diff --git a/cmake/flags.cmake b/cmake/flags.cmake
index 81e7868a6ad3fee16911a49ff9d1394a103706c5..dfbe8b6febd658e7ef8f03bb818382a55e0f86e7 100644
--- a/cmake/flags.cmake
+++ b/cmake/flags.cmake
@@ -116,7 +116,6 @@ if (NOT WIN32)
 set(COMMON_FLAGS
     -fPIC
     -fno-omit-frame-pointer
-    -Werror
     -Wall
     -Wextra
     -Wnon-virtual-dtor
diff --git a/cmake/generic.cmake b/cmake/generic.cmake
index 6679a09dfc9dd00cfe3b5c5da3e12bd1c1389432..f72cd61352dfb38a4f5a2a6a7e8effb9b4c11e9c 100644
--- a/cmake/generic.cmake
+++ b/cmake/generic.cmake
@@ -792,3 +792,60 @@ function(brpc_library TARGET_NAME)
   cc_library("${TARGET_NAME}_proto" SRCS "${brpc_proto_srcs}")
   cc_library("${TARGET_NAME}" SRCS "${brpc_library_SRCS}" DEPS "${TARGET_NAME}_proto" "${brpc_library_DEPS}")
 endfunction()
+
+function(PROTOBUF_GENERATE_SERVING_CPP SRCS HDRS)
+  if(NOT ARGN)
+    message(SEND_ERROR "Error: PROTOBUF_GENERATE_SERVING_CPP() called without any proto files")
+    return()
+  endif()
+
+  if(PROTOBUF_GENERATE_CPP_APPEND_PATH) # This variable is common for all types of output.
+    # Create an include path for each file specified
+    foreach(FIL ${ARGN})
+      get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
+      get_filename_component(ABS_PATH ${ABS_FIL} PATH)
+      list(FIND _protobuf_include_path ${ABS_PATH} _contains_already)
+      if(${_contains_already} EQUAL -1)
+          list(APPEND _protobuf_include_path -I ${ABS_PATH})
+      endif()
+    endforeach()
+  else()
+    set(_protobuf_include_path -I ${CMAKE_CURRENT_SOURCE_DIR})
+  endif()
+
+  if(DEFINED PROTOBUF_IMPORT_DIRS)
+    foreach(DIR ${Protobuf_IMPORT_DIRS})
+      get_filename_component(ABS_PATH ${DIR} ABSOLUTE)
+      list(FIND _protobuf_include_path ${ABS_PATH} _contains_already)
+      if(${_contains_already} EQUAL -1)
+          list(APPEND _protobuf_include_path -I ${ABS_PATH})
+      endif()
+    endforeach()
+  endif()
+
+  set(${SRCS})
+  set(${HDRS})
+  foreach(FIL ${ARGN})
+    get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
+    get_filename_component(FIL_WE ${FIL} NAME_WE)
+
+    list(APPEND ${SRCS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc")
+    list(APPEND ${HDRS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h")
+
+    add_custom_command(
+      OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc"
+             "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h"
+      COMMAND  ${Protobuf_PROTOC_EXECUTABLE}
+      ARGS --pdcodegen_out=${CMAKE_CURRENT_BINARY_DIR}
+           --plugin=protoc-gen-pdcodegen=${CMAKE_CURRENT_BINARY_DIR}/pdcodegen
+           --proto_path=.
+           ${_protobuf_include_path} ${ABS_FIL}
+      DEPENDS ${ABS_FIL} ${Protobuf_PROTOC_EXECUTABLE}
+      COMMENT "Running Paddle-serving C++ protocol buffer compiler on ${FIL}"
+      VERBATIM)
+  endforeach()
+
+  set_source_files_properties(${${SRCS}} ${${HDRS}} PROPERTIES GENERATED TRUE)
+  set(${SRCS} ${${SRCS}} PARENT_SCOPE)
+  set(${HDRS} ${${HDRS}} PARENT_SCOPE)
+endfunction()
diff --git a/predictor/CMakeLists.txt b/predictor/CMakeLists.txt
index 4896441e6a973c6453b521f4e5f366ef7c07c6ee..e017c0152f7a0aea80fd01f9edfa67cc864f8aa7 100644
--- a/predictor/CMakeLists.txt
+++ b/predictor/CMakeLists.txt
@@ -2,13 +2,41 @@ include(proto/CMakeLists.txt)
 include(common/CMakeLists.txt)
 include(op/CMakeLists.txt)
 include(framework/CMakeLists.txt)
-add_library(predictor ${predictor_srcs})
