diff --git a/bin/tsg_log_field.conf b/bin/tsg_log_field.conf
index b1561b1..fac4bee 100644
--- a/bin/tsg_log_field.conf
+++ b/bin/tsg_log_field.conf
@@ -47,5 +47,6 @@ STRING		common_clinet_asn	39
 STRING		common_server_asn	40
 STRING		common_clinet_location	41
 STRING		common_server_location	42
-STRING		quic_sni		43
-STRING		ssl_ja3_fingerprint	44
+STRING		quic_sni			43
+STRING		ssl_ja3_fingerprint		44
+STRING		common_data_center	45
\ No newline at end of file
diff --git a/src/tsg_entry.h b/src/tsg_entry.h
index bc613e8..e756f6f 100644
--- a/src/tsg_entry.h
+++ b/src/tsg_entry.h
@@ -97,6 +97,7 @@ typedef	struct _tsg_para
 	int proto_flag; //tsg_protocol_t
 	int fs2_field_id[TSG_FS2_MAX];
 	char device_sn[MAX_DOAMIN_LEN/8];
+	char data_center[_MAX_TABLE_NAME_LEN];
 	char table_name[TABLE_MAX][_MAX_TABLE_NAME_LEN];
 	void *logger;
 	screen_stat_handle_t fs2_handle;
diff --git a/src/tsg_rule.cpp b/src/tsg_rule.cpp
index 8d34bd8..bdb0d24 100644
--- a/src/tsg_rule.cpp
+++ b/src/tsg_rule.cpp
@@ -6,7 +6,7 @@
 #include <arpa/inet.h>
 #include <MESA/stream.h>
 #include <MESA/MESA_prof_load.h>
-
+#include "MESA/cJSON.h"
 #include "MESA/MESA_handle_logger.h"
 #include "Maat_rule.h"
 #include "Maat_command.h"
@@ -124,6 +124,39 @@ static int proto_str2id(tsg_protocol_t proto)
 	return 0;
 }
 
+static int get_data_center(char *accept_tag, char *data_center, int data_center_len)
+{
+	int i=0,len;
+	cJSON *object=cJSON_Parse(accept_tag);
+	if(object!=NULL)
+	{
+		cJSON *array=cJSON_GetObjectItem(object, "tags");
+		if(array!=NULL)
+		{
+			for(i=0; i<cJSON_GetArraySize(array); i++)
+			{
+				cJSON *item=cJSON_GetArrayItem(array, i);
+				if(item!=NULL)
+				{
+					cJSON *tag_item=cJSON_GetObjectItem(item, "tag");
+					if(tag_item!=NULL && tag_item->valuestring!=NULL && (memcmp("device_id", tag_item->valuestring, strlen("device_id")))==0)
+					{
+						cJSON *v_item=cJSON_GetObjectItem(item, "value");
+						if(v_item!=NULL && v_item->valuestring!=NULL)
+						{
+							len=strlen(v_item->valuestring);
+							memcpy(data_center, v_item->valuestring, (len>data_center_len-1 ? data_center_len-1 : len));
+						}
+						return 1;
+					}
+				}
+			}
+		}
+	}
+
+	return 0;
+}
+
 static void eliminate_default_value(char *value)
 {
 	if(value!=NULL && (memcmp(value, "null", 4))==0)
@@ -419,8 +452,22 @@ static Maat_feather_t init_maat_feather(const char* conffile, char* instance_nam
 
 	memset(effective_flag, 0, sizeof(effective_flag));	
 	MESA_load_profile_string_def(conffile, module, "EFFECTIVE_RANGE_FILE", effective_range_filename, sizeof(effective_range_filename),"./tsgconf/maat.conf");
-	MESA_load_profile_string_def(conffile, "MAAT", "ACCEPT_TAGS", effective_flag, sizeof(effective_flag),"");
 
