diff --git a/.mergify.yml b/.mergify.yml
index 3347c6dc3..f012c2f8e 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -130,7 +130,7 @@ pull_request_rules:
         add: ["Docker"]
   - name: "auto add label=Deployment"
     conditions:
-      - files~=^speechnn/
+      - files~=^speechx/
     actions:
       label:
         add: ["Deployment"]
diff --git a/speechx/CMakeLists.txt b/speechx/CMakeLists.txt
new file mode 100644
index 000000000..878374bab
--- /dev/null
+++ b/speechx/CMakeLists.txt
@@ -0,0 +1,77 @@
+cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
+
+project(deepspeech VERSION 0.1)
+
+set(CMAKE_VERBOSE_MAKEFILE on)
+# set std-14
+set(CMAKE_CXX_STANDARD 14)
+
+# include file 
+include(FetchContent)
+include(ExternalProject)
+# fc_patch dir
+set(FETCHCONTENT_QUIET off)
+get_filename_component(fc_patch "fc_patch" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
+set(FETCHCONTENT_BASE_DIR ${fc_patch})
+
+
+###############################################################################
+# Option Configurations
+###############################################################################
+# option configurations 
+option(TEST_DEBUG "option for debug" OFF)
+
+
+###############################################################################
+# Include third party
+###############################################################################
+# #example for include third party
+# FetchContent_Declare()
+# # FetchContent_MakeAvailable was not added until CMake 3.14
+# FetchContent_MakeAvailable()
+# include_directories()
+
+# ABSEIL-CPP
+include(FetchContent)
+FetchContent_Declare(
+  absl
+  GIT_REPOSITORY "https://github.com/abseil/abseil-cpp.git"
+  GIT_TAG "20210324.1"
+)
+FetchContent_MakeAvailable(absl)
+
+# libsndfile
+include(FetchContent)
+FetchContent_Declare(
+  libsndfile
+  GIT_REPOSITORY "https://github.com/libsndfile/libsndfile.git"
+  GIT_TAG "1.0.31"
+)
+FetchContent_MakeAvailable(libsndfile)
+
+
+###############################################################################
+# Add local library
+###############################################################################
+# system lib 
+find_package()
+# if dir have CmakeLists.txt 
+add_subdirectory()
+# if dir do not have CmakeLists.txt 
+add_library(lib_name STATIC file.cc)
+target_link_libraries(lib_name item0 item1)
+add_dependencies(lib_name depend-target)
+
+
+###############################################################################
+# Library installation
+###############################################################################
+install()
+
+
+###############################################################################
+# Build binary file
+###############################################################################
+add_executable()
+target_link_libraries()
+
diff --git a/speechx/docker/.gitkeep b/speechx/docker/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/speechx/examples/.gitkeep b/speechx/examples/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/speechx/speechx/CMakeLists.txt b/speechx/speechx/CMakeLists.txt
new file mode 100644
index 000000000..e69de29bb
diff --git a/speechx/speechx/decoder/CMakeLists.txt b/speechx/speechx/decoder/CMakeLists.txt
new file mode 100644
index 000000000..259261bdf
--- /dev/null
+++ b/speechx/speechx/decoder/CMakeLists.txt
@@ -0,0 +1,2 @@
+aux_source_directory(. DIR_LIB_SRCS)
+add_library(decoder STATIC ${DIR_LIB_SRCS})
diff --git a/speechx/speechx/frontend/CMakeLists.txt b/speechx/speechx/frontend/CMakeLists.txt
new file mode 100644
index 000000000..e69de29bb
diff --git a/speechx/speechx/frontend/audio/CMakeLists.txt b/speechx/speechx/frontend/audio/CMakeLists.txt
new file mode 100644
index 000000000..e69de29bb
diff --git a/speechx/speechx/frontend/text/CMakeLists.txt b/speechx/speechx/frontend/text/CMakeLists.txt
new file mode 100644
index 000000000..e69de29bb
diff --git a/speechx/speechx/kaldi/.gitkeep b/speechx/speechx/kaldi/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/speechx/speechx/model/CMakeLists.txt b/speechx/speechx/model/CMakeLists.txt
new file mode 100644
index 000000000..e69de29bb
diff --git a/speechx/speechx/protocol/CMakeLists.txt b/speechx/speechx/protocol/CMakeLists.txt
new file mode 100644
index 000000000..e69de29bb
diff --git a/speechx/speechx/third_party/CMakeLists.txt b/speechx/speechx/third_party/CMakeLists.txt
new file mode 100644
index 000000000..e69de29bb
diff --git a/speechx/speechx/utils/CMakeLists.txt b/speechx/speechx/utils/CMakeLists.txt
new file mode 100644
index 000000000..e69de29bb