diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000000000000000000000000000000000..107036c70292cf33e945f45a8bac935dea554ece
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,12 @@
+[submodule "third-party/gflags"]
+	path = third-party/gflags
+	url = https://github.com/gflags/gflags.git
+[submodule "third-party/googletest"]
+	path = third-party/googletest
+	url = https://github.com/google/googletest.git
+[submodule "third-party/protobuf-mobile"]
+	path = third-party/protobuf-mobile
+	url = https://github.com/tensor-tang/protobuf.git
+[submodule "third-party/protobuf-host"]
+	path = third-party/protobuf-host
+	url = https://github.com/protocolbuffers/protobuf.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a3336caa8463ceca536a81f53665a6809426514c..d51a4675c34e35b0d0bf89ffc2389f75a694123f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -95,7 +95,7 @@ endif()
 
 # check options
 if (LITE_ON_TINY_PUBLISH)
-    if (NOT (WITH_LITE AND LITE_WITH_LIGHT_WEIGHT_FRAMEWORK AND NOT WITH_TESTING))#LITE_WITH_JAVA AND 
+    if (NOT (WITH_LITE AND LITE_WITH_LIGHT_WEIGHT_FRAMEWORK AND NOT WITH_TESTING))#LITE_WITH_JAVA AND
         message(FATAL_ERROR "LITE_ON_TINY_PUBLISH=ON must be used with WITH_LITE=ON LITE_WITH_LIGHT_WEIGHT_FRAMEWORK=ON LITE_WITH_JAVA=ON WITH_TESTING=OFF")
         return()
     endif()
@@ -109,16 +109,15 @@ if (WITH_LITE AND LITE_WITH_LIGHT_WEIGHT_FRAMEWORK)
     include(cross_compiling/postproject)
     include(cross_compiling/npu) # check and prepare NPU DDK
 
-    # include the necessary thirdparty dependencies
-    include(external/gflags)    # download, build, install gflags
-
-    # LITE_WITH_LIGHT_WEIGHT_FRAMEWORK=ON will disable glog
-    # TODO(sangoly): refine WITH_LITE and LITE_WITH_LIGHT_WEIGHT_FRAMEWORK
-    #include(external/glog)     # download, build, install glog
-    include(external/gtest)     # download, build, install gtest
-    include(ccache)             # set ccache for compilation
-
+    # We compile the mobile deployment library when LITE_ON_TINY_PUBLISH=ON
+    # So the following third party dependencies are not needed.
     if (NOT LITE_ON_TINY_PUBLISH)
+        # include the necessary thirdparty dependencies
+        include(external/gflags)    # download, build, install gflags
+        # LITE_WITH_LIGHT_WEIGHT_FRAMEWORK=ON will disable glog
+        # TODO(sangoly): refine WITH_LITE and LITE_WITH_LIGHT_WEIGHT_FRAMEWORK
+        include(external/gtest)     # download, build, install gtest
+        include(ccache)             # set ccache for compilation
         include(external/protobuf)  # download, build, install protobuf
     endif()
 
@@ -134,6 +133,7 @@ if (WITH_LITE AND LITE_WITH_LIGHT_WEIGHT_FRAMEWORK)
     add_subdirectory(lite)
     return()
 endif()
+#################################  End of mobile compile ##############################
 
 set(WITH_MKLML ${WITH_MKL})
 if (NOT DEFINED WITH_MKLDNN)
diff --git a/README_cn.md b/README_cn.md
index 42b91840ce37993e7a1de08208839daa6993a65a..eb1ab42b323eb20510c82cad80c40da03231de88 100644
--- a/README_cn.md
+++ b/README_cn.md
@@ -51,7 +51,6 @@ Paddle Lite 借鉴了以下开源项目：
 - [ARM compute library]((https://github.com/ARM-software/ComputeLibrary))
 - [Anakin](https://github.com/PaddlePaddle/Anakin) ，Anakin对应底层的一些优化实现已被集成到Paddle Lite。Anakin作为PaddlePaddle组织下的一个高性能预测项目，极具前瞻性，对Paddle Lite有重要贡献。Anakin已和本项目实现整合。之后，Anakin不再升级。
 
