diff --git a/src/entry/Maat_rule.cpp b/src/entry/Maat_rule.cpp
index 66f5279..ad2325e 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_20151019;
+int MAAT_FRAME_VERSION_1_2_20151103
 const char *maat_module="MAAT Frame";
 const char* CHARSET_STRING[]={"CHARSET_NONE","GBK","BIG5","UNICODE","UTF-8"};
 
@@ -641,7 +641,7 @@ struct _Maat_scanner_t* create_maat_scanner(unsigned int version,int scan_thread
 	
 	MESA_htable_create_args_t hargs;
 	memset(&hargs,0,sizeof(hargs));
-	hargs.thread_safe=1;
+	hargs.thread_safe=512;
 	hargs.hash_slot_size = 1024*1024;
 	hargs.max_elem_num = 0;
 	hargs.eliminate_type = HASH_ELIMINATE_ALGO_LRU;