diff --git a/CMakeLists.txt b/CMakeLists.txt
index d7e7e49e9a038acc6ca272433cd39b08c812eccc..090ac9e188422099cc4270b87064b5590e7b620c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,8 +2,8 @@ cmake_minimum_required(VERSION 2.8)
 
 project(paddle CXX C)
 set(PADDLE_MAJOR_VERSION 0)
-set(PADDLE_MINOR_VERSION 8)
-set(PADDLE_PATCH_VERSION 0b3)
+set(PADDLE_MINOR_VERSION 9)
+set(PADDLE_PATCH_VERSION 0a0)
 set(PADDLE_VERSION ${PADDLE_MAJOR_VERSION}.${PADDLE_MINOR_VERSION}.${PADDLE_PATCH_VERSION})
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
diff --git a/paddle/scripts/deb/build_scripts/build.sh b/paddle/scripts/deb/build_scripts/build.sh
index 66a1cfb247dad0292c0832046fb121d14b15b5ba..d13dea514841b110c304b8aa0e65ad16e42c75f3 100755
--- a/paddle/scripts/deb/build_scripts/build.sh
+++ b/paddle/scripts/deb/build_scripts/build.sh
@@ -1,12 +1,12 @@
 #!/bin/bash
 set -e
+apt-get update
 apt-get install -y dh-make
 cd ~
 mkdir -p ~/dist/gpu
 mkdir -p ~/dist/cpu
 mkdir -p ~/dist/cpu-noavx
 mkdir -p ~/dist/gpu-noavx
-git clone https://github.com/baidu/Paddle.git paddle
 cd paddle
 mkdir build
 cd build
diff --git a/paddle/scripts/deb/build_scripts/build_deb.sh b/paddle/scripts/deb/build_scripts/build_deb.sh
index 1331c1249d5a7eae8bf8f4648aacd8579363a402..c38c6299f840345b7f6f6e0aad7482241d36198a 100755
--- a/paddle/scripts/deb/build_scripts/build_deb.sh
+++ b/paddle/scripts/deb/build_scripts/build_deb.sh
@@ -3,6 +3,6 @@ set -e
 docker build -t build_paddle_deb .
 rm -rf dist
 mkdir -p dist
-docker run -v$PWD/dist:/root/dist --name tmp_build_deb_container build_paddle_deb
+docker run -v$PWD/dist:/root/dist -v $PWD/../../../..:/root/paddle --name tmp_build_deb_container build_paddle_deb
 docker rm tmp_build_deb_container
 docker rmi build_paddle_deb
diff --git a/paddle/scripts/docker/Dockerfile.cpu b/paddle/scripts/docker/Dockerfile.cpu
index a833c69c66900ee23176909ffce0835f6637c391..69b8363b7ac9eed033ec4958e189e233b3dc2689 100644
--- a/paddle/scripts/docker/Dockerfile.cpu
+++ b/paddle/scripts/docker/Dockerfile.cpu
@@ -1,7 +1,7 @@
 FROM ubuntu:14.04
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=OFF
 ENV IS_DEVEL=OFF
 ENV WITH_DEMO=OFF
diff --git a/paddle/scripts/docker/Dockerfile.cpu-demo b/paddle/scripts/docker/Dockerfile.cpu-demo
index 1fda1e472b290c970a29e927db001abd949d9e62..ccbd183ee3c1ac27fc624f22847f53eb7d60b83d 100644
--- a/paddle/scripts/docker/Dockerfile.cpu-demo
+++ b/paddle/scripts/docker/Dockerfile.cpu-demo
@@ -1,7 +1,7 @@
 FROM ubuntu:14.04
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=OFF
 ENV IS_DEVEL=ON
 ENV WITH_DEMO=ON
diff --git a/paddle/scripts/docker/Dockerfile.cpu-devel b/paddle/scripts/docker/Dockerfile.cpu-devel
index 66bdc978ddcb4bdd2c670cbbb4004bfaba54c8b3..36460384f383ba10c4bff1d9875cd053d6391b97 100644
--- a/paddle/scripts/docker/Dockerfile.cpu-devel
+++ b/paddle/scripts/docker/Dockerfile.cpu-devel
@@ -1,7 +1,7 @@
 FROM ubuntu:14.04
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=OFF
 ENV IS_DEVEL=ON
