diff --git a/src/tsg_entry.cpp b/src/tsg_entry.cpp
index 0a3c1e0..d38c8e4 100644
--- a/src/tsg_entry.cpp
+++ b/src/tsg_entry.cpp
@@ -111,6 +111,21 @@ static int tsg_get_sn(char *filename, char *device_sn, int device_sn_len)
 	return flags;
 }
 
+static int get_device_id(char *command, int entrance_id)
+{
+	FILE *fp=NULL; 
+	char buffer[128]={0};
+
+	fp=popen(command, "r"); 
+	if(fp)
+	{
+		fgets(buffer,sizeof(buffer),fp); 
+    	pclose(fp);
+	}
+	
+	return (entrance_id<<7)+(atoi(buffer)%128);
+}
+
 static int tsg_proto_name2flag(char *proto_list, int *flag)
 {
 	int i=0;
@@ -1153,9 +1168,12 @@ extern "C" int TSG_MASTER_INIT()
 	MESA_load_profile_string_def(tsg_conffile, "SYSTEM", "IDENTIFY_PROTO_NAME", identify_proto_name, sizeof(identify_proto_name), "HTTP;SSL;DNS;FTP;BGP;SIP;MAIL;STREAMING_MEDIA;QUIC;");
 	tsg_proto_name2flag(identify_proto_name, &g_tsg_para.proto_flag);
 
-	MESA_load_profile_int_def(tsg_conffile, "SYSTEM", "DEVICE_ID", &g_tsg_para.device_id, 0);
+	MESA_load_profile_int_def(tsg_conffile, "SYSTEM", "ENTRANCE_ID", &g_tsg_para.entrance_id, 0);
 	MESA_load_profile_short_def(tsg_conffile, "SYSTEM", "TIMEOUT", (short *)&g_tsg_para.timeout, 300);
-	
+
+	MESA_load_profile_string_def(tsg_conffile, "SYSTEM", "DEVICE_ID_COMMAND", g_tsg_para.device_id_command, sizeof(g_tsg_para.device_id_command), NULL);
+	g_tsg_para.device_id=get_device_id(g_tsg_para.device_id_command, g_tsg_para.entrance_id);
+		
 	MESA_load_profile_string_def(tsg_conffile, "SYSTEM", "DEVICE_SN_FILENAME", device_sn_filename, sizeof(device_sn_filename), "/opt/tsg/etc/tsg_sn.json");
 	ret=tsg_get_sn(device_sn_filename, g_tsg_para.device_sn, sizeof(g_tsg_para.device_sn));
 	if(ret==0)
diff --git a/src/tsg_entry.h b/src/tsg_entry.h
index d03fb88..1459c51 100644
--- a/src/tsg_entry.h
+++ b/src/tsg_entry.h
@@ -101,7 +101,8 @@ typedef	struct _tsg_para
 	int level;
 	unsigned short timeout;
 	int app_id_table_type;
-	int device_id;	
+	int device_id;
+	int entrance_id;
 	int table_id[TABLE_MAX];
 	int dyn_subscribe_ip_table_id; //TSG_DYN_SUBSCRIBER_IP
 	int priority_project_id;
@@ -110,6 +111,7 @@ typedef	struct _tsg_para
 	int fs2_field_id[TSG_FS2_MAX];
 	char device_sn[MAX_DOAMIN_LEN/8];
 	char log_path[MAX_DOAMIN_LEN/8];
+	char device_id_command[MAX_DOAMIN_LEN/8];
 	char data_center[_MAX_TABLE_NAME_LEN];
 	char table_name[TABLE_MAX][_MAX_TABLE_NAME_LEN];
 	void *logger;