diff --git a/cmake/paddlepaddle.cmake b/cmake/paddlepaddle.cmake
index 78d700718ae6d737ccc422288e88d0b094fab4c3..c9ac3d2f04db833f34211af3cc7aaac2d5184bf9 100644
--- a/cmake/paddlepaddle.cmake
+++ b/cmake/paddlepaddle.cmake
@@ -31,7 +31,7 @@ message( "WITH_GPU = ${WITH_GPU}")
 # Paddle Version should be one of:
 # latest: latest develop build
 # version number like 1.5.2
-SET(PADDLE_VERSION "1.6.3")
+SET(PADDLE_VERSION "1.7.1")
 
 if (WITH_GPU)
     SET(PADDLE_LIB_VERSION "${PADDLE_VERSION}-gpu-cuda${CUDA_VERSION_MAJOR}-cudnn7-avx-mkl")
diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index d6149590744c9ede91175eaf4e307474f74c10b2..855b006949e8b621260e7ed86c4a8c86e2332104 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -31,15 +31,14 @@ if (NOT CLIENT_ONLY)
     endif()
 endif()
 
-set(SERVING_CLIENT_CORE ${PADDLE_SERVING_BINARY_DIR}/core/general-client/serving_client.so)
-
+set (SERVING_CLIENT_CORE ${PADDLE_SERVING_BINARY_DIR}/core/general-client/*.so)
 message("python env: " ${py_env})
 
 if (CLIENT_ONLY)
 add_custom_command(
 	OUTPUT ${PADDLE_SERVING_BINARY_DIR}/.timestamp
 	COMMAND cp -r ${CMAKE_CURRENT_SOURCE_DIR}/paddle_serving_client/ ${PADDLE_SERVING_BINARY_DIR}/python/
-	COMMAND ${CMAKE_COMMAND} -E copy ${PADDLE_SERVING_BINARY_DIR}/core/general-client/serving_client.so ${PADDLE_SERVING_BINARY_DIR}/python/paddle_serving_client/
+	COMMAND ${CMAKE_COMMAND} -E copy ${SERVING_CLIENT_CORE} ${PADDLE_SERVING_BINARY_DIR}/python/paddle_serving_client/serving_client.so
 	COMMAND env ${py_env} ${PYTHON_EXECUTABLE} setup.py bdist_wheel
 	DEPENDS ${SERVING_CLIENT_CORE} sdk_configure_py_proto ${PY_FILES})
 add_custom_target(paddle_python ALL DEPENDS serving_client ${PADDLE_SERVING_BINARY_DIR}/.timestamp)
diff --git a/python/paddle_serving_server/__init__.py b/python/paddle_serving_server/__init__.py
index ed4c6b76110e6fb6a4bce41d04d3b84d3857d5ba..87c6b4960e439dd529cc0354c667c244369c133a 100644
--- a/python/paddle_serving_server/__init__.py
+++ b/python/paddle_serving_server/__init__.py
@@ -19,7 +19,7 @@ import google.protobuf.text_format
 import tarfile
 import socket
 import paddle_serving_server as paddle_serving_server
-from version import serving_server_version
+from .version import serving_server_version
 from contextlib import closing
 
 
diff --git a/python/paddle_serving_server_gpu/__init__.py b/python/paddle_serving_server_gpu/__init__.py
index d8bcd7bbf6aa827ff80fa455726b6f3f356eb810..8ee1e137fb8fe282d26bda95e4b4bffa6f670f11 100644
--- a/python/paddle_serving_server_gpu/__init__.py
+++ b/python/paddle_serving_server_gpu/__init__.py
@@ -20,7 +20,7 @@ import google.protobuf.text_format
 import tarfile
 import socket
 import paddle_serving_server_gpu as paddle_serving_server
-from version import serving_server_version
+from .version import serving_server_version
 from contextlib import closing
 import argparse