diff --git a/BCLOUD b/BCLOUD
index 789e2a1c772f21d174fc632309c11a1f3271fcb6..4ea89956b2306a782027cbe567eb4328a72d3c24 100644
--- a/BCLOUD
+++ b/BCLOUD
@@ -22,11 +22,11 @@ CONFIGS('baidu/paddlepaddle/paddle@v1.3.0_pb32@git_branch')
 NEED_OUTPUT('baidu/third-party/mklml')
 
 #sub directory
+Directory('kvdb')
 Directory('pdcodegen')
 Directory('configure')
 Directory('predictor')
 Directory('inferencer-fluid-cpu')
 Directory('demo-serving')
 Directory('sdk-cpp')
-Directory('kvdb')
 Directory('demo-client')
diff --git a/demo-serving/BCLOUD b/demo-serving/BCLOUD
index 1c7734cc4ff48f24150eefe70493debdeab42228..9f5b278226ca2073e59250a21fa1a91c599d7745 100644
--- a/demo-serving/BCLOUD
+++ b/demo-serving/BCLOUD
@@ -19,6 +19,7 @@ INCPATHS('$INC')
 INCPATHS('$INC/predictor')
 INCPATHS('../')
 INCPATHS('../predictor/')
+INCPATHS('../kvdb/include/')
 INCPATHS('$OUT_ROOT/third-64/protobuf/output/include')
 INCPATHS('$OUT_ROOT/baidu/third-party/gflags/output/include')
 INCPATHS('$OUT_ROOT/baidu/third-party/glog/output/include')
@@ -29,6 +30,7 @@ LIBS('$OUT/lib/libpdconfigure.a')
 LIBS('$OUT_ROOT/baidu/third-party/mklml/output/so/libmklml_intel.so')
 LIBS('$OUT_ROOT/baidu/third-party/mklml/output/so/libmklml_gnu.so')
 LIBS('$OUT_ROOT/baidu/third-party/mklml/output/so/libiomp5.so')
+LIBS('$OUT/lib/libkvdb.a')
 
 cpp_source_dirs = []
 cpp_source_dirs.append('op/*.cpp')
diff --git a/kvdb/BCLOUD b/kvdb/BCLOUD
index 93e3abf4d40f771dfe0e2c02eaad20e6adc3d485..9229e4596cd5afac19d80200b089de7ba0382315 100644
--- a/kvdb/BCLOUD
+++ b/kvdb/BCLOUD
@@ -15,15 +15,19 @@ LIBS('$OUT_ROOT/baidu//third-party/rocksdb/output/lib/librocksdb.a')
 cpp_base_source_files = [
 'mock_param_dict_impl.cpp', 'paddle_rocksdb.cpp', 'param_dict_mgr_impl.cpp', 'rockskvdb_impl.cpp'
 ]
+cpp_db_func_files = list(cpp_base_source_files)
+cpp_db_thread_files = list(cpp_base_source_files)
+cpp_kvdb_test_files = list(cpp_base_source_files)
 
-cpp_db_func_files = cpp_base_source_files.append('gtest_db_func.cpp')
-cpp_db_thread_files = cpp_base_source_files.append('gtest_db_thread.cpp')
-cpp_kvdb_test_files = cpp_base_source_files.append('gtest_kvdb.cpp')
+cpp_db_func_files.append('gtest_db_func.cpp')
+cpp_db_thread_files.append('gtest_db_thread.cpp')
+cpp_kvdb_test_files.append('gtest_kvdb.cpp')
 
 # Application
 
 HEADERS('./include/kvdb/*.h', '$INC/kvdb/')
 
+StaticLibrary('kvdb', Sources(GLOB(' '.join(cpp_base_source_files))));
 Application('kvdb_test', Sources(GLOB(' '.join(cpp_kvdb_test_files))))
 Application('db_func', Sources(GLOB(' '.join(cpp_db_func_files))))
 Application('db_thread', Sources(GLOB(' '.join(cpp_db_thread_files))))