
 		" -d delay[milliseconds]\r\n"
 		" -t timout[milliseconds]\r\n"
 		" -z stack_size\r\n"
+		" -f ip_list_file\r\n"
+		" -s show_result_list[timeout,reply,unreach]\r\n"
 		" -b benchmark [if > 0 dest will be ignored]\r\n"
 		" -n npkt dest1 dest2...\r\n", progname);
 
 	printf("example: %s -n 10 www.sina.com.cn www.qq.com\r\n", progname);
 }
 
+static void show_list(const char *s)
+{
+	ACL_ITER iter;
+	ACL_ARGV *tokens = acl_argv_split(s, ",;: \t\r\n");
+
+#define EQ	!strcasecmp
+
+	acl_foreach(iter, tokens) {
+		const char *ptr = (const char *) iter.data;
+		if (EQ(ptr, "timeout"))
+			__show_timeout = 1;
+		else if (EQ(ptr, "reply"))
+			__show_reply = 1;
+		else if (EQ(ptr, "unreach"))
+			__show_unreach = 1;
+	}
+
+	acl_argv_free(tokens);
+}
+
 /* 当收到 SIGINT 信号(即在 PING 过程中用户按下 ctrl + c)时的信号处理函数 */
 static void on_sigint(int signo acl_unused)
 {
@@ -80,11 +156,14 @@ int main(int argc, char* argv[])
 {
 	char  ch;
 	int   i, stack_size = 16000;
+	char  iplist[256];
 
 	signal(SIGINT, on_sigint);  /* 用户按下 ctr + c 时中断 PING 程序 */
 	acl_msg_stdout_enable(1);  /* 允许 acl_msg_xxx 记录的信息输出至屏幕 */
 
-	while ((ch = getopt(argc, argv, "hn:d:z:b:t:")) > 0) {
+	iplist[0] = 0;
+
+	while ((ch = getopt(argc, argv, "hn:d:z:b:t:f:s:")) > 0) {
 		switch (ch) {
 		case 'n':
 			__npkt = atoi(optarg);
@@ -104,6 +183,12 @@ int main(int argc, char* argv[])
 		case 'b':
 			__benchmark = atoi(optarg);
 			break;
+		case 'f':
+			ACL_SAFE_STRNCPY(iplist, optarg, sizeof(iplist));
+			break;
+		case 's':
+			show_list(optarg);
+			break;
 		default:
 			break;
 		}
@@ -119,6 +204,32 @@ int main(int argc, char* argv[])
 
 		for (i = 0; i < __benchmark; i++)
 			acl_fiber_create(fiber_ping, localhost, stack_size);
+	} else if (iplist[0]) {
+		ACL_ARGV *ips = acl_argv_alloc(10240);
+		ACL_FILE *fp = acl_fopen(iplist, "r");
+		ACL_ITER  iter;
+
+		if (fp == NULL) {
+			printf("open file %s error %s\r\n",
+				iplist, acl_last_serror());
+			acl_argv_free(ips);
+			return 1;
+		}
+		while (!acl_feof(fp)) {
+			char line[256];
+			if (acl_fgets_nonl(line, sizeof(line), fp) == NULL)
+				break;
+			acl_argv_add(ips, line, NULL);
+		}
+		acl_fclose(fp);
+
+		acl_foreach(iter, ips) {
+			char *ip = acl_mystrdup((char*) iter.data);
+			acl_fiber_create(fiber_pine_one, ip, stack_size);
+		}
+
+		__nfibers = acl_argv_size(ips);
+		acl_argv_free(ips);
 	} else {
 		if (optind == argc) {
 			usage(argv[0]);
diff --git a/lib_protocol/include/icmp/lib_icmp_type.h b/lib_protocol/include/icmp/lib_icmp_type.h
index 80d5c2458..884d0a25c 100644
--- a/lib_protocol/include/icmp/lib_icmp_type.h
+++ b/lib_protocol/include/icmp/lib_icmp_type.h
@@ -21,12 +21,12 @@ struct ICMP_STAT {
 /**< ICMP 所发送的每个 PING 包之后的主机状态应答 */
 struct ICMP_PKT_STATUS {
 	size_t reply_len;               /**< 包回复的数据长度 */
-	char  frome_ip[32];             /**< 源地址 */
+	char   from_ip[32];             /**< 源地址 */
 
