diff --git a/readme.txt b/readme.txt
index 3e718fb..8b45fd1 100644
--- a/readme.txt
+++ b/readme.txt
@@ -33,4 +33,12 @@ gb2312;
 		2) use readdir_r in my_scandir;
 		3) fix segmentfault when have no config,again;
 		4) maat_json support plugin table;
-2015-10-19 check table_type in callback register;
\ No newline at end of file
+2015-07-03 1)print error when Maat_summon_feather  with a dir has no valid
+indexfile;
+		2)check AND_EXPR's match method;
+		3)remove restriction of IP table's protocol;
+		4)fix invalid write in insert_set_id function;
+2015-07-06 1)handle wrong expr format like "aa&&bb" and "aa&bb&";
+		2)iconv_convert performance optimized;
+2015-10-19 check table_type in callback register;
+2015-12-24 change plugin table update mechanism to save memory;
\ No newline at end of file
diff --git a/src/entry/Maat_rule.cpp b/src/entry/Maat_rule.cpp
index 4e322b1..a9ee04b 100644
--- a/src/entry/Maat_rule.cpp
+++ b/src/entry/Maat_rule.cpp
@@ -21,7 +21,7 @@
 #include "rulescan.h"
 #include "UniversalBoolMatch.h"
 
-int MAAT_FRAME_VERSION_1_2_20151113=0;
+int MAAT_FRAME_VERSION_1_2_20151224=1;
 const char *maat_module="MAAT Frame";
 const char* CHARSET_STRING[]={"CHARSET_NONE","GBK","BIG5","UNICODE","UTF-8"};
 
@@ -351,6 +351,7 @@ int read_table_info(struct _Maat_table_info_t** p_table_info,int num,const char*
 		{
 			p->cb_info=(struct _plugin_table_info*)calloc(sizeof(struct _plugin_table_info),1);
 			p->cb_info->cache_lines=dynamic_array_create(1024,1024);
+			pthread_mutex_init(&(p->cb_info->plugin_mutex),NULL);
 		}
 		p_table_info[p->table_id]=p;
 		table_cnt++;
@@ -1905,15 +1906,24 @@ void plugin_table_callback(struct _Maat_table_info_t* table,const char* table_li
 	int i=0;
 	unsigned int len=strlen(table_line)+1;
 	struct _plugin_table_info* p_table_cb=table->cb_info;
-	for(i=0;i<p_table_cb->cb_plug_cnt;i++)
+	char *p=NULL;
+	pthread_mutex_lock(&(p_table_cb->plugin_mutex));
+	if(p_table_cb->cb_plug_cnt>0)
 	{
-		p_table_cb->cb_plug[i].update(table->table_id,table_line,p_table_cb->cb_plug[i].u_para);
+		for(i=0;i<p_table_cb->cb_plug_cnt;i++)
+		{
+			p_table_cb->cb_plug[i].update(table->table_id,table_line,p_table_cb->cb_plug[i].u_para);
+		}
 	}
-	char *p=(char*)calloc(len,1);
-	memcpy(p,table_line,len);
-	p_table_cb->cache_size+=len;
-	dynamic_array_write(p_table_cb->cache_lines,p_table_cb->line_num,p);
-	p_table_cb->line_num++;
+	else
+	{
+		p=(char*)calloc(len,1);
+		memcpy(p,table_line,len);
+		p_table_cb->cache_size+=len;
+		dynamic_array_write(p_table_cb->cache_lines,p_table_cb->line_num,p);
+		p_table_cb->line_num++;
+	}
+	pthread_mutex_unlock(&(p_table_cb->plugin_mutex));
 }
 void maat_start_cb(unsigned int new_version,int update_type,void*u_para)
 {
@@ -2592,13 +2602,11 @@ int Maat_table_callback_register(Maat_feather_t feather,short table_id,
 	{
 		return -1;
 	}
-	if(p_table->table_type!=TABLE_TYPE_PLUGIN)
-	{
-		return -1;
-	}
+	pthread_mutex_lock(&(p_table->cb_info->plugin_mutex));
 	idx=p_table->cb_info->cb_plug_cnt;
 	if(idx==MAX_PLUGING_NUM)
 	{
+		pthread_mutex_unlock(&(p_table->cb_info->plugin_mutex));
 		return -1;
 	}
 	p_table->cb_info->cb_plug_cnt++;
@@ -2620,6 +2628,7 @@ int Maat_table_callback_register(Maat_feather_t feather,short table_id,
 		}
 		finish(u_para);
 	}
+	pthread_mutex_unlock(&(p_table->cb_info->plugin_mutex));
 	return 1;
 }
 int Maat_full_scan_string_detail(Maat_feather_t feather,int table_id
diff --git a/src/entry/Maat_rule_internal.h b/src/entry/Maat_rule_internal.h
index 736b9b6..122e8dd 100644
--- a/src/entry/Maat_rule_internal.h
+++ b/src/entry/Maat_rule_internal.h
@@ -179,6 +179,7 @@ struct _plugin_table_info
 	dynamic_array_t *cache_lines;
 	int line_num;
 	long cache_size;
+	pthread_mutex_t plugin_mutex;
 };
 struct _Maat_table_info_t
 {
diff --git a/src/entry/Makefile b/src/entry/Makefile
index 32f35c8..10aba93 100644
--- a/src/entry/Makefile
+++ b/src/entry/Makefile
@@ -5,7 +5,9 @@ CC		= g++
 CCC		= g++
 CFLAGS		= -Wall -g -fPIC
 CFLAGS		+= $(OPTFLAGS)
+LDDICTATOR	= -Wl,-wrap,malloc -Wl,-wrap,calloc -Wl,-wrap,free -Wl,-wrap,realloc
 LDFLAGS		=	-lMESA_handle_logger  -lMESA_htable -lpthread
+#LDFLAGS		+= $(LDDICTATOR)
 MAILLIB = ../lib
 
 G_H_DIR			=../inc_internal