-
 ##  交流与反馈
 * 欢迎您通过Github Issues来提交问题、报告与建议
 * QQ群: 696965088 
diff --git a/cmake/external/eigen.cmake b/cmake/external/eigen.cmake
index 72441160f89d2c188d35fc6b08b5f0b6d746a1ad..bd0d117a633824d93c403b8167ff49505160069b 100644
--- a/cmake/external/eigen.cmake
+++ b/cmake/external/eigen.cmake
@@ -5,8 +5,8 @@ SET(EIGEN_INCLUDE_DIR ${EIGEN_SOURCE_DIR}/src/extern_eigen3)
 INCLUDE_DIRECTORIES(${EIGEN_INCLUDE_DIR})
 if(NOT WITH_FAST_MATH)
   # EIGEN_FAST_MATH: https://eigen.tuxfamily.org/dox/TopicPreprocessorDirectives.html
-  # enables some optimizations which might affect the accuracy of the result. 
-  # This currently enables the SSE vectorization of sin() and cos(), 
+  # enables some optimizations which might affect the accuracy of the result.
+  # This currently enables the SSE vectorization of sin() and cos(),
   # and speedups sqrt() for single precision.
   # Defined to 1 by default. Define it to 0 to disable.
   add_definitions(-DEIGEN_FAST_MATH=0)
diff --git a/cmake/external/gflags.cmake b/cmake/external/gflags.cmake
index 5dc5a60f509f9fc5341b1add97c3db9a4156b2f7..44ede9617159fde51939f0ad71fc98e95325865f 100644
--- a/cmake/external/gflags.cmake
+++ b/cmake/external/gflags.cmake
@@ -14,7 +14,7 @@
 
 INCLUDE(ExternalProject)
 
-SET(GFLAGS_SOURCES_DIR ${THIRD_PARTY_PATH}/gflags)
+SET(GFLAGS_SOURCES_DIR ${CMAKE_SOURCE_DIR}/third-party/gflags)
 SET(GFLAGS_INSTALL_DIR ${THIRD_PARTY_PATH}/install/gflags)
 SET(GFLAGS_INCLUDE_DIR "${GFLAGS_INSTALL_DIR}/include" CACHE PATH "gflags include directory." FORCE)
 IF(WIN32)
@@ -37,9 +37,10 @@ SET(OPTIONAL_ARGS "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
 ExternalProject_Add(
     extern_gflags
     ${EXTERNAL_PROJECT_LOG_ARGS}
-    GIT_REPOSITORY  "https://github.com/gflags/gflags.git"
+    GIT_REPOSITORY  ""
     GIT_TAG         77592648e3f3be87d6c7123eb81cbad75f9aef5a
-    PREFIX          ${GFLAGS_SOURCES_DIR}
+    SOURCE_DIR      ${GFLAGS_SOURCES_DIR}
+    PREFIX          ${GFLAGS_INCLUDE_DIR}
     UPDATE_COMMAND  ""
     CMAKE_ARGS      -DBUILD_STATIC_LIBS=ON
                     -DCMAKE_INSTALL_PREFIX=${GFLAGS_INSTALL_DIR}
diff --git a/cmake/external/gtest.cmake b/cmake/external/gtest.cmake
index b50f2729ce3ae7eaaa2c2ce175799b2ad4648169..0df39138dd33de701fce80945d457b55a372ae17 100644
--- a/cmake/external/gtest.cmake
+++ b/cmake/external/gtest.cmake
@@ -12,15 +12,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-#FIXME:(gongwb) Move brpc's gtest dependency.
-IF(WITH_TESTING OR (WITH_DISTRIBUTE AND NOT WITH_GRPC))
+# the gtest is only used when WITH_TESTING=ON
+IF(WITH_TESTING)
     IF(WITH_TESTING)
         ENABLE_TESTING()
     ENDIF(WITH_TESTING)
 
     INCLUDE(ExternalProject)
 
-    SET(GTEST_SOURCES_DIR ${THIRD_PARTY_PATH}/gtest)
+    SET(GTEST_SOURCES_DIR ${CMAKE_SOURCE_DIR}/third-party/googletest)
     SET(GTEST_INSTALL_DIR ${THIRD_PARTY_PATH}/install/gtest)
     SET(GTEST_INCLUDE_DIR "${GTEST_INSTALL_DIR}/include" CACHE PATH "gtest include directory." FORCE)
 