-	double rtt;                     /**< 往返时间(毫秒)(Round Trip Time) */
+	double         rtt;             /**< 往返时间(毫秒)(Round Trip Time) */
 	unsigned short seq;             /**< 序列号(seq no) */
-	unsigned char ttl;              /**< 生存时间(time to live) */
-	char status;
+	unsigned char  ttl;              /**< 生存时间(time to live) */
+	char           status;
 #define ICMP_STATUS_OK          0
 #define ICMP_STATUS_UNREACH     1
 #define ICMP_STATUS_TIMEOUT     2
@@ -47,8 +47,8 @@ struct ICMP_HOST {
 	size_t nsent;               /**< 已经发送给该目的主机包的个数 */
 
 	char  enable_log;           /**< 是否将响应包的信息记日志 */
-	ACL_RING host_ring;         /**< 由此链入 ICMP_CHAT->host_head 链中 */
-	ACL_RING pkt_head;          /**< 发送给目的主机数据包的链的链头 */
+	ACL_RING   host_ring;       /**< 由此链入 ICMP_CHAT->host_head 链中 */
+	ACL_RING   pkt_head;        /**< 发送给目的主机数据包的链的链头 */
 	ICMP_CHAT *chat;            /**< 所属的通信对象 */
 
 	/**< 汇报发送包的响应包状态 */
diff --git a/lib_protocol/src/icmp/icmp_pkt.c b/lib_protocol/src/icmp/icmp_pkt.c
index 461f6ebad..1ad820867 100644
--- a/lib_protocol/src/icmp/icmp_pkt.c
+++ b/lib_protocol/src/icmp/icmp_pkt.c
@@ -98,13 +98,14 @@ void icmp_pkt_save(ICMP_PKT* to, const ICMP_PKT* from)
 	to->pkt_status.reply_len = from->pkt_status.reply_len;
 	to->pkt_status.rtt = stamp_sub(&from->stamp, &to->stamp);
 	to->pkt_status.ttl = from->pkt_status.ttl;
-	snprintf(to->pkt_status.frome_ip, sizeof(to->pkt_status.frome_ip),
-		"%s", from->pkt_status.frome_ip);
+	snprintf(to->pkt_status.from_ip, sizeof(to->pkt_status.from_ip),
+		"%s", from->pkt_status.from_ip);
 
 	to->pkt_status.status = ICMP_STATUS_OK;
 }
 
-int icmp_pkt_unpack(const ICMP_CHAT *chat, const char *buf, int bytes, ICMP_PKT *pkt)
+int icmp_pkt_unpack(const ICMP_CHAT *chat, const char *buf,
+	int bytes, ICMP_PKT *pkt)
 {
 	const IP_HDR *iphdr;
 	const ICMP_HDR *icmphdr;
@@ -115,7 +116,8 @@ int icmp_pkt_unpack(const ICMP_CHAT *chat, const char *buf, int bytes, ICMP_PKT
 	iphdrlen = iphdr->h_len * 4 ; /* number of 32-bit words *4 = bytes */
 
 	if (bytes < iphdrlen + ICMP_MIN) {
-		acl_msg_error("Too few bytes from %s", inet_ntoa(chat->is->from.sin_addr));
+		acl_msg_error("Too few bytes from %s",
+			inet_ntoa(chat->is->from.sin_addr));
 		return (-1);
 	}
 
@@ -145,7 +147,7 @@ int icmp_pkt_unpack(const ICMP_CHAT *chat, const char *buf, int bytes, ICMP_PKT
 	pkt->pkt_status.status = ICMP_STATUS_OK;
 	pkt->pkt_status.seq = icmphdr->seq;
 	pkt->pkt_status.ttl = iphdr->ttl;
-	snprintf(pkt->pkt_status.frome_ip, sizeof(pkt->pkt_status.frome_ip),
+	snprintf(pkt->pkt_status.from_ip, sizeof(pkt->pkt_status.from_ip),
 		"%s", inet_ntoa(chat->is->from.sin_addr));
 	return (0);
 }
diff --git a/lib_protocol/src/icmp/icmp_stat.c b/lib_protocol/src/icmp/icmp_stat.c
index 5a5682ac7..d15980d06 100644
--- a/lib_protocol/src/icmp/icmp_stat.c
+++ b/lib_protocol/src/icmp/icmp_stat.c
@@ -27,7 +27,7 @@ void icmp_stat_report(ICMP_PKT *pkt)
 	pkt->pkt_status.status = ICMP_STATUS_OK;
 	if (pkt->icmp_host->enable_log)
 		acl_msg_info("Reply from %s: bytes=%d time=%.3fms TTL=%d icmp_seq=%d status=%d",
-			pkt->pkt_status.frome_ip, (int) pkt->pkt_status.reply_len,
+			pkt->pkt_status.from_ip, (int) pkt->pkt_status.reply_len,
 			pkt->pkt_status.rtt, pkt->pkt_status.ttl,
 			pkt->pkt_status.seq, pkt->pkt_status.status);