+include(plugin/CMakeLists.txt)
+include(src/CMakeLists.txt)
+
+add_executable(pdcodegen ${pdcodegen_srcs})
+target_link_libraries(pdcodegen protobuf ${PROTOBUF_PROTOC_LIBRARY})
+target_include_directories(pdcodegen PUBLIC
+        ${CMAKE_CURRENT_LIST_DIR}/
+        ${CMAKE_CURRENT_BINARY_DIR}/)
+
+add_library(pdserving ${pdserving_srcs})
+set_source_files_properties(
+        ${pdserving_srcs}
+        PROPERTIES
+        COMPILE_FLAGS  "-Wno-strict-aliasing -Wno-unused-variable -Wno-non-virtual-dtor -Wno-error=non-virtual-dtor -Wno-error=delete-non-virtual-dtor")
+add_dependencies(pdserving protobuf boost brpc pdcodegen)
+
+target_include_directories(pdserving PUBLIC
+        ${CMAKE_CURRENT_LIST_DIR}/
+        ${CMAKE_CURRENT_BINARY_DIR}/
+        ${CMAKE_CURRENT_LIST_DIR}/../configure
+        ${CMAKE_CURRENT_LIST_DIR}/../mempool
+        ${CMAKE_CURRENT_LIST_DIR}/../spreg
+        ${CMAKE_CURRENT_LIST_DIR}/../ullib/include
+        ${CMAKE_CURRENT_BINARY_DIR}/../bsl/include)
+target_link_libraries(pdserving -lpthread -lcrypto -lm -lrt -lssl -ldl -lz)
+
+
+add_library(pdclient ${pdclient_srcs})
 set_source_files_properties(
-        ${predictor_srcs}
+        ${pdclient_srcs}
         PROPERTIES
         COMPILE_FLAGS  "-Wno-strict-aliasing -Wno-unused-variable -Wno-non-virtual-dtor -Wno-error=non-virtual-dtor -Wno-error=delete-non-virtual-dtor")
-add_dependencies(predictor protobuf boost brpc)
-target_include_directories(predictor PUBLIC
+add_dependencies(pdclient protobuf boost brpc pdcodegen)
+
+target_include_directories(pdclient PUBLIC
         ${CMAKE_CURRENT_LIST_DIR}/
         ${CMAKE_CURRENT_BINARY_DIR}/
         ${CMAKE_CURRENT_LIST_DIR}/../configure
@@ -16,3 +44,5 @@ target_include_directories(predictor PUBLIC
         ${CMAKE_CURRENT_LIST_DIR}/../spreg
         ${CMAKE_CURRENT_LIST_DIR}/../ullib/include
         ${CMAKE_CURRENT_BINARY_DIR}/../bsl/include)
+target_link_libraries(pdclient -lpthread -lcrypto -lm -lrt -lssl -ldl -lz)
+
diff --git a/predictor/common/CMakeLists.txt b/predictor/common/CMakeLists.txt
index 7530df97284d15cfff65d3c5da369f676e67221a..22728514162ff36971225b0f0348fb90e8491d53 100644
--- a/predictor/common/CMakeLists.txt
+++ b/predictor/common/CMakeLists.txt
@@ -1,2 +1,3 @@
 FILE(GLOB common_srcs ${CMAKE_CURRENT_LIST_DIR}/*.cpp)
-LIST(APPEND predictor_srcs ${common_srcs})
+LIST(APPEND pdserving_srcs ${common_srcs})
+LIST(APPEND pdclient_srcs ${common_srcs})
diff --git a/predictor/framework/CMakeLists.txt b/predictor/framework/CMakeLists.txt
index 29b29be493ae4c4e6c6efdea9095a5fa5a34a9d6..641ba7efbad9c97497cd2ef9372fa08391f6769c 100644
--- a/predictor/framework/CMakeLists.txt
+++ b/predictor/framework/CMakeLists.txt
@@ -1,2 +1,3 @@
 FILE(GLOB framework_srcs ${CMAKE_CURRENT_LIST_DIR}/*.cpp)
-LIST(APPEND predictor_srcs ${framework_srcs})
+LIST(APPEND pdserving_srcs ${framework_srcs})
+LIST(APPEND pclient_srcs ${framework_srcs})
diff --git a/predictor/framework/logger.h b/predictor/framework/logger.h
deleted file mode 100644
index d2c3a3bf32bf1536b6a90d7be9ba44d59662249d..0000000000000000000000000000000000000000
--- a/predictor/framework/logger.h
+++ /dev/null
@@ -1,35 +0,0 @@
-#ifndef BAIDU_PADDLE_SERVING_PREDICTOR_LOGGER_H
-#define BAIDU_PADDLE_SERVING_PREDICTOR_LOGGER_H
-
-#include <butil/comlog_sink.h>
-
-namespace baidu {
-namespace paddle_serving {
-namespace predictor {
-
-class LoggerWrapper {