@@ -56,9 +56,10 @@ IF(WITH_TESTING OR (WITH_DISTRIBUTE AND NOT WITH_GRPC))
         extern_gtest
         ${EXTERNAL_PROJECT_LOG_ARGS}
         DEPENDS         ${GTEST_DEPENDS}
-        GIT_REPOSITORY  "https://github.com/google/googletest.git"
+        GIT_REPOSITORY  ""
+        SOURCE_DIR      ${GTEST_SOURCES_DIR}
         GIT_TAG         "release-1.8.0"
-        PREFIX          ${GTEST_SOURCES_DIR}
+        PREFIX          ${GTEST_INSTALL_DIR}
         UPDATE_COMMAND  ""
         CMAKE_ARGS      ${CROSS_COMPILE_CMAKE_ARGS}
                         ${OPTIONAL_ARGS}
@@ -82,4 +83,4 @@ IF(WITH_TESTING OR (WITH_DISTRIBUTE AND NOT WITH_GRPC))
     SET_PROPERTY(TARGET gtest_main PROPERTY IMPORTED_LOCATION ${GTEST_MAIN_LIBRARIES})
     ADD_DEPENDENCIES(gtest_main extern_gtest)
 
-ENDIF(WITH_TESTING OR (WITH_DISTRIBUTE AND NOT WITH_GRPC))
+ENDIF()
diff --git a/cmake/external/protobuf.cmake b/cmake/external/protobuf.cmake
index a302987794598d1a8dd0da8f4513b06b4751206c..84be88226f4144c30840fe5a37d35d54b357630c 100644
--- a/cmake/external/protobuf.cmake
+++ b/cmake/external/protobuf.cmake
@@ -177,10 +177,12 @@ FUNCTION(build_protobuf TARGET_NAME BUILD_FOR_HOST)
         "${PROTOBUF_INSTALL_DIR}/bin/protoc${CMAKE_EXECUTABLE_SUFFIX}"
          PARENT_SCOPE)
 
-    SET(PROTOBUF_REPO "https://github.com/protocolbuffers/protobuf.git")
+    # https://github.com/protocolbuffers/protobuf.git
+    SET(PROTOBUF_REPO "")
     SET(PROTOBUF_TAG "9f75c5aa851cd877fb0d93ccc31b8567a6706546")
     SET(OPTIONAL_CACHE_ARGS "")
     SET(OPTIONAL_ARGS "")
+    SET(SOURCE_DIR "${CMAKE_SOURCE_DIR}/third-party/protobuf-host")
 
     IF(BUILD_FOR_HOST)
         SET(OPTIONAL_ARGS
@@ -191,8 +193,10 @@ FUNCTION(build_protobuf TARGET_NAME BUILD_FOR_HOST)
         SET(OPTIONAL_CACHE_ARGS "-DZLIB_ROOT:STRING=${ZLIB_ROOT}")
     ELSE()
         # protobuf have compile issue when use android stl c++_static
-        SET(PROTOBUF_REPO "https://github.com/tensor-tang/protobuf.git")
+        # https://github.com/tensor-tang/protobuf.git
+        SET(PROTOBUF_REPO "")
         SET(PROTOBUF_TAG "mobile")
+        SET(SOURCE_DIR "${CMAKE_SOURCE_DIR}/third-party/protobuf-mobile")
         SET(OPTIONAL_ARGS "-Dprotobuf_WITH_ZLIB=OFF"
                 ${CROSS_COMPILE_CMAKE_ARGS}
                 "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
@@ -215,8 +219,9 @@ FUNCTION(build_protobuf TARGET_NAME BUILD_FOR_HOST)
             PREFIX          ${PROTOBUF_SOURCES_DIR}
             SOURCE_SUBDIR   cmake
             UPDATE_COMMAND  ""
-            GIT_REPOSITORY  ${PROTOBUF_REPO}
+            GIT_REPOSITORY  ""
             GIT_TAG         ${PROTOBUF_TAG}
+            SOURCE_DIR      ${SOURCE_DIR}
             CMAKE_ARGS
                 ${OPTIONAL_ARGS}
                 -Dprotobuf_BUILD_TESTS=OFF
@@ -237,12 +242,12 @@ FUNCTION(build_protobuf TARGET_NAME BUILD_FOR_HOST)
         ExternalProject_Add(
             ${TARGET_NAME}
             ${EXTERNAL_PROJECT_LOG_ARGS}
-            PREFIX          ${PROTOBUF_SOURCES_DIR}
+            PREFIX          ${SOURCE_DIR}
             UPDATE_COMMAND  ""
-            GIT_REPOSITORY  ${PROTOBUF_REPO}
+            GIT_REPOSITORY  ""
             GIT_TAG         ${PROTOBUF_TAG}
-            CONFIGURE_COMMAND
-            ${CMAKE_COMMAND} ${PROTOBUF_SOURCES_DIR}/src/${TARGET_NAME}/cmake
+            SOURCE_DIR      ${SOURCE_DIR}
+            CONFIGURE_COMMAND ${CMAKE_COMMAND} ${SOURCE_DIR}/cmake
                 ${OPTIONAL_ARGS}
                 -Dprotobuf_BUILD_TESTS=OFF
                 -DCMAKE_SKIP_RPATH=ON
diff --git a/cmake/lite.cmake b/cmake/lite.cmake
index 89918b7cb94997d1a38cad81532e81f90756474f..2c839d36e27429672b1098bae4d5cbed16731115 100644
--- a/cmake/lite.cmake
+++ b/cmake/lite.cmake
@@ -368,7 +368,7 @@ function(bundle_static_library tgt_name bundled_tgt_name fake_target)
   set(bundled_tgt_full_name
     ${CMAKE_BINARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}${bundled_tgt_name}${CMAKE_STATIC_LIBRARY_SUFFIX})
 