 ENV WITH_DEMO=OFF
diff --git a/paddle/scripts/docker/Dockerfile.cpu-noavx b/paddle/scripts/docker/Dockerfile.cpu-noavx
index d0ba30e55afb2c91875838cf8e59f51250ce6f3a..fa3b7427b0ad3973423894fa7af54ae5a2514e06 100644
--- a/paddle/scripts/docker/Dockerfile.cpu-noavx
+++ b/paddle/scripts/docker/Dockerfile.cpu-noavx
@@ -1,7 +1,7 @@
 FROM ubuntu:14.04
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=OFF
 ENV IS_DEVEL=OFF
 ENV WITH_DEMO=OFF
diff --git a/paddle/scripts/docker/Dockerfile.cpu-noavx-demo b/paddle/scripts/docker/Dockerfile.cpu-noavx-demo
index 28439b4bdfab437ae947c1fba637632c149fcd1d..61315f762dee4d64251ef3d8db5b11b30a3ddb3a 100644
--- a/paddle/scripts/docker/Dockerfile.cpu-noavx-demo
+++ b/paddle/scripts/docker/Dockerfile.cpu-noavx-demo
@@ -1,7 +1,7 @@
 FROM ubuntu:14.04
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=OFF
 ENV IS_DEVEL=ON
 ENV WITH_DEMO=ON
diff --git a/paddle/scripts/docker/Dockerfile.cpu-noavx-devel b/paddle/scripts/docker/Dockerfile.cpu-noavx-devel
index eb4739d6dc742407549cfdaa73544282c260db87..76365311990b527ea473be840770bfeb6025d74f 100644
--- a/paddle/scripts/docker/Dockerfile.cpu-noavx-devel
+++ b/paddle/scripts/docker/Dockerfile.cpu-noavx-devel
@@ -1,7 +1,7 @@
 FROM ubuntu:14.04
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=OFF
 ENV IS_DEVEL=ON
 ENV WITH_DEMO=OFF
diff --git a/paddle/scripts/docker/Dockerfile.gpu b/paddle/scripts/docker/Dockerfile.gpu
index fa61cfeec851f128f3f073afc64e0499b322e4dd..1e023ae2818dbb27c457ff17b01fc4ab02815eba 100644
--- a/paddle/scripts/docker/Dockerfile.gpu
+++ b/paddle/scripts/docker/Dockerfile.gpu
@@ -1,7 +1,7 @@
 FROM nvidia/cuda:7.5-cudnn5-devel-ubuntu14.04
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=ON
 ENV IS_DEVEL=OFF
 ENV WITH_DEMO=OFF
diff --git a/paddle/scripts/docker/Dockerfile.gpu-demo b/paddle/scripts/docker/Dockerfile.gpu-demo
index 4f5417c1af072b6c5366dc5fe0dbedae3f9c880e..92b0dca4026c89c6749e14f189370183462333b8 100644
--- a/paddle/scripts/docker/Dockerfile.gpu-demo
+++ b/paddle/scripts/docker/Dockerfile.gpu-demo
@@ -1,7 +1,7 @@
 FROM nvidia/cuda:7.5-cudnn5-devel-ubuntu14.04
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=ON
 ENV IS_DEVEL=ON
 ENV WITH_DEMO=ON
diff --git a/paddle/scripts/docker/Dockerfile.gpu-devel b/paddle/scripts/docker/Dockerfile.gpu-devel
index 37cfced1908861b9131c1dd80a610eadb9bcd882..fb6f351fd2f7e0f950e00ac96681de88ca238f70 100644
--- a/paddle/scripts/docker/Dockerfile.gpu-devel
+++ b/paddle/scripts/docker/Dockerfile.gpu-devel
@@ -1,7 +1,7 @@
 FROM nvidia/cuda:7.5-cudnn5-devel-ubuntu14.04
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=ON
 ENV IS_DEVEL=ON
 ENV WITH_DEMO=OFF
diff --git a/paddle/scripts/docker/Dockerfile.gpu-noavx b/paddle/scripts/docker/Dockerfile.gpu-noavx
index 95fb125b799e8f0403cdae0d2c191188a52285e6..7567e62025506ca2ae8c1d35d595d92ed6de87f3 100644
--- a/paddle/scripts/docker/Dockerfile.gpu-noavx
+++ b/paddle/scripts/docker/Dockerfile.gpu-noavx
@@ -1,7 +1,7 @@
 FROM nvidia/cuda:7.5-cudnn5-devel-ubuntu14.04
