diff --git a/trunk/configure b/trunk/configure
index f2d68473f..1126c3371 100755
--- a/trunk/configure
+++ b/trunk/configure
@@ -151,13 +151,18 @@ MAIN_OBJS="${MODULE_OBJS[@].o}"
 #
 # all main entrances
 MAIN_ENTRANCES=("srs_main_server" "srs_main_bandcheck")
+# 
 # all depends libraries
 ModuleLibFiles=(${LibSTfile} ${LibHttpParserfile} ${LibSSLfile})
 # all depends objects
 MODULE_OBJS="${CORE_OBJS[@]} ${CONFIG_OBJS[@]} ${PROTOCOL_OBJS[@]} ${MAIN_OBJS[@]}"
 LINK_OPTIONS="-ldl"
+#
+# srs:
 # srs(simple rtmp server) over st(state-threads)
 BUILD_KEY="srs" APP_MAIN="srs_main_server" APP_NAME="srs" . auto/apps.sh
+#
+# bandwidth
 # bandwidth test tool, to test the bandwidth to server
 BUILD_KEY="bandwidth" APP_MAIN="srs_main_bandcheck" APP_NAME="bandwidth" . auto/apps.sh