-  message(STATUS "+++++ bundled_tgt_full_name: ${bundled_tgt_full_name}")
+  #message(STATUS "bundled_tgt_full_name: ${bundled_tgt_full_name}")
 
   if(NOT IOS)
     file(WRITE ${CMAKE_BINARY_DIR}/${bundled_tgt_name}.ar.in
diff --git a/lite/CMakeLists.txt b/lite/CMakeLists.txt
index 8c473904808454aa75dbd2fabfe5cc0bee75eff0..1e1ef1ec8aa79bbb1bf1aa8a3cc96413ad80c08a 100644
--- a/lite/CMakeLists.txt
+++ b/lite/CMakeLists.txt
@@ -10,7 +10,6 @@ message(STATUS "LITE_WITH_FPGA:\t${LITE_WITH_FPGA}")
 message(STATUS "LITE_WITH_PROFILE:\t${LITE_WITH_PROFILE}")
 
 set(LITE_MODEL_DIR "${THIRD_PARTY_PATH}/install")
-
 set(LITE_ON_MOBILE ${LITE_WITH_LIGHT_WEIGHT_FRAMEWORK})
 
 add_subdirectory(utils)
diff --git a/lite/api/CMakeLists.txt b/lite/api/CMakeLists.txt
index 85097a3e42c18ca3d154ef34783b68c90ced975b..43c42a3749aa125a7f72bba4699fb0de811519f1 100644
--- a/lite/api/CMakeLists.txt
+++ b/lite/api/CMakeLists.txt
@@ -128,7 +128,7 @@ if(LITE_WITH_LIGHT_WEIGHT_FRAMEWORK AND WITH_TESTING)
     set_target_properties(test_mobilenetv2 PROPERTIES LINK_FLAGS "${LINK_FLAGS}")
 
     lite_cc_test(test_resnet50 SRCS resnet50_test.cc
-       DEPS ${lite_model_test_DEPS}
+       DEPS ${lite_model_test_DEPS} paddle_api_light
        CL_DEPS ${opencl_kernels}
        FPGA_DEPS ${fpga_kernels}
        ARGS --cl_path=${CMAKE_SOURCE_DIR}/lite/opencl
@@ -145,7 +145,7 @@ if(LITE_WITH_LIGHT_WEIGHT_FRAMEWORK AND WITH_TESTING)
        CL_DEPS ${opencl_kernels}
        ARGS --cl_path=${CMAKE_SOURCE_DIR}/lite/opencl
             --model_dir=${LITE_MODEL_DIR}/inception_v4 SERIAL)
-    add_dependencies(test_inceptionv4 extern_lite_download_inception_v4_simple_tar_gz)    
+    add_dependencies(test_inceptionv4 extern_lite_download_inception_v4_simple_tar_gz)
    # lite_cc_test(test_ocr_attention SRCS ocr_attention_test.cc
    #    DEPS ${lite_model_test_DEPS})
 