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=ON
 ENV IS_DEVEL=OFF
 ENV WITH_DEMO=OFF
diff --git a/paddle/scripts/docker/Dockerfile.gpu-noavx-demo b/paddle/scripts/docker/Dockerfile.gpu-noavx-demo
index b5fbe4b941d6814cde304a116da253dd48ed41c8..ac52484c5cb513537283e1a0ffbe9df067fefc9a 100644
--- a/paddle/scripts/docker/Dockerfile.gpu-noavx-demo
+++ b/paddle/scripts/docker/Dockerfile.gpu-noavx-demo
@@ -1,7 +1,7 @@
 FROM nvidia/cuda:7.5-cudnn5-devel-ubuntu14.04
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=ON
 ENV IS_DEVEL=ON
 ENV WITH_DEMO=ON
diff --git a/paddle/scripts/docker/Dockerfile.gpu-noavx-devel b/paddle/scripts/docker/Dockerfile.gpu-noavx-devel
index 531c8ec7ae30cd688b06fe1ba03bd215be81096c..19202f306b8f71e93af085d5285098a1fbe1dba7 100644
--- a/paddle/scripts/docker/Dockerfile.gpu-noavx-devel
+++ b/paddle/scripts/docker/Dockerfile.gpu-noavx-devel
@@ -1,7 +1,7 @@
 FROM nvidia/cuda:7.5-cudnn5-devel-ubuntu14.04
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=ON
 ENV IS_DEVEL=ON
 ENV WITH_DEMO=OFF
diff --git a/paddle/scripts/docker/Dockerfile.m4 b/paddle/scripts/docker/Dockerfile.m4
index 57c865584413381abc54dc759405360a5ae354f3..e14493ed9e842351125ab458db53fcc3f38233f6 100644
--- a/paddle/scripts/docker/Dockerfile.m4
+++ b/paddle/scripts/docker/Dockerfile.m4
@@ -1,7 +1,7 @@
 FROM PADDLE_BASE_IMAGE
 MAINTAINER PaddlePaddle Dev Team <paddle-dev@baidu.com>
 COPY build.sh /root/
-ENV GIT_CHECKOUT=develop
+ENV GIT_CHECKOUT=v0.9.0a0
 ENV WITH_GPU=PADDLE_WITH_GPU
 ENV IS_DEVEL=PADDLE_IS_DEVEL
 ENV WITH_DEMO=PADDLE_WITH_DEMO
diff --git a/paddle/scripts/submit_local.sh.in b/paddle/scripts/submit_local.sh.in
index 213cf2f1cc7e491dc6455f1af434446806aa4ccc..20ea2fedc4d464cdd5403af28bc917770c993b98 100644
--- a/paddle/scripts/submit_local.sh.in
+++ b/paddle/scripts/submit_local.sh.in
@@ -28,6 +28,34 @@ function version(){
         echo "    with_predict_sdk: @WITH_PREDICT_SDK@"
 }
 
+function ver2num() {
+  # convert version to number.
+  if [ -z "$1" ]; then # empty argument
+    printf "%03d%03d%03d%03d%03d" 0
+  else
+    local VERN=$(echo $1 | sed 's#v##g' | sed 's#\.# #g' \
+        | sed 's#a# 0 #g' | sed 's#b# 1 #g' | sed 's#rc# 2 #g')
+    if [ `echo $VERN | wc -w` -eq 3 ] ; then
+      printf "%03d%03d%03d%03d%03d" $VERN 999 999
+    else
+      printf "%03d%03d%03d%03d%03d" $VERN
+    fi
+  fi
+}
+
+PADDLE_CONF_HOME="$HOME/.config/paddle"
+mkdir -p ${PADDLE_CONF_HOME}
+
+if [ -z "${PADDLE_NO_STAT+x}" ]; then
+    SERVER_VER=`curl -m 5 -X POST --data content="{ \"version\": \"@PADDLE_VERSION@\" }"\
+        -b ${PADDLE_CONF_HOME}/paddle.cookie \
+        -c ${PADDLE_CONF_HOME}/paddle.cookie \
+        http://api.paddlepaddle.org/version 2>/dev/null`
+    if [ $? -eq 0 ] && [ "$(ver2num @PADDLE_VERSION@)" -lt  $(ver2num $SERVER_VER) ]; then
+      echo "Paddle release a new version ${SERVER_VER}, you can get the install package in http://www.paddlepaddle.org" 
+    fi
+fi
+
 
 MYDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"