diff --git a/src/entry/Maat_command.cpp b/src/entry/Maat_command.cpp
index 040d53f..5c96059 100644
--- a/src/entry/Maat_command.cpp
+++ b/src/entry/Maat_command.cpp
@@ -1602,6 +1602,7 @@ int redis_flush_DB(redisContext* ctx, int db_index, void* logger)
 	freeReplyObject(data_reply);
 	
 	data_reply=_wrap_redisCommand(ctx,"MULTI");
+	
 	redisAppendCommand(ctx,"FLUSHDB");
 	append_cmd_cnt++;
 	redisAppendCommand(ctx,"SET MAAT_VERSION %lld",maat_redis_version);
@@ -1611,7 +1612,7 @@ int redis_flush_DB(redisContext* ctx, int db_index, void* logger)
 	redisAppendCommand(ctx,"SET SEQUENCE_GROUP 1",maat_redis_version);
 	append_cmd_cnt++;
 	redisAppendCommand(ctx,"EXEC");
-	
+	append_cmd_cnt++;
 	for(i=0;i<append_cmd_cnt;i++)
 	{
 		_wrap_redisGetReply(ctx, &data_reply);
diff --git a/src/entry/Maat_rule.cpp b/src/entry/Maat_rule.cpp
index 64a215a..43c6c95 100644
--- a/src/entry/Maat_rule.cpp
+++ b/src/entry/Maat_rule.cpp
@@ -30,7 +30,7 @@
 #include "stream_fuzzy_hash.h"
 #include "gram_index_engine.h"
 
-int MAAT_FRAME_VERSION_2_1_20180315=1;
+int MAAT_FRAME_VERSION_2_1_20180316=1;
 
 const char* CHARSET_STRING[]={"NONE","gbk","big5","unicode","utf8","bin",
 							"unicode_ascii_esc","unicode_ascii_aligned","unicode_ncr_dec","unicode_ncr_hex","url_encode_gb2312","url_encode_utf8",""};
diff --git a/test/maat_test.cpp b/test/maat_test.cpp
index a2de3ea..e455d8a 100644
--- a/test/maat_test.cpp
+++ b/test/maat_test.cpp
@@ -1059,7 +1059,11 @@ int main(int argc,char* argv[])
 		test_command(feather);
 		test_set_cmd_line(feather);
 		test_add_ip_command(feather,"IP_CONFIG");
-		Maat_cmd_flushDB(feather);
+		if(0==Maat_cmd_flushDB(feather))
+		{
+			printf("Test empty Redis Success.\n");
+		}
+		test_set_cmd_line(feather);
 	}
 	test_sfh_digest(test_digest_file);
 	sleep(wait_second);