diff --git a/.gitmodules b/.gitmodules
index f6ba8fa..cff731d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "servant/protocol"]
 	path = servant/protocol
 	url = https://github.com/TarsCloud/TarsProtocol.git
+[submodule "unittest"]
+	path = unittest
+	url = https://github.com/TarsCloud/tars-unittest.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 43a1f0e..157dd9b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,6 +10,10 @@ set(MYSQL_DIR_LIB "/usr/local/mysql/lib")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -g -O2 -Wall -Wno-deprecated")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O2 -Wall -Wno-deprecated")
 
+#for coverage statistics
+#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -g -O2 -Wall -Wno-deprecated -fprofile-arcs -ftest-coverage")
+#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O2 -Wall -Wno-deprecated -fprofile-arcs -ftest-coverage")
+
 #set(CMAKE_BUILD_TYPE "Debug")
 
 set(TARS_VERSION "1.1.0")
diff --git a/test/CMakeLists.txt b/test_deprecated/CMakeLists.txt
similarity index 100%
rename from test/CMakeLists.txt
rename to test_deprecated/CMakeLists.txt
diff --git a/test/README.md b/test_deprecated/README.md
similarity index 100%
rename from test/README.md
rename to test_deprecated/README.md
diff --git a/test/testFramework/CMakeLists.txt b/test_deprecated/testFramework/CMakeLists.txt
similarity index 100%
rename from test/testFramework/CMakeLists.txt
rename to test_deprecated/testFramework/CMakeLists.txt
diff --git a/test/testFramework/testAdminRegistry/CMakeLists.txt b/test_deprecated/testFramework/testAdminRegistry/CMakeLists.txt
similarity index 100%
rename from test/testFramework/testAdminRegistry/CMakeLists.txt
rename to test_deprecated/testFramework/testAdminRegistry/CMakeLists.txt
diff --git a/test/testFramework/testAdminRegistry/main.cpp b/test_deprecated/testFramework/testAdminRegistry/main.cpp
similarity index 100%
rename from test/testFramework/testAdminRegistry/main.cpp
rename to test_deprecated/testFramework/testAdminRegistry/main.cpp
diff --git a/test/testServant/CMakeLists.txt b/test_deprecated/testServant/CMakeLists.txt
similarity index 100%
rename from test/testServant/CMakeLists.txt
rename to test_deprecated/testServant/CMakeLists.txt
diff --git a/test/testServant/testTarsAnalyzer/CMakeLists.txt b/test_deprecated/testServant/testTarsAnalyzer/CMakeLists.txt
similarity index 100%
rename from test/testServant/testTarsAnalyzer/CMakeLists.txt
rename to test_deprecated/testServant/testTarsAnalyzer/CMakeLists.txt
diff --git a/test/testServant/testTarsAnalyzer/main.cpp b/test_deprecated/testServant/testTarsAnalyzer/main.cpp
similarity index 100%
rename from test/testServant/testTarsAnalyzer/main.cpp
rename to test_deprecated/testServant/testTarsAnalyzer/main.cpp
diff --git a/test/testServant/testTarsAnalyzer/tarsAnalyzer.cpp b/test_deprecated/testServant/testTarsAnalyzer/tarsAnalyzer.cpp
similarity index 100%
rename from test/testServant/testTarsAnalyzer/tarsAnalyzer.cpp
rename to test_deprecated/testServant/testTarsAnalyzer/tarsAnalyzer.cpp
diff --git a/test/testServant/testTarsAnalyzer/tarsAnalyzer.h b/test_deprecated/testServant/testTarsAnalyzer/tarsAnalyzer.h
similarity index 100%
rename from test/testServant/testTarsAnalyzer/tarsAnalyzer.h
rename to test_deprecated/testServant/testTarsAnalyzer/tarsAnalyzer.h
diff --git a/test/testServant/testTarsAnalyzer/tupRequestF.h b/test_deprecated/testServant/testTarsAnalyzer/tupRequestF.h
similarity index 100%
rename from test/testServant/testTarsAnalyzer/tupRequestF.h
rename to test_deprecated/testServant/testTarsAnalyzer/tupRequestF.h
diff --git a/test/testServant/testTup/CMakeLists.txt b/test_deprecated/testServant/testTup/CMakeLists.txt
similarity index 100%
rename from test/testServant/testTup/CMakeLists.txt
rename to test_deprecated/testServant/testTup/CMakeLists.txt
