diff --git a/conf/tfe/tfe.conf b/conf/tfe/tfe.conf
index 3020c87..651009c 100644
--- a/conf/tfe/tfe.conf
+++ b/conf/tfe/tfe.conf
@@ -43,5 +43,6 @@ statsd_port=8126
 histogram_bins=0.50,0.80,0.9,0.95
 
 [sender_scm]
+switch = 1
 kni_ip = 192.168.10.37
 kni_port = 8888
diff --git a/platform/include/internal/sender_scm.h b/platform/include/internal/sender_scm.h
index 690eb86..b773059 100644
--- a/platform/include/internal/sender_scm.h
+++ b/platform/include/internal/sender_scm.h
@@ -1,4 +1,4 @@
 struct sender_scm;
 struct sender_scm* sender_scm_init(const char *profile, void *logger);
 void send_scm_destroy(struct sender_scm *sender);
-int sender_scm_cmsg_send(struct sender_scm *sender, struct tfe_cmsg *cmsg);
+struct sender_scm* sender_scm_init(const char *profile, const char *section, void *logger);
diff --git a/platform/src/sender_scm.cpp b/platform/src/sender_scm.cpp
index 5bb1f4c..b5adc14 100644
--- a/platform/src/sender_scm.cpp
+++ b/platform/src/sender_scm.cpp
@@ -9,6 +9,7 @@ struct sender_scm
 {
 	int sockfd;
 	struct sockaddr_in server_addr;
+	int send_switch;
 	void *logger;
 };
 
@@ -24,16 +25,29 @@ void send_scm_destroy(struct sender_scm *sender)
 	FREE(&sender);
 }
 
-struct sender_scm* sender_scm_init(const char *profile, void *logger)
+
+/* TODO:
+0: switch
+1. no_blocking + eagain
+2. libevent
+3. field_stat: success/failed
+*/
+struct sender_scm* sender_scm_init(const char *profile, const char *section, void *logger)
 {
-	const char *section = "sender_scm";
 	char kni_ip[INET_ADDRSTRLEN] = "";
+	int send_switch = -1;
 	int kni_port = -1;
 	int sockfd = -1;
 	struct sockaddr_in server_addr;
 	struct sender_scm *sender = ALLOC(struct sender_scm, 1);
 	sender->logger = logger;
-	int ret = MESA_load_profile_string_nodef(profile, section, "kni_ip", kni_ip, sizeof(kni_ip));
+	int ret = MESA_load_profile_int_nodef(profile, section, "send_switch", &send_switch);
+	if(ret < 0)
+	{
+		TFE_LOG_ERROR(logger, "MESA_prof_load: send_switch not set, profile is %s, section is %s", profile, section);
+		goto error_out;
+	}
+	ret = MESA_load_profile_string_nodef(profile, section, "kni_ip", kni_ip, sizeof(kni_ip));
 	if(ret < 0)
 	{
 		TFE_LOG_ERROR(logger, "MESA_prof_load: kni_ip not set, profile is %s, section is %s", profile, section);
@@ -47,6 +61,11 @@ struct sender_scm* sender_scm_init(const char *profile, void *logger)
 	}
 	TFE_LOG_INFO(logger, "MESA_prof_load, [%s]:\n kni_ip: %s\n kni_port: %d",
 					section, kni_ip, kni_port);
+	sender->send_switch = send_switch;
+	if(send_switch == 0)
+	{
+		return sender;
+	}
 	//create socket
 	sockfd = socket(AF_INET, SOCK_DGRAM, 0);
 	if(sockfd < 0)
@@ -71,6 +90,11 @@ error_out:
 int sender_scm_cmsg_send(struct sender_scm *sender, struct tfe_cmsg *cmsg)
 {
 	void *logger = sender->logger;
+	int send_switch = sender->send_switch;
+	if(send_switch == 0)
+	{
+		return 0;
+	}
 	uint16_t bufflen = tfe_cmsg_serialize_size_get(cmsg);
 	unsigned char *buff = ALLOC(unsigned char, bufflen);
 	uint16_t serialize_len = 0;