diff --git a/inc/Maat_rule.h b/inc/Maat_rule.h
index 655ec82..2de6aeb 100644
--- a/inc/Maat_rule.h
+++ b/inc/Maat_rule.h
@@ -143,8 +143,9 @@ enum MAAT_INIT_OPT
 	MAAT_OPT_STAT_ON,				//VALUE is indifferent,SIZE is indifferent.MAAT_OPT_STAT_FILE_PATH must be set.Default: stat OFF.
 	MAAT_OPT_PERF_ON,					//VALUE is indifferent,SIZE is indifferent.MAAT_OPT_STAT_FILE_PATH must be set.Default: stat OFF.
 	MAAT_OPT_STAT_FILE_PATH,			//VALUE is a const char*,MUST end with '\0',SIZE= strlen(string+'\0')+1.DEFAULT: no default.
-	MAAT_OPT_SCAN_DETAIL				//VALUE is interger,SIZE=sizeof(int). 0: not return any detail;1: return  hit pos, not include regex grouping;
+	MAAT_OPT_SCAN_DETAIL,				//VALUE is interger,SIZE=sizeof(int). 0: not return any detail;1: return  hit pos, not include regex grouping;
 										//  2 return hit pos and regex grouping pos;DEFAULT:0
+	MAAT_OPT_INSTANCE_NAME			//VALUE is a const char*,MUST end with '\0',SIZE= strlen(string+'\0')+1,no more than 11 bytes.DEFAULT: MAAT_$tableinfo_path$.
 };
 //return -1 if failed, return 0 on success;
 int Maat_set_feather_opt(Maat_feather_t feather,enum MAAT_INIT_OPT  type,const void* value,int size);
diff --git a/src/entry/Maat_api.cpp b/src/entry/Maat_api.cpp
index 074ff14..500b0c2 100644
--- a/src/entry/Maat_api.cpp
+++ b/src/entry/Maat_api.cpp
@@ -454,6 +454,7 @@ Maat_feather_t Maat_feather(int max_thread_num,const char* table_info_path,void*
 	feather->hit_cnt=aligment_int64_array_alloc(max_thread_num);
 	feather->maat_version=0;
 	feather->last_full_version=0;
+	snprintf(feather->table_info_fn,sizeof(feather->table_info_fn),"%s",table_info_path);
 	return feather;
 }
 int Maat_set_feather_opt(Maat_feather_t feather,enum MAAT_INIT_OPT type,const void* value,int size)
@@ -530,6 +531,12 @@ int Maat_set_feather_opt(Maat_feather_t feather,enum MAAT_INIT_OPT type,const vo
 			intval=*(const int*)value;
 			_feather->rule_scan_type=intval;
 			break;
+		case MAAT_OPT_INSTANCE_NAME:
+			snprintf(_feather->instance_name
+					,sizeof(_feather->instance_name)
+					,"%s",
+					(const char*)value);
+			break;
 		default:
 			return -1;
 	}
diff --git a/src/entry/Maat_rule.cpp b/src/entry/Maat_rule.cpp
index e1ae779..cae545c 100644
--- a/src/entry/Maat_rule.cpp
+++ b/src/entry/Maat_rule.cpp
@@ -9,6 +9,7 @@
 #include <pthread.h>
 #include <unistd.h>
 #include <time.h>
+#include <sys/prctl.h>
 #include <MESA/MESA_htable.h>
 #include <MESA/MESA_list_queue.h>
 #include <MESA/MESA_handle_logger.h>
@@ -2949,7 +2950,20 @@ void *thread_rule_monitor(void *arg)
 	const char* inc_cfg_dir=(const char*)feather->inc_dir;
 	struct _Maat_scanner_t* old_scanner=NULL;
 	long expr_wait_q_cnt=0;
-	int scan_dir_cnt=0;
+	int scan_dir_cnt=0,ret=0;
+	char maat_name[16];//Defined by prctl: The name can be up to 16 bytes long,and should 
+						// be null  terminated if it contains fewer bytes.
+	if(strlen(feather->instance_name)>0)
+	{
+		snprintf(maat_name,sizeof(maat_name),"MAAT_%s",feather->instance_name);
+	}
+	else
+	{
+		snprintf(maat_name,sizeof(maat_name),"MAAT");
+	}
+	//ret=prctl(PR_SET_NAME,(unsigned long long)maat_name,NULL,NULL,NULL);
+	ret=pthread_setname_np(pthread_self(),maat_name);
+	assert(ret>=0);
 	while(feather->still_working)
 	{
 		usleep(feather->scan_interval_ms*1000);
diff --git a/src/entry/Maat_rule_internal.h b/src/entry/Maat_rule_internal.h
index 4051298..bbef18e 100644
--- a/src/entry/Maat_rule_internal.h
+++ b/src/entry/Maat_rule_internal.h
@@ -369,6 +369,8 @@ struct _Maat_feather_t
 	char inc_dir[MAX_TABLE_NAME_LEN];
 	char full_dir[MAX_TABLE_NAME_LEN];
 	char stat_file[MAX_TABLE_NAME_LEN];
+	char instance_name[MAX_TABLE_NAME_LEN];
+	char table_info_fn[MAX_TABLE_NAME_LEN];
 //for stat>>>>
 	screen_stat_handle_t stat_handle;
 	int total_stat_id;