diff --git a/lite/api/light_api_impl.cc b/lite/api/light_api_impl.cc
index 545c7f4829eaa457813ee9db12f1d4f75507feab..fd42ade4c7579b9c204fb41926636182727ec4dc 100644
--- a/lite/api/light_api_impl.cc
+++ b/lite/api/light_api_impl.cc
@@ -39,7 +39,7 @@ class LightPredictorImpl : public PaddlePredictor {
 };
 
 void LightPredictorImpl::Init(const MobileConfig& config) {
-  // LightPredictor Only support NaiveBuffer backend in publish lib
+// LightPredictor Only support NaiveBuffer backend in publish lib
 #ifdef LITE_WITH_ARM
   lite::DeviceInfo::Init();
   lite::DeviceInfo::Global().SetRunMode(config.power_mode(), config.threads());
diff --git a/lite/api/paddle_api.h b/lite/api/paddle_api.h
index b728b7c482e8bae0290c6a189f71876bac957215..28e4e757f34b5d1319829f57c5cbb230253e3471 100644
--- a/lite/api/paddle_api.h
+++ b/lite/api/paddle_api.h
@@ -113,9 +113,14 @@ class LITE_API CxxConfig : public ConfigBase {
 class LITE_API MobileConfig : public ConfigBase {
   PowerMode mode_{LITE_POWER_HIGH};
   int threads_{1};
-public:
-  MobileConfig(Place preferred_place=Place(TARGET(kARM), PRECISION(kFloat), DATALAYOUT(kNCHW)),
-               PowerMode mode=LITE_POWER_HIGH, int threads=1) : mode_(mode), threads_(threads) {}
+
+ public:
+  MobileConfig(Place preferred_place = Place(TARGET(kARM),
+                                             PRECISION(kFloat),
+                                             DATALAYOUT(kNCHW)),
+               PowerMode mode = LITE_POWER_HIGH,
+               int threads = 1)
+      : mode_(mode), threads_(threads) {}
   void set_power_mode(PowerMode mode) { mode_ = mode; }
   void set_threads(int threads) { threads_ = threads; }
 
diff --git a/lite/api/paddle_place.h b/lite/api/paddle_place.h
index f7fc29e7d6c5a902ab7d7a4f18e314885aaf2ac0..0e5d36aba43469882bf4dcc9aacc518acb3af597 100644
--- a/lite/api/paddle_place.h
+++ b/lite/api/paddle_place.h
@@ -70,13 +70,14 @@ enum class DataLayoutType : int {
   kAny = 2,  // any data layout
   NUM = 4,   // number of fields.
 };
+
 typedef enum {
-    LITE_POWER_HIGH = 0,
-    LITE_POWER_LOW = 1,
-    LITE_POWER_FULL = 2,
-    LITE_POWER_NO_BIND = 3,
-    LITE_POWER_RAND_HIGH = 4,
-    LITE_POWER_RAND_LOW = 5
+  LITE_POWER_HIGH = 0,
+  LITE_POWER_LOW = 1,
+  LITE_POWER_FULL = 2,
+  LITE_POWER_NO_BIND = 3,
+  LITE_POWER_RAND_HIGH = 4,
+  LITE_POWER_RAND_LOW = 5
 } PowerMode;
 
 enum class ActivationType : int {
diff --git a/lite/api/resnet18_test.cc b/lite/api/resnet18_test.cc
index 5176ad8e4cb95f1173952a6593e41b1fb8450431..8de36f8d62c6907b31fb6babbb6b4bc9b38e352a 100644
--- a/lite/api/resnet18_test.cc
+++ b/lite/api/resnet18_test.cc
@@ -27,8 +27,6 @@ namespace lite {
 