-public:
-    static LoggerWrapper& instance() {
-        static LoggerWrapper lw;
-        return lw;
-    }
-
-    int initialize(const std::string& path, const std::string& name) {
-        if (com_loadlog(path.c_str(), name.c_str()) != 0) {
-            LOG(ERROR) << "Fail to com_loadlog from: "
-                << path << "/" << name;
-            return -1;
-        }
-        return 0;
-    }
-
-    int finalize() {
-        return 0;
-    }
-};
-
-}
-}
-}
-
-#endif
diff --git a/predictor/op/CMakeLists.txt b/predictor/op/CMakeLists.txt
index 191fe75dd5d991c7dee6773e61102b1ca3631f70..28a5b060ae58db63dfdd2d10269553def30244bd 100644
--- a/predictor/op/CMakeLists.txt
+++ b/predictor/op/CMakeLists.txt
@@ -1,2 +1,3 @@
 FILE(GLOB op_srcs ${CMAKE_CURRENT_LIST_DIR}/*.cpp)
-LIST(APPEND predictor_srcs ${op_srcs})
+LIST(APPEND pdserving_srcs ${op_srcs})
+LIST(APPEND pdclient_srcs ${op_srcs})
diff --git a/predictor/plugin/CMakeLists.txt b/predictor/plugin/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..89ee09fbe2d2315ffd9ce6e1fcd0bd3ffb170944
--- /dev/null
+++ b/predictor/plugin/CMakeLists.txt
@@ -0,0 +1,2 @@
+FILE(GLOB plugin_srcs ${CMAKE_CURRENT_LIST_DIR}/*.cc)
+LIST(APPEND pdcodegen_srcs ${plugin_srcs})
diff --git a/predictor/proto/CMakeLists.txt b/predictor/proto/CMakeLists.txt
index 0ad5320a4428d3ade5bdc492bf127018e5432775..b24ff17ebc02c407a2131f32e91db241ef88e4cf 100644
--- a/predictor/proto/CMakeLists.txt
+++ b/predictor/proto/CMakeLists.txt
@@ -1,3 +1,20 @@
-FILE(GLOB protofiles "${CMAKE_CURRENT_LIST_DIR}/*.proto")
-protobuf_generate_cpp(PROTO_SRCS PROTO_HDRS ${protofiles})
-LIST(APPEND predictor_srcs ${PROTO_SRCS})
+PROTOBUF_GENERATE_CPP(pdcodegen_proto_srcs pdcodegen_proto_hdrs
+        ${CMAKE_CURRENT_LIST_DIR}/pds_option.proto)
+
+LIST(APPEND pdcodegen_srcs ${pdcodegen_proto_srcs})
+
+LIST(APPEND protofiles
+        ${CMAKE_CURRENT_LIST_DIR}/./builtin_format.proto
+        ${CMAKE_CURRENT_LIST_DIR}/./dense_service.proto
+        ${CMAKE_CURRENT_LIST_DIR}/./echo_service.proto
+        ${CMAKE_CURRENT_LIST_DIR}/./image_classification.proto
+        ${CMAKE_CURRENT_LIST_DIR}/./int64tensor_service.proto
+        ${CMAKE_CURRENT_LIST_DIR}/./msg_data.proto
+        ${CMAKE_CURRENT_LIST_DIR}/./sparse_service.proto
+        ${CMAKE_CURRENT_LIST_DIR}/./xrecord_format.proto
+)
+
+# PROTOBUF_GENERATE_SERVING_CPP(PROTO_SRCS PROTO_HDRS ${protofiles})
+PROTOBUF_GENERATE_CPP(PROTO_SRCS PROTO_HDRS ${protofiles})
+LIST(APPEND pdserving_srcs ${PROTO_SRCS} ${pdcodegen_proto_srcs})
+LIST(APPEND pdclient_srcs ${PROTO_SRCS} ${pdcodegen_proto_srcs})
diff --git a/predictor/src/CMakeLists.txt b/predictor/src/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..428b6979eef73a397c9b34365c007b8f52b4a96c
--- /dev/null
+++ b/predictor/src/CMakeLists.txt
@@ -0,0 +1,3 @@
+LIST(APPEND pdcodegen_srcs ${CMAKE_CURRENT_LIST_DIR}/pdcodegen.cpp)
+LIST(APPEND pdserving_srcs ${CMAKE_CURRENT_LIST_DIR}/pdserving.cpp)
+LIST(APPEND pdclient_srcs ${CMAKE_CURRENT_LIST_DIR}/pdclient.cpp)
diff --git a/predictor/src/pdclient.cpp b/predictor/src/pdclient.cpp
index 1731c201b8e6060ce1934cef842d09aaf1bdb76a..128252dd379997541badf53342e6cd82f77ee5f4 100644
--- a/predictor/src/pdclient.cpp
+++ b/predictor/src/pdclient.cpp
@@ -24,11 +24,9 @@
 #include "common/utils.h"
 #include "common/inner_common.h"
 #include "common/constant.h"
-#include "framework/logger.h"
+#include "butil/logging.h"
 