+	if(strlen(effective_range_filename)>0)
+	{
+		MESA_load_profile_string_def(effective_range_filename, "MAAT", "ACCEPT_TAGS", effective_flag, sizeof(effective_flag),"");
+	}
+
+	if(strlen(effective_flag)==0)
+	{
+		MESA_load_profile_string_def(conffile, "MAAT", "ACCEPT_TAGS", effective_flag, sizeof(effective_flag),"");
+	}
+
+	if(strlen(g_tsg_para.data_center)==0 && strlen(effective_flag)>0)
+	{
+		get_data_center(effective_flag, g_tsg_para.data_center, sizeof(g_tsg_para.data_center));
+	}
+	
 	MESA_load_profile_int_def(conffile, module,"MAAT_MODE", &(maat_mode),0);
 	MESA_load_profile_int_def(conffile, module,"STAT_SWITCH", &(maat_stat_on),1);
 	MESA_load_profile_int_def(conffile, module,"PERF_SWITCH", &(maat_perf_on),1);
@@ -515,7 +562,7 @@ int tsg_rule_init(const char* conffile, void *logger)
 	
 	MESA_load_profile_int_def(conffile, "MAAT","APP_ID_TABLE_TYPE", &g_tsg_para.app_id_table_type, 1);
 
-	MESA_load_profile_string_def(conffile, "MAAT", "PROFILE", maat_conffile, sizeof(maat_conffile), "./tsgconf/maat_profile.conf");	
+	MESA_load_profile_string_def(conffile, "MAAT", "PROFILE", maat_conffile, sizeof(maat_conffile), "./tsgconf/maat.conf");	
 	MESA_load_profile_string_def(conffile, "MAAT", "IP_ADDR_TABLE", g_tsg_para.table_name[TABLE_IP_ADDR], _MAX_TABLE_NAME_LEN, "TSG_SECURITY_ADDR");
 	MESA_load_profile_string_def(conffile, "MAAT", "SUBSCRIBER_ID_TABLE", g_tsg_para.table_name[TABLE_SUBSCRIBER_ID], _MAX_TABLE_NAME_LEN, "TSG_OBJ_SUBSCRIBER_ID");
 	MESA_load_profile_string_def(conffile, "MAAT", "APP_ID_TABLE", g_tsg_para.table_name[TABLE_APP_ID], _MAX_TABLE_NAME_LEN, "TSG_OBJ_APP_ID");
diff --git a/src/tsg_send_log.cpp b/src/tsg_send_log.cpp
index eabb1d2..42e1312 100644
--- a/src/tsg_send_log.cpp
+++ b/src/tsg_send_log.cpp
@@ -614,8 +614,16 @@ int tsg_send_log(struct tsg_log_instance_t *instance, struct TLD_handle_t *handl
 	
 	TLD_append_streaminfo(instance, handle, log_msg->a_stream);
 	TLD_append(_handle, _instance->id2field[LOG_COMMON_SLED_IP].name, (void *)(_instance->local_ip_str), TLD_TYPE_STRING);
-	TLD_append(_handle, _instance->id2field[LOG_COMMON_DEVICE_ID].name, (void *)(g_tsg_para.device_sn), TLD_TYPE_STRING);
+	if(strlen(g_tsg_para.device_sn)>0)
+	{
+		TLD_append(_handle, _instance->id2field[LOG_COMMON_DEVICE_ID].name, (void *)(g_tsg_para.device_sn), TLD_TYPE_STRING);
+	}
 
+	if(strlen(g_tsg_para.data_center)>0)
+	{
+		TLD_append(_handle, _instance->id2field[LOG_COMMON_DATA_CENTER].name, (void *)(g_tsg_para.data_center), TLD_TYPE_STRING);
+	}
+	
 	for(i=0;i<log_msg->result_num; i++)
 	{
 		if(is_multi_hit_same_policy(&(log_msg->result[i]), policy_id, &repeat_cnt))
diff --git a/src/tsg_send_log_internal.h b/src/tsg_send_log_internal.h
index e66fc68..9310d6d 100644
--- a/src/tsg_send_log_internal.h
+++ b/src/tsg_send_log_internal.h
@@ -69,6 +69,7 @@ typedef enum _tsg_log_field_id
 	LOG_COMMON_SERVER_LOCATION,
 	LOG_QUIC_SNI,
 	LOG_SSL_JA3_FINGERPRINT,
+	LOG_COMMON_DATA_CENTER,
 	LOG_COMMON_MAX
 }tsg_log_field_id_t;