 #ifdef LITE_WITH_ARM
 TEST(ResNet18, test) {
-  DeviceInfo::Init();
-  DeviceInfo::Global().SetRunMode(lite_api::LITE_POWER_HIGH, FLAGS_threads);
   lite::Predictor predictor;
   std::vector<Place> valid_places({Place{TARGET(kHost), PRECISION(kFloat)},
                                    Place{TARGET(kARM), PRECISION(kFloat)}});
diff --git a/lite/core/cpu_info.cc b/lite/core/cpu_info.cc
index e882ef59bdbd0a3ab55d01626ad9480cbf74a8a7..4244d773571623babaef23e5e317fc5bbe5363cd 100644
--- a/lite/core/cpu_info.cc
+++ b/lite/core/cpu_info.cc
@@ -827,7 +827,7 @@ void DeviceInfo::RequestPowerHighMode(int thread_num) {
   int little_core_size = little_core_ids_.size();
   active_ids_.clear();
   if (big_core_size > 0) {
-    mode_ =lite_api::PowerMode::LITE_POWER_HIGH;
+    mode_ = lite_api::PowerMode::LITE_POWER_HIGH;
     if (thread_num > big_core_size) {
       LOG(ERROR) << "Request thread num: " << thread_num
                  << ", exceed the big cores size: " << big_core_size
@@ -1031,7 +1031,8 @@ int DeviceInfo::Setup() {
   }
   LOG(INFO) << "Total memory: " << mem_size_ << "KB";
   // set default run mode
-  SetRunMode(lite_api::PowerMode::LITE_POWER_NO_BIND, 1);  // use single thread by default
+  SetRunMode(lite_api::PowerMode::LITE_POWER_NO_BIND,
+             1);  // use single thread by default
   return 0;
 }
 
diff --git a/lite/core/mir/subgraph/CMakeLists.txt b/lite/core/mir/subgraph/CMakeLists.txt
index fa2af906b2f7fd87e4991a915fbbeb348dac522c..9984e202db08d95bbcd691888d91f06a7a3b1d2f 100644
--- a/lite/core/mir/subgraph/CMakeLists.txt
+++ b/lite/core/mir/subgraph/CMakeLists.txt
@@ -31,4 +31,4 @@ if(LITE_WITH_NPU)
 endif()
 
 set(subgraph_passes ${subgraph_passes} CACHE INTERNAL "subgraph_passes")
-message(STATUS "+++++ subgraph_passes: ${subgraph_passes}")
+message(STATUS "----> subgraph_passes: ${subgraph_passes}")
diff --git a/lite/fluid/CMakeLists.txt b/lite/fluid/CMakeLists.txt
index 2258ae61cda858f236eddd733b39cf884c0b81ba..308dcb2c3052a338c52cf888cec789e66cb8e887 100644
--- a/lite/fluid/CMakeLists.txt
+++ b/lite/fluid/CMakeLists.txt
@@ -1,4 +1,4 @@
 if (LITE_WITH_X86)
-lite_cc_library(fluid_data_type SRCS data_type.cc DEPS framework_proto)
+lite_cc_library(fluid_data_type SRCS data_type.cc DEPS framework_proto eigen3)
 # lite_cc_library(selected_rows SRCS selected_rows.cc)
 endif()
diff --git a/lite/kernels/arm/CMakeLists.txt b/lite/kernels/arm/CMakeLists.txt
index 524a235ef4489977b6673864aaf8d3e9ed4a6e93..39244971c26480ef7c0ff02a9e7e36891352ba22 100644
--- a/lite/kernels/arm/CMakeLists.txt
+++ b/lite/kernels/arm/CMakeLists.txt
@@ -43,10 +43,10 @@ add_kernel(squeeze_compute_arm ARM basic SRCS squeeze_compute.cc DEPS ${lite_ker
 add_kernel(expand_compute_arm ARM basic SRCS expand_compute.cc DEPS ${lite_kernel_deps} math_arm)
 add_kernel(reduce_max_compute_arm ARM basic SRCS reduce_max_compute.cc DEPS ${lite_kernel_deps} math_arm)
 add_kernel(sequence_expand_compute_arm ARM basic SRCS sequence_expand_compute.cc DEPS ${lite_kernel_deps} math_arm)
+add_kernel(im2sequence_compute_arm ARM basic SRCS im2sequence_compute.cc DEPS ${lite_kernel_deps} math_arm)
+add_kernel(sequence_pool_compute_arm ARM basic SRCS sequence_pool_compute.cc DEPS ${lite_kernel_deps} math_arm)
 