diff --git a/test/testServant/testTup/UserInfo.h b/test_deprecated/testServant/testTup/UserInfo.h
similarity index 100%
rename from test/testServant/testTup/UserInfo.h
rename to test_deprecated/testServant/testTup/UserInfo.h
diff --git a/test/testServant/testTup/UserInfo.tars b/test_deprecated/testServant/testTup/UserInfo.tars
similarity index 100%
rename from test/testServant/testTup/UserInfo.tars
rename to test_deprecated/testServant/testTup/UserInfo.tars
diff --git a/test/testServant/testTup/main.cpp b/test_deprecated/testServant/testTup/main.cpp
similarity index 100%
rename from test/testServant/testTup/main.cpp
rename to test_deprecated/testServant/testTup/main.cpp
diff --git a/test/testUtil/CMakeLists.txt b/test_deprecated/testUtil/CMakeLists.txt
similarity index 100%
rename from test/testUtil/CMakeLists.txt
rename to test_deprecated/testUtil/CMakeLists.txt
diff --git a/test/testUtil/example_tc_autoptr.cpp b/test_deprecated/testUtil/example_tc_autoptr.cpp
similarity index 100%
rename from test/testUtil/example_tc_autoptr.cpp
rename to test_deprecated/testUtil/example_tc_autoptr.cpp
diff --git a/test/testUtil/example_tc_bitmap.cpp b/test_deprecated/testUtil/example_tc_bitmap.cpp
similarity index 100%
rename from test/testUtil/example_tc_bitmap.cpp
rename to test_deprecated/testUtil/example_tc_bitmap.cpp
diff --git a/test/testUtil/example_tc_cgi.cpp b/test_deprecated/testUtil/example_tc_cgi.cpp
similarity index 100%
rename from test/testUtil/example_tc_cgi.cpp
rename to test_deprecated/testUtil/example_tc_cgi.cpp
diff --git a/test/testUtil/example_tc_common.cpp b/test_deprecated/testUtil/example_tc_common.cpp
similarity index 100%
rename from test/testUtil/example_tc_common.cpp
rename to test_deprecated/testUtil/example_tc_common.cpp
diff --git a/test/testUtil/example_tc_config.cpp b/test_deprecated/testUtil/example_tc_config.cpp
similarity index 100%
rename from test/testUtil/example_tc_config.cpp
rename to test_deprecated/testUtil/example_tc_config.cpp
diff --git a/test/testUtil/example_tc_encoder.cpp b/test_deprecated/testUtil/example_tc_encoder.cpp
similarity index 100%
rename from test/testUtil/example_tc_encoder.cpp
rename to test_deprecated/testUtil/example_tc_encoder.cpp
diff --git a/test/testUtil/example_tc_file.cpp b/test_deprecated/testUtil/example_tc_file.cpp
similarity index 100%
rename from test/testUtil/example_tc_file.cpp
rename to test_deprecated/testUtil/example_tc_file.cpp
diff --git a/test/testUtil/example_tc_file_lock.cpp b/test_deprecated/testUtil/example_tc_file_lock.cpp
similarity index 100%
rename from test/testUtil/example_tc_file_lock.cpp
rename to test_deprecated/testUtil/example_tc_file_lock.cpp
diff --git a/test/testUtil/example_tc_gzip.cpp b/test_deprecated/testUtil/example_tc_gzip.cpp
similarity index 100%
rename from test/testUtil/example_tc_gzip.cpp
rename to test_deprecated/testUtil/example_tc_gzip.cpp
diff --git a/test/testUtil/example_tc_hashmap.cpp b/test_deprecated/testUtil/example_tc_hashmap.cpp
similarity index 100%
rename from test/testUtil/example_tc_hashmap.cpp
rename to test_deprecated/testUtil/example_tc_hashmap.cpp
diff --git a/test/testUtil/example_tc_http.cpp b/test_deprecated/testUtil/example_tc_http.cpp
similarity index 100%
rename from test/testUtil/example_tc_http.cpp
rename to test_deprecated/testUtil/example_tc_http.cpp
diff --git a/test/testUtil/example_tc_http_async.cpp b/test_deprecated/testUtil/example_tc_http_async.cpp
similarity index 100%
rename from test/testUtil/example_tc_http_async.cpp
rename to test_deprecated/testUtil/example_tc_http_async.cpp
diff --git a/test/testUtil/example_tc_lock.cpp b/test_deprecated/testUtil/example_tc_lock.cpp
similarity index 100%
rename from test/testUtil/example_tc_lock.cpp
rename to test_deprecated/testUtil/example_tc_lock.cpp
diff --git a/test/testUtil/example_tc_log.cpp b/test_deprecated/testUtil/example_tc_log.cpp
similarity index 100%