 DEFINE_string(attachment, "foo", "Carry this along with requests");
-DEFINE_bool(auth, false, "Enable Giano authentication");
-DEFINE_string(auth_group, "g_guest", "Giano Group");
 DEFINE_string(protocol, "baidu_std", "Protocol type. Defined in protocol/baidu/rpc/options.proto");
 DEFINE_bool(compress, true, "Enable compression");
 //DEFINE_string(protocol, "http", "Protocol type. Defined in protocol/baidu/rpc/options.proto");
@@ -42,7 +40,6 @@ DEFINE_string(http_content_type, "application/json", "Content type of http reque
 
 using baidu::paddle_serving::predictor::FLAGS_logger_path;
 using baidu::paddle_serving::predictor::FLAGS_logger_file;
-using baidu::paddle_serving::predictor::LoggerWrapper;
 
 namespace dense_format {
 
@@ -372,25 +369,8 @@ int main(int argc, char* argv[]) {
     google::ParseCommandLineFlags(&argc, &argv, true);
 
     // initialize logger instance
-    if (LoggerWrapper::instance().initialize(
-                FLAGS_logger_path, FLAGS_logger_file) != 0) {
-        LOG(ERROR) << "Failed initialize logger, conf:" 
-            << FLAGS_logger_path << "/" << FLAGS_logger_file;
-        return -1;
-    }
+    google::InitGoogleLogging(strdup(argv[0]));
     
