diff --git a/trunk/configure b/trunk/configure
index d6b3cbe82..12f11b668 100755
--- a/trunk/configure
+++ b/trunk/configure
@@ -204,6 +204,7 @@ clean:
 	(cd ${SRS_OBJS}; rm -f rm -rf srs bandwidth srs_utest)
 	(cd ${SRS_OBJS}; rm -rf src research include lib utest)
 	(cd research/librtmp; make clean)
+	(cd research/api-server/static-dir; rm -rf crossdomain.xml forward live players)
 
 server: _prepare_dir
 	@echo "build the srs(simple rtmp server) over st(state-threads)"
diff --git a/trunk/src/main/srs_main_server.cpp b/trunk/src/main/srs_main_server.cpp
index fea5db52b..5f9c5624d 100644
--- a/trunk/src/main/srs_main_server.cpp
+++ b/trunk/src/main/srs_main_server.cpp
@@ -131,7 +131,7 @@ int main(int argc, char** argv)
 {
     int ret = ERROR_SUCCESS;
     
-    srs_trace("srs(simple-rtmp-server)");
+    srs_trace("srs(simple-rtmp-server) "RTMP_SIG_SRS_VERSION);
     
     // TODO: support both little and big endian.
     srs_assert(srs_is_little_endian());