diff --git a/README.md b/README.md
index d48aeb930..f0775ad5a 100755
--- a/README.md
+++ b/README.md
@@ -169,7 +169,7 @@ See also: [Performance Test Guide](https://github.com/winlinvip/simple-rtmp-serv
 * nginx v1.5.0: 139524 lines <br/>
 
 ## History
-* v1.0, 2014-03-22, support make install and uninstall.
+* v1.0, 2014-03-22, support make install/install-api and uninstall.
 * v1.0, 2014-03-22, add ./etc/init.d/srs, refine to support make clean then make.
 * v1.0, 2014-03-21, write pid to ./objs/srs.pid.
 * v1.0, 2014-03-20, refine hls code, support pure audio HLS.
diff --git a/trunk/auto/local_ip.sh b/trunk/auto/local_ip.sh
new file mode 100755
index 000000000..a6325f049
--- /dev/null
+++ b/trunk/auto/local_ip.sh
@@ -0,0 +1,6 @@
+ip=`ifconfig 2>&1|grep 'inet addr'|grep -v '127.0.0.1'|awk 'NR==1 {print $2}'|awk -F ':' '{print $2}'`
+if [[ -z $ip ]]; then 
+    echo "localhost"
+else
+    echo $ip
+fi
diff --git a/trunk/configure b/trunk/configure
index 84ed93cc6..9e7b7c8f4 100755
--- a/trunk/configure
+++ b/trunk/configure
@@ -158,7 +158,7 @@ END
 # makefile
 echo "generate Makefile"
 cat << END > ${SRS_MAKEFILE}
-.PHONY: default _default install help clean server bandwidth librtmp librtmp-sample utest _prepare_dir
+.PHONY: default _default install install-api help clean server bandwidth librtmp librtmp-sample utest _prepare_dir
 
 # install prefix.
 SRS_PREFIX=${SRS_PREFIX}
@@ -187,7 +187,7 @@ _default: bandwidth librtmp-sample utest
 	@bash objs/_srs_build_summary.sh
 
 help:
-	@echo "Usage: make <help>|<clean>|<server>|<bandwidth>|<librtmp>|<librtmp-sample>|<utest>|<install>|<install-demo>|<uninstall>"
+	@echo "Usage: make <help>|<clean>|<server>|<bandwidth>|<librtmp>|<librtmp-sample>|<utest>|<install>|<install-api>|<uninstall>"
 	@echo "  help               display this help menu"
 	@echo "  clean              cleanup project"
 	@echo "  server             build the srs(simple rtmp server) over st(state-threads)"
@@ -196,7 +196,7 @@ help:
 	@echo "  librtmp-sample     build the srs-librtmp sample"
 	@echo "  utest              build the utest for srs"
 	@echo "  install            install srs to the prefix path"
-	@echo "  install-demo       install srs demo to the prefix path"
+	@echo "  install-api        install srs api to the prefix path"
 	@echo "  uninstall          uninstall srs from prefix path"
 
 clean: 
@@ -216,7 +216,7 @@ uninstall:
 	@echo "rmdir \$(SRS_PREFIX)"
 	@rm -rf \$(SRS_PREFIX)
 
-install-demo: install
+install-api: install
 	@echo "mkdir \$(SRS_PREFIX)"
 	@mkdir -p \$(SRS_PREFIX)
 	@echo "copy binary files"
@@ -233,6 +233,12 @@ install-demo: install
 	@mkdir -p \$(SRS_PREFIX)/etc/init.d
 	@cp etc/init.d/srs-api \$(SRS_PREFIX)/etc/init.d
 	@sed -i "s|^ROOT=.*|ROOT=\"\$(SRS_PREFIX)\"|g" \$(SRS_PREFIX)/etc/init.d/srs-api
+	@echo ""
+	@echo "api installed, to link and start api:"
+	@echo "     sudo ln -sf /usr/local/srs/etc/init.d/srs-api /etc/init.d/srs-api"
+	@echo "     /etc/init.d/srs-api start"
+	@echo "     http://$(shell bash auto/local_ip.sh):8085"
+	@echo "@see: https://github.com/winlinvip/simple-rtmp-server/wiki/LinuxService"
 
 install:
 	@echo "mkdir \$(SRS_PREFIX)"
@@ -247,6 +253,11 @@ install:
 	@mkdir -p \$(SRS_PREFIX)/etc/init.d
 	@cp etc/init.d/srs \$(SRS_PREFIX)/etc/init.d
 	@sed -i "s|^ROOT=.*|ROOT=\"\$(SRS_PREFIX)\"|g" \$(SRS_PREFIX)/etc/init.d/srs
+	@echo ""
+	@echo "srs installed, to link and start srs:"
+	@echo "     sudo ln -sf /usr/local/srs/etc/init.d/srs /etc/init.d/srs"
+	@echo "     /etc/init.d/srs start"
+	@echo "@see: https://github.com/winlinvip/simple-rtmp-server/wiki/LinuxService"
 
 END
 
diff --git a/trunk/etc/init.d/srs b/trunk/etc/init.d/srs
index 16ea03879..9b7bf849c 100755
--- a/trunk/etc/init.d/srs
+++ b/trunk/etc/init.d/srs
@@ -71,6 +71,15 @@ start() {
     (cd ${ROOT}; nohup ${APP} -c ${CONFIG} >/dev/null 2>&1 &)
     
     # check again after start server
+    sleep 0.5
+    for ((i = 0; i < 5; i++)); do
+        # sleep a little while, for srs may start then crash.
+        sleep 0.1
+        load_process_info
+        ret=$?; if [[ 0 -ne $ret ]]; then failed_msg "SRS start failed"; return $ret; fi
+    done
+    
+    # check whether started.
     load_process_info
     ret=$?; if [[ 0 -eq $? ]]; then ok_msg "SRS started(pid ${srs_pid})"; return 0; fi