-    // Login to get `CredentialGenerator' (see baas-lib-c/baas.h for more
-    // information) and then pass it to `GianoAuthenticator'. 
-    std::unique_ptr<brpc::policy::GianoAuthenticator> auth;
-    if (FLAGS_auth) {
-        if (baas::BAAS_Init() != 0) {
-            LOG(ERROR) << "Fail to init BAAS";
-            return -1;
-        }
-        baas::CredentialGenerator gen = baas::ClientUtility::Login(FLAGS_auth_group);
-        auth.reset(new brpc::policy::GianoAuthenticator(&gen, NULL));
-    }
-
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.
     brpc::Channel channel;
@@ -399,7 +379,6 @@ int main(int argc, char* argv[]) {
     brpc::ChannelOptions options;
     options.protocol = FLAGS_protocol;
     options.connection_type = FLAGS_connection_type;
-    options.auth = auth.get();
     options.timeout_ms = FLAGS_timeout_ms/*milliseconds*/;
     options.max_retry = FLAGS_max_retry;
     if (channel.Init(FLAGS_server.c_str(), FLAGS_load_balancer.c_str(), &options) != 0) {
@@ -441,6 +420,8 @@ int main(int argc, char* argv[]) {
     }
 
     LOG(INFO) << "Pdserving Client is going to quit";
+
+    google::ShutdownGoogleLogging();
     return 0;
 }
 
diff --git a/predictor/src/pdserving.cpp b/predictor/src/pdserving.cpp
index 5f2088d949e238ec14f19e4ea66cb486fb0010e8..cc257048ad08a3a3f57b84967ec36726ef1e9ff0 100644
--- a/predictor/src/pdserving.cpp
+++ b/predictor/src/pdserving.cpp
@@ -1,18 +1,17 @@
 #include <iostream>
 #include <fstream>
-#include <bthread_unstable.h> // bthread_set_worker_startfn
+#include <bthread/unstable.h> // bthread_set_worker_startfn
 #include "common/inner_common.h"
 #include "framework/workflow.h"
 #include "framework/service.h"
 #include "framework/manager.h"
 #include "framework/server.h"
-#include "framework/logger.h"
+#include "butil/logging.h"
 #include "framework/resource.h"
 #include "common/constant.h"
 
 using baidu::paddle_serving::predictor::ServerManager;
 using baidu::paddle_serving::predictor::WorkflowManager;
-using baidu::paddle_serving::predictor::LoggerWrapper;
 using baidu::paddle_serving::predictor::InferServiceManager;
 using baidu::paddle_serving::predictor::Resource;
 using baidu::paddle_serving::predictor::FLAGS_workflow_path;
@@ -40,7 +39,7 @@ void print_revision(std::ostream& os, void*) {
 static bvar::PassiveStatus<std::string> s_predictor_revision(
         "predictor_revision", print_revision, NULL);
 
-DEFINE_bool(v, false, "print version, bool");
+DEFINE_bool(V, false, "print version, bool");
 DEFINE_bool(g, false, "user defined gflag path");
 DECLARE_string(flagfile);
 
@@ -72,7 +71,7 @@ int main(int argc, char** argv) {
 #endif
     google::ParseCommandLineFlags(&argc, &argv, true);
 
-    if (FLAGS_v) {
+    if (FLAGS_V) {
         print_revision(std::cout, NULL);
         std::cout << std::flush;
         return 0;
@@ -87,12 +86,7 @@ int main(int argc, char** argv) {
     g_change_server_port();
 
     // initialize logger instance
-    if (LoggerWrapper::instance().initialize(
-                FLAGS_logger_path, FLAGS_logger_file) != 0) {
-        LOG(ERROR) << "Failed initialize logger, conf:" 
-            << FLAGS_logger_path << "/" << FLAGS_logger_file;
-        return -1;
-    }
+    google::InitGoogleLogging(strdup(argv[0]));
 
     LOG(INFO) << "Succ initialize logger";
 
@@ -149,10 +143,7 @@ int main(int argc, char** argv) {
         LOG(ERROR) << "Failed finalize resource manager";
     }
 
-    if (LoggerWrapper::instance().finalize() != 0) {
-        LOG(ERROR) << "Failed finalize logger wrapper";
-    }
-
+    google::ShutdownGoogleLogging();
     LOG(INFO) << "Paddle Inference Server exit successfully!";
     return 0;
 }