diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9533514ebc7be1ca42eabc6892e0e8a860a7dadf..e16c93c1f1394969c945aba55188c262dfb4b961 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,9 @@ endif(${BUILD_TEST})
 ## lz4
 cat("${CMAKE_SUPPORT_DIR}/lz4_CMakeLists.txt.in" ${DEPS_TMP_FILE})
 
+## zlib
+cat("${CMAKE_SUPPORT_DIR}/zlib_CMakeLists.txt.in" ${DEPS_TMP_FILE})
+
 ## cJson
 cat("${CMAKE_SUPPORT_DIR}/cjson_CMakeLists.txt.in" ${DEPS_TMP_FILE})
 
diff --git a/cmake/cjson_CMakeLists.txt.in b/cmake/cjson_CMakeLists.txt.in
index 83f34ae794f1b3cd192082a2b2080ed1e3244c8f..9995d1f8d8b79da13a70801f02fea0ce01cf48f4 100644
--- a/cmake/cjson_CMakeLists.txt.in
+++ b/cmake/cjson_CMakeLists.txt.in
@@ -4,7 +4,7 @@ ExternalProject_Add(cjson
         GIT_REPOSITORY git@github.com:taosdata-contrib/cJSON.git
         GIT_TAG v1.7.15
         SOURCE_DIR "${CMAKE_SOURCE_DIR}/deps/cJson"
-        BINARY_DIR "${CMAKE_BINARY_DIR}/cJson-build"
+        BINARY_DIR ""
         CONFIGURE_COMMAND ""
         BUILD_COMMAND ""
         INSTALL_COMMAND ""
diff --git a/cmake/gtest_CMakeLists.txt.in b/cmake/gtest_CMakeLists.txt.in
index 6de66e23de0c0c31967bd3972270100177b87181..655870e0c91625e2e1ec918d50ea57db096de43d 100644
--- a/cmake/gtest_CMakeLists.txt.in
+++ b/cmake/gtest_CMakeLists.txt.in
@@ -4,7 +4,7 @@ ExternalProject_Add(googletest
         GIT_REPOSITORY git@github.com:taosdata-contrib/googletest.git
         GIT_TAG release-1.11.0
         SOURCE_DIR "${CMAKE_SOURCE_DIR}/deps/googletest"
-        BINARY_DIR "${CMAKE_BINARY_DIR}/googletest-build"
+        BINARY_DIR ""
         CONFIGURE_COMMAND ""
         BUILD_COMMAND ""
         INSTALL_COMMAND ""
diff --git a/cmake/lz4_CMakeLists.txt.in b/cmake/lz4_CMakeLists.txt.in
index 56e5fbd25881076a59a08bfb563961c4ab58a571..5dba4f2ab18e10d3df040b0ca4cb16b716e4a416 100644
--- a/cmake/lz4_CMakeLists.txt.in
+++ b/cmake/lz4_CMakeLists.txt.in
@@ -4,7 +4,7 @@ ExternalProject_Add(lz4
         GIT_REPOSITORY git@github.com:taosdata-contrib/lz4.git
         GIT_TAG v1.9.3
         SOURCE_DIR "${CMAKE_SOURCE_DIR}/deps/lz4"
-        BINARY_DIR "${CMAKE_BINARY_DIR}/lz4-build"
+        BINARY_DIR ""
         CONFIGURE_COMMAND ""
         BUILD_COMMAND ""
         INSTALL_COMMAND ""
diff --git a/cmake/zlib_CMakeLists.txt.in b/cmake/zlib_CMakeLists.txt.in
new file mode 100644
index 0000000000000000000000000000000000000000..c997fc79831d25330061679e4dce4ce89eb41745
--- /dev/null
+++ b/cmake/zlib_CMakeLists.txt.in
@@ -0,0 +1,13 @@
+
+# zlib
+ExternalProject_Add(zlib
+        GIT_REPOSITORY git@github.com:taosdata-contrib/zlib.git
+        GIT_TAG v1.2.11
+        SOURCE_DIR "${CMAKE_SOURCE_DIR}/deps/zlib"
+        BINARY_DIR ""
+        #BUILD_IN_SOURCE TRUE
+        CONFIGURE_COMMAND ""
+        BUILD_COMMAND ""
+        INSTALL_COMMAND ""
+        TEST_COMMAND ""
+)
\ No newline at end of file
diff --git a/deps/CMakeLists.txt b/deps/CMakeLists.txt
index 1d8eac00aae9e58ebc4a655a58c0b9e63c0f2f5e..0e08be44ac0e18a5c32864515b12b4f531d80d82 100644
--- a/deps/CMakeLists.txt
+++ b/deps/CMakeLists.txt
@@ -4,3 +4,9 @@ endif(${BUILD_TEST})
 
