diff --git a/paddle/scripts/paddle_build.sh b/paddle/scripts/paddle_build.sh
index b55fce5befdda7e579c5b98df82d2ba5096206bf..fba7c8a71dcaa8546f5a1903f2b4111290b05963 100755
--- a/paddle/scripts/paddle_build.sh
+++ b/paddle/scripts/paddle_build.sh
@@ -797,7 +797,7 @@ function generate_api_spec() {
 
     mkdir -p ${PADDLE_ROOT}/build/.check_api_workspace
     cd ${PADDLE_ROOT}/build/.check_api_workspace
-    virtualenv .${spec_kind}_env
+    virtualenv -p `which python` .${spec_kind}_env
     source .${spec_kind}_env/bin/activate
 
     if [ "$spec_kind" == "DEV" ]; then
@@ -2449,16 +2449,18 @@ function trt_convert_test() {
 
 function build_pr_and_develop() {
     cmake_gen_and_build ${PYTHON_ABI:-""} ${parallel_number}
+    cmake_change=`git diff --name-only upstream/$BRANCH | grep "cmake/external" || true`
+    cp ${PADDLE_ROOT}/python/requirements.txt /tmp
+    generate_api_spec "$1" "PR"
     mkdir ${PADDLE_ROOT}/build/pr_whl && cp ${PADDLE_ROOT}/build/python/dist/*.whl ${PADDLE_ROOT}/build/pr_whl
     rm -f ${PADDLE_ROOT}/build/python/dist/*.whl && rm -f ${PADDLE_ROOT}/build/python/build/.timestamp
-    cmake_change=`git diff --name-only upstream/$BRANCH | grep "cmake/external" || true`
     if [[ ${cmake_change} ]];then
         rm -rf ${PADDLE_ROOT}/build/Makefile ${PADDLE_ROOT}/build/CMakeCache.txt
         rm -rf ${PADDLE_ROOT}/build/third_party
     fi
-    git checkout .
     git checkout -b develop_base_pr upstream/$BRANCH
     cmake_gen_and_build ${PYTHON_ABI:-""} ${parallel_number}
+    generate_api_spec "$1" "DEV"
     mkdir ${PADDLE_ROOT}/build/dev_whl && cp ${PADDLE_ROOT}/build/python/dist/*.whl ${PADDLE_ROOT}/build/dev_whl
 }