 # for OCR specific
-add_kernel(im2sequence_compute_arm ARM extra SRCS im2sequence_compute.cc DEPS ${lite_kernel_deps} math_arm)
-add_kernel(sequence_pool_compute_arm ARM extra SRCS sequence_pool_compute.cc DEPS ${lite_kernel_deps} math_arm)
 add_kernel(gru_unit_compute_arm ARM extra SRCS gru_unit_compute.cc DEPS ${lite_kernel_deps} math_arm)
 add_kernel(gru_compute_arm ARM extra SRCS gru_compute.cc DEPS ${lite_kernel_deps} math_arm)
 add_kernel(beam_search_decode_compute_arm ARM extra SRCS beam_search_decode_compute.cc DEPS ${lite_kernel_deps} math_arm)
diff --git a/lite/operators/CMakeLists.txt b/lite/operators/CMakeLists.txt
index f46c0f02d6301ba80860ab83de0a66b8e3679d4a..1893844314288b594194be0f1a07c1907fb18595 100644
--- a/lite/operators/CMakeLists.txt
+++ b/lite/operators/CMakeLists.txt
@@ -58,9 +58,9 @@ add_operator(norm_op basic SRCS norm_op.cc DEPS ${op_DEPS})
 add_operator(shape_op_lite basic SRCS shape_op.cc DEPS ${op_DEPS})
 add_operator(sequence_expand_op_lite basic SRCS sequence_expand_op.cc DEPS ${op_DEPS})
 add_operator(squeeze_op_lite basic SRCS squeeze_op.cc DEPS ${op_DEPS})
+add_operator(im2sequence_op basic SRCS im2sequence_op.cc DEPS ${op_DEPS})
 
 # for OCR specific
-add_operator(im2sequence_op extra SRCS im2sequence_op.cc DEPS ${op_DEPS})
 add_operator(while_op extra SRCS while_op.cc DEPS ${op_DEPS})
 add_operator(lookup_table_op extra SRCS lookup_table_op.cc DEPS ${op_DEPS})
 add_operator(beam_search_decode_op extra SRCS beam_search_decode_op.cc DEPS ${op_DEPS})
diff --git a/lite/tools/build.sh b/lite/tools/build.sh
index 7041e5b8f41c4bcf3641ad6574967cafdff4e00f..6e1cb7aba905173bfd1f5a48ddda8b6d10a61413 100755
--- a/lite/tools/build.sh
+++ b/lite/tools/build.sh
@@ -58,6 +58,8 @@ function make_full_publish_so {
   local lang=$3
   local android_stl=$4
 
+  git submodule update --init --recursive
+
   cur_dir=$(pwd)
   build_dir=$cur_dir/build.lite.${os}.${abi}.${lang}
   if [ -d $build_dir ]
@@ -85,6 +87,7 @@ function make_all_tests {
   local abi=$2
   local lang=$3
 
+  git submodule update --init --recursive
   cur_dir=$(pwd)
   build_dir=$cur_dir/build.lite.${os}.${abi}.${lang}
   if [ -d $build_dir ]
@@ -106,6 +109,7 @@ function make_all_tests {
 
 
 function print_usage {
+    set +x
     echo -e "\nUSAGE:"
     echo
     echo "----------------------------------------"
diff --git a/lite/tools/ci_build.sh b/lite/tools/ci_build.sh
index 54ca3427a0b636bce0d5dcb260fd5344d1c7d51e..e3b4d176cf0fbceb0830679e1b0fe4547002e4a7 100755
--- a/lite/tools/ci_build.sh
+++ b/lite/tools/ci_build.sh
@@ -22,6 +22,9 @@ function prepare_workspace {
     DEBUG_TOOL_PATH_PREFIX=lite/tools/debug
     mkdir -p ./${DEBUG_TOOL_PATH_PREFIX}
     cp ../${DEBUG_TOOL_PATH_PREFIX}/analysis_tool.py ./${DEBUG_TOOL_PATH_PREFIX}/
+
+    # clone submodule
+    git submodule update --init --recursive
 }
 