 add_subdirectory(cJson)
 add_subdirectory(lz4/build/cmake)
+add_subdirectory(zlib)
+target_include_directories(
+    zlib
+    PUBLIC ${CMAKE_CURRENT_BINARY_DIR}/zlib
+    PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/zlib
+)
diff --git a/include/libs/asvc/asvc.h b/include/libs/transport/transport.h
similarity index 90%
rename from include/libs/asvc/asvc.h
rename to include/libs/transport/transport.h
index f8c697726925b77f06971faf1c01f9593c57f356..27331088250b1ede4e63c7ca0c8e24c3178fadef 100644
--- a/include/libs/asvc/asvc.h
+++ b/include/libs/transport/transport.h
@@ -13,8 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _TD_ASVC_H_
-#define _TD_ASVC_H_
+#ifndef _TD_TRANSPORT_H_
+#define _TD_TRANSPORT_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -24,4 +24,4 @@ extern "C" {
 }
 #endif
 
-#endif /*_TD_ASVC_H_*/
\ No newline at end of file
+#endif /*_TD_TRANSPORT_H_*/
\ No newline at end of file
diff --git a/source/libs/CMakeLists.txt b/source/libs/CMakeLists.txt
index c19a9da7d81d36918bbb11f4f12e3df5e21caa5f..ed6d2bef4f74d0608c106623aa5c208ccfb93f31 100644
--- a/source/libs/CMakeLists.txt
+++ b/source/libs/CMakeLists.txt
@@ -1,4 +1,4 @@
-add_subdirectory(asvc)
+add_subdirectory(transport)
 add_subdirectory(raft)
 add_subdirectory(tkv)
 add_subdirectory(index)
diff --git a/source/libs/asvc/CMakeLists.txt b/source/libs/asvc/CMakeLists.txt
deleted file mode 100644
index 11c2e0bf59974ec5a71c0fed418acbd330714d96..0000000000000000000000000000000000000000
--- a/source/libs/asvc/CMakeLists.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-aux_source_directory(src ASVC_SRC)
-add_library(asvc ${ASVC_SRC})
-target_include_directories(
-    asvc
-    PUBLIC "${CMAKE_SOURCE_DIR}/include/libs/asvc"
-    PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
-)
\ No newline at end of file
diff --git a/source/libs/transport/CMakeLists.txt b/source/libs/transport/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c01996cb8cff7e7510707af1f31d6395594b1c7b
--- /dev/null
+++ b/source/libs/transport/CMakeLists.txt
@@ -0,0 +1,7 @@
+aux_source_directory(src TRANSPORT_SRC)
+add_library(transport ${TRANSPORT_SRC})
+target_include_directories(
+    transport
+    PUBLIC "${CMAKE_SOURCE_DIR}/include/libs/transport"
+    PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
\ No newline at end of file
diff --git a/source/libs/asvc/inc/asvcInt.h b/source/libs/transport/inc/transportInt.h
similarity index 88%
rename from source/libs/asvc/inc/asvcInt.h
rename to source/libs/transport/inc/transportInt.h
index e32a2ea70bf931d3cef190f22b8b97fb34b957f2..24a2e0ef89fcf32bc3c1950384480dbce9c7228c 100644
--- a/source/libs/asvc/inc/asvcInt.h
+++ b/source/libs/transport/inc/transportInt.h
@@ -13,8 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _TD_ASVC_INT_H_
-#define _TD_ASVC_INT_H_
+#ifndef _TD_TRANSPORT_INT_H_
+#define _TD_TRANSPORT_INT_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -24,4 +24,4 @@ extern "C" {
 }
 #endif
 
-#endif /*_TD_ASVC_INT_H_*/
\ No newline at end of file
+#endif /*_TD_TRANSPORT_INT_H_*/
\ No newline at end of file
diff --git a/source/libs/asvc/src/asvc.c b/source/libs/transport/src/transport.c
similarity index 100%
rename from source/libs/asvc/src/asvc.c
rename to source/libs/transport/src/transport.c
diff --git a/source/libs/asvc/test/asvcTests.cpp b/source/libs/transport/test/transportTests.cpp
similarity index 100%
rename from source/libs/asvc/test/asvcTests.cpp
rename to source/libs/transport/test/transportTests.cpp