rename from test/testUtil/example_tc_log.cpp
rename to test_deprecated/testUtil/example_tc_log.cpp
diff --git a/test/testUtil/example_tc_mem_chunk.cpp b/test_deprecated/testUtil/example_tc_mem_chunk.cpp
similarity index 100%
rename from test/testUtil/example_tc_mem_chunk.cpp
rename to test_deprecated/testUtil/example_tc_mem_chunk.cpp
diff --git a/test/testUtil/example_tc_mem_queue.cpp b/test_deprecated/testUtil/example_tc_mem_queue.cpp
similarity index 100%
rename from test/testUtil/example_tc_mem_queue.cpp
rename to test_deprecated/testUtil/example_tc_mem_queue.cpp
diff --git a/test/testUtil/example_tc_mmap.cpp b/test_deprecated/testUtil/example_tc_mmap.cpp
similarity index 100%
rename from test/testUtil/example_tc_mmap.cpp
rename to test_deprecated/testUtil/example_tc_mmap.cpp
diff --git a/test/testUtil/example_tc_multi_hashmap.cpp b/test_deprecated/testUtil/example_tc_multi_hashmap.cpp
similarity index 100%
rename from test/testUtil/example_tc_multi_hashmap.cpp
rename to test_deprecated/testUtil/example_tc_multi_hashmap.cpp
diff --git a/test/testUtil/example_tc_mysql.cpp b/test_deprecated/testUtil/example_tc_mysql.cpp
similarity index 100%
rename from test/testUtil/example_tc_mysql.cpp
rename to test_deprecated/testUtil/example_tc_mysql.cpp
diff --git a/test/testUtil/example_tc_option.cpp b/test_deprecated/testUtil/example_tc_option.cpp
similarity index 100%
rename from test/testUtil/example_tc_option.cpp
rename to test_deprecated/testUtil/example_tc_option.cpp
diff --git a/test/testUtil/example_tc_pack.cpp b/test_deprecated/testUtil/example_tc_pack.cpp
similarity index 100%
rename from test/testUtil/example_tc_pack.cpp
rename to test_deprecated/testUtil/example_tc_pack.cpp
diff --git a/test/testUtil/example_tc_singleton.cpp b/test_deprecated/testUtil/example_tc_singleton.cpp
similarity index 100%
rename from test/testUtil/example_tc_singleton.cpp
rename to test_deprecated/testUtil/example_tc_singleton.cpp
diff --git a/test/testUtil/example_tc_socket.cpp b/test_deprecated/testUtil/example_tc_socket.cpp
similarity index 100%
rename from test/testUtil/example_tc_socket.cpp
rename to test_deprecated/testUtil/example_tc_socket.cpp
diff --git a/test/testUtil/example_tc_thread.cpp b/test_deprecated/testUtil/example_tc_thread.cpp
similarity index 100%
rename from test/testUtil/example_tc_thread.cpp
rename to test_deprecated/testUtil/example_tc_thread.cpp
diff --git a/test/testUtil/example_tc_thread_lock.cpp b/test_deprecated/testUtil/example_tc_thread_lock.cpp
similarity index 100%
rename from test/testUtil/example_tc_thread_lock.cpp
rename to test_deprecated/testUtil/example_tc_thread_lock.cpp
diff --git a/test/testUtil/example_tc_thread_pool.cpp b/test_deprecated/testUtil/example_tc_thread_pool.cpp
similarity index 100%
rename from test/testUtil/example_tc_thread_pool.cpp
rename to test_deprecated/testUtil/example_tc_thread_pool.cpp
diff --git a/test/testUtil/example_tc_thread_queue.cpp b/test_deprecated/testUtil/example_tc_thread_queue.cpp
similarity index 100%
rename from test/testUtil/example_tc_thread_queue.cpp
rename to test_deprecated/testUtil/example_tc_thread_queue.cpp
diff --git a/test/testUtil/log.config.conf b/test_deprecated/testUtil/log.config.conf
similarity index 100%
rename from test/testUtil/log.config.conf
rename to test_deprecated/testUtil/log.config.conf
diff --git a/test/testUtil/template.config.conf b/test_deprecated/testUtil/template.config.conf
similarity index 100%
rename from test/testUtil/template.config.conf
rename to test_deprecated/testUtil/template.config.conf
diff --git a/test/testUtil/test.html b/test_deprecated/testUtil/test.html
similarity index 100%
rename from test/testUtil/test.html
rename to test_deprecated/testUtil/test.html
diff --git a/unittest b/unittest
new file mode 160000
index 0000000..e663956
--- /dev/null
+++ b/unittest
@@ -0,0 +1 @@
+Subproject commit e663956b02aa72f9491f759263da89d62502f7e8