 function check_need_ci {
diff --git a/lite/tools/debug/model_debug_tool.cc b/lite/tools/debug/model_debug_tool.cc
index 38afc969140bd9ac24f4a0f305c01b61895877f3..ac6c3290ff19f17055c4ceab71969e850e93ba7d 100644
--- a/lite/tools/debug/model_debug_tool.cc
+++ b/lite/tools/debug/model_debug_tool.cc
@@ -33,7 +33,8 @@ void Run(DebugConfig* conf) {
   CHECK(conf);
 #ifdef LITE_WITH_ARM
   DeviceInfo::Init();
-  DeviceInfo::Global().SetRunMode(lite_api::LITE_POWER_HIGH, conf->arm_thread_num);
+  DeviceInfo::Global().SetRunMode(lite_api::LITE_POWER_HIGH,
+                                  conf->arm_thread_num);
 #endif
   lite::Predictor predictor;
   std::vector<Place> valid_places({
diff --git a/lite/utils/logging.h b/lite/utils/logging.h
index c593bcf76b351bbcbe7ca03426f25d29f3998296..8dbb7a9752fb5905168b9c6eb2280f6f025a7309 100644
--- a/lite/utils/logging.h
+++ b/lite/utils/logging.h
@@ -18,13 +18,13 @@
  */
 #pragma once
 
+#include <assert.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <time.h>
 #include <cstdlib>
 #include <cstring>
 #include <string>
-#include <assert.h>
 #include "lite/utils/replace_stl/stream.h"
 
 // NOLINTFILE()
diff --git a/lite/x86/math/CMakeLists.txt b/lite/x86/math/CMakeLists.txt
index 482e8f9c7cbdc913a13729b5529ac21df072a521..24b3df5a874d951bc1b253c6b81f7cb4aa426066 100644
--- a/lite/x86/math/CMakeLists.txt
+++ b/lite/x86/math/CMakeLists.txt
@@ -16,7 +16,7 @@ function(math_library TARGET)
     endif()
 
     list(LENGTH cc_srcs cc_srcs_len)
-    lite_cc_library(${TARGET} SRCS ${cc_srcs} DEPS ${math_library_DEPS} ${math_common_deps})
+    lite_cc_library(${TARGET} SRCS ${cc_srcs} DEPS ${math_library_DEPS} ${math_common_deps} eigen3)
 endfunction()
 
 # please add new math_library in alphabetical order
@@ -32,7 +32,7 @@ math_library(sampler)
 math_library(gru_compute DEPS activation_functions math_function)
 ## math_library(lstm_compute DEPS activation_functions)
 
-lite_cc_library(blas SRCS blas.cc DEPS cblas framework_proto)
+lite_cc_library(blas SRCS blas.cc DEPS cblas framework_proto eigen3)
 math_library(math_function DEPS blas)
 math_library(maxouting)
 math_library(pooling)
diff --git a/third-party/gflags b/third-party/gflags
new file mode 160000
index 0000000000000000000000000000000000000000..77592648e3f3be87d6c7123eb81cbad75f9aef5a
--- /dev/null
+++ b/third-party/gflags
@@ -0,0 +1 @@
+Subproject commit 77592648e3f3be87d6c7123eb81cbad75f9aef5a
diff --git a/third-party/googletest b/third-party/googletest
new file mode 160000
index 0000000000000000000000000000000000000000..ec44c6c1675c25b9827aacd08c02433cccde7780
--- /dev/null
+++ b/third-party/googletest
@@ -0,0 +1 @@
+Subproject commit ec44c6c1675c25b9827aacd08c02433cccde7780
diff --git a/third-party/protobuf-host b/third-party/protobuf-host
new file mode 160000
index 0000000000000000000000000000000000000000..9f75c5aa851cd877fb0d93ccc31b8567a6706546
--- /dev/null
+++ b/third-party/protobuf-host
@@ -0,0 +1 @@
+Subproject commit 9f75c5aa851cd877fb0d93ccc31b8567a6706546
diff --git a/third-party/protobuf-mobile b/third-party/protobuf-mobile
new file mode 160000
index 0000000000000000000000000000000000000000..0bccaabfc6fda5b04d7460110ae075b7eebe9d2a
--- /dev/null
+++ b/third-party/protobuf-mobile
@@ -0,0 +1 @@
+Subproject commit 0bccaabfc6fda5b04d7460110ae075b7eebe9d2a