diff --git a/src/client/CMakeLists.txt b/2.0/src/client/CMakeLists.txt
similarity index 100%
rename from src/client/CMakeLists.txt
rename to 2.0/src/client/CMakeLists.txt
diff --git a/src/client/inc/tscGlobalmerge.h b/2.0/src/client/inc/tscGlobalmerge.h
similarity index 100%
rename from src/client/inc/tscGlobalmerge.h
rename to 2.0/src/client/inc/tscGlobalmerge.h
diff --git a/src/client/inc/tscLog.h b/2.0/src/client/inc/tscLog.h
similarity index 100%
rename from src/client/inc/tscLog.h
rename to 2.0/src/client/inc/tscLog.h
diff --git a/src/client/inc/tscParseLine.h b/2.0/src/client/inc/tscParseLine.h
similarity index 100%
rename from src/client/inc/tscParseLine.h
rename to 2.0/src/client/inc/tscParseLine.h
diff --git a/src/client/inc/tscProfile.h b/2.0/src/client/inc/tscProfile.h
similarity index 100%
rename from src/client/inc/tscProfile.h
rename to 2.0/src/client/inc/tscProfile.h
diff --git a/src/client/inc/tscSubquery.h b/2.0/src/client/inc/tscSubquery.h
similarity index 100%
rename from src/client/inc/tscSubquery.h
rename to 2.0/src/client/inc/tscSubquery.h
diff --git a/src/client/inc/tscUtil.h b/2.0/src/client/inc/tscUtil.h
similarity index 100%
rename from src/client/inc/tscUtil.h
rename to 2.0/src/client/inc/tscUtil.h
diff --git a/src/client/inc/tsclient.h b/2.0/src/client/inc/tsclient.h
similarity index 100%
rename from src/client/inc/tsclient.h
rename to 2.0/src/client/inc/tsclient.h
diff --git a/src/client/jni/com_taosdata_jdbc_TSDBJNIConnector.h b/2.0/src/client/jni/com_taosdata_jdbc_TSDBJNIConnector.h
similarity index 100%
rename from src/client/jni/com_taosdata_jdbc_TSDBJNIConnector.h
rename to 2.0/src/client/jni/com_taosdata_jdbc_TSDBJNIConnector.h
diff --git a/src/client/src/TSDBJNIConnector.c b/2.0/src/client/src/TSDBJNIConnector.c
similarity index 100%
rename from src/client/src/TSDBJNIConnector.c
rename to 2.0/src/client/src/TSDBJNIConnector.c
diff --git a/src/client/src/taos.def b/2.0/src/client/src/taos.def
similarity index 100%
rename from src/client/src/taos.def
rename to 2.0/src/client/src/taos.def
diff --git a/src/client/src/taos.rc.in b/2.0/src/client/src/taos.rc.in
similarity index 100%
rename from src/client/src/taos.rc.in
rename to 2.0/src/client/src/taos.rc.in
diff --git a/src/client/src/tscAsync.c b/2.0/src/client/src/tscAsync.c
similarity index 100%
rename from src/client/src/tscAsync.c
rename to 2.0/src/client/src/tscAsync.c
diff --git a/src/client/src/tscGlobalmerge.c b/2.0/src/client/src/tscGlobalmerge.c
similarity index 100%
rename from src/client/src/tscGlobalmerge.c
rename to 2.0/src/client/src/tscGlobalmerge.c
diff --git a/src/client/src/tscLocal.c b/2.0/src/client/src/tscLocal.c
similarity index 100%
rename from src/client/src/tscLocal.c
rename to 2.0/src/client/src/tscLocal.c
diff --git a/src/client/src/tscParseInsert.c b/2.0/src/client/src/tscParseInsert.c
similarity index 100%
rename from src/client/src/tscParseInsert.c
rename to 2.0/src/client/src/tscParseInsert.c
diff --git a/src/client/src/tscParseLineProtocol.c b/2.0/src/client/src/tscParseLineProtocol.c
similarity index 100%
rename from src/client/src/tscParseLineProtocol.c
rename to 2.0/src/client/src/tscParseLineProtocol.c
diff --git a/src/client/src/tscParseOpenTSDB.c b/2.0/src/client/src/tscParseOpenTSDB.c
similarity index 100%
rename from src/client/src/tscParseOpenTSDB.c
rename to 2.0/src/client/src/tscParseOpenTSDB.c
diff --git a/src/client/src/tscPrepare.c b/2.0/src/client/src/tscPrepare.c
similarity index 100%
rename from src/client/src/tscPrepare.c
rename to 2.0/src/client/src/tscPrepare.c
diff --git a/src/client/src/tscProfile.c b/2.0/src/client/src/tscProfile.c
similarity index 100%
rename from src/client/src/tscProfile.c
rename to 2.0/src/client/src/tscProfile.c
diff --git a/src/client/src/tscSQLParser.c b/2.0/src/client/src/tscSQLParser.c
similarity index 100%
rename from src/client/src/tscSQLParser.c
rename to 2.0/src/client/src/tscSQLParser.c
diff --git a/src/client/src/tscServer.c b/2.0/src/client/src/tscServer.c
similarity index 100%
rename from src/client/src/tscServer.c
rename to 2.0/src/client/src/tscServer.c
diff --git a/src/client/src/tscSql.c b/2.0/src/client/src/tscSql.c
similarity index 100%
rename from src/client/src/tscSql.c
rename to 2.0/src/client/src/tscSql.c
diff --git a/src/client/src/tscStream.c b/2.0/src/client/src/tscStream.c
similarity index 100%
rename from src/client/src/tscStream.c
rename to 2.0/src/client/src/tscStream.c
diff --git a/src/client/src/tscSub.c b/2.0/src/client/src/tscSub.c
similarity index 100%
rename from src/client/src/tscSub.c
rename to 2.0/src/client/src/tscSub.c
diff --git a/src/client/src/tscSubquery.c b/2.0/src/client/src/tscSubquery.c
similarity index 100%
rename from src/client/src/tscSubquery.c
rename to 2.0/src/client/src/tscSubquery.c
diff --git a/src/client/src/tscSystem.c b/2.0/src/client/src/tscSystem.c
similarity index 100%
rename from src/client/src/tscSystem.c
rename to 2.0/src/client/src/tscSystem.c
diff --git a/src/client/src/tscUtil.c b/2.0/src/client/src/tscUtil.c
similarity index 100%
rename from src/client/src/tscUtil.c
rename to 2.0/src/client/src/tscUtil.c
diff --git a/src/client/tests/CMakeLists.txt b/2.0/src/client/tests/CMakeLists.txt
similarity index 100%
rename from src/client/tests/CMakeLists.txt
rename to 2.0/src/client/tests/CMakeLists.txt
diff --git a/src/client/tests/cliTest.cpp b/2.0/src/client/tests/cliTest.cpp
similarity index 100%
rename from src/client/tests/cliTest.cpp
rename to 2.0/src/client/tests/cliTest.cpp
diff --git a/src/client/tests/timeParseTest.cpp b/2.0/src/client/tests/timeParseTest.cpp
similarity index 100%
rename from src/client/tests/timeParseTest.cpp
rename to 2.0/src/client/tests/timeParseTest.cpp
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
deleted file mode 100644
index b35cf60dab..0000000000
--- a/src/CMakeLists.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-# Base components
-add_subdirectory(os)
-add_subdirectory(util)
-add_subdirectory(common)
-
-# Library components
-
-# Service components
-# add_subdirectory(mnode)
-# add_subdirectory(vnode)
-# add_subdirectory(qnode)
-add_subdirectory(dnode)
-