diff --git a/display_server/drivers/hal/base/BUILD.gn b/display_server/drivers/hal/base/BUILD.gn
index 8f1fff9975fb13b225f0a29d9885c4487c9d9acc..1a67606345de74a86cfe5ad373a20e1881399c40 100644
--- a/display_server/drivers/hal/base/BUILD.gn
+++ b/display_server/drivers/hal/base/BUILD.gn
@@ -14,28 +14,28 @@
 import("//build/gn/fangtian.gni")
 
 config("hal_base_public_config") {
-  include_dirs = [ 
+  include_dirs = [
     "./includes",
-    "./includes/event_loop"
+    "./includes/event_loop",
   ]
 }
 
-ft_shared_library("hal_base") {
+ft_shared_library("ft_event_loop") {
   sources = [
     "./src/current_thread.cpp",
-    "./src/timestamp.cpp",
     "./src/event_loop/event_channel.cpp",
     "./src/event_loop/event_loop.cpp",
     "./src/event_loop/event_loop_thread.cpp",
     "./src/event_loop/event_poller.cpp",
     "./src/event_loop/timer.cpp",
     "./src/event_loop/timer_queue.cpp",
+    "./src/timestamp.cpp",
   ]
 
   public_configs = [ ":hal_base_public_config" ]
 
   public_deps = [
-    "//build/gn/configs/system_libs:hilog",
     "//build/gn/configs/system_libs:c_utils",
+    "//build/gn/configs/system_libs:hilog",
   ]
-}
\ No newline at end of file
+}
diff --git a/display_server/drivers/hal/base/includes/current_thread.h b/display_server/drivers/hal/base/includes/current_thread.h
index 95ba86a7c4e2633dbe6c4655768fb8ac302fe538..9626ef8e92928524d9cbdfe675983fd98c78160c 100644
--- a/display_server/drivers/hal/base/includes/current_thread.h
+++ b/display_server/drivers/hal/base/includes/current_thread.h
@@ -17,7 +17,7 @@
 
 #include "types.h"
 
-namespace oewm {
+namespace FT {
 namespace CurrentThread {
 // Thread Local Storage
 struct TLS {
@@ -53,4 +53,4 @@ inline const char *Name()
 const char *TidString();
 const char *PidString();
 } // namespace CurrentThread
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/includes/event_loop/event_channel.h b/display_server/drivers/hal/base/includes/event_loop/event_channel.h
index 363d1437971e6bcb8bd4367ddc904ecbbbdae5e9..622f5160c72e8237b14c03574b307590cfeac7ca 100644
--- a/display_server/drivers/hal/base/includes/event_loop/event_channel.h
+++ b/display_server/drivers/hal/base/includes/event_loop/event_channel.h
@@ -24,7 +24,7 @@
 #include "noncopyable_hal.h"
 #include "timestamp.h"
 
-namespace oewm {
+namespace FT {
 using EventCallback = std::function<void()>;
 using ReadCallback = std::function<void(TimeStamp)>;
 
@@ -144,4 +144,4 @@ protected:
     std::weak_ptr<void> ownerObj_;
     std::atomic<bool> tied_{false};
 };
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/includes/event_loop/event_loop.h b/display_server/drivers/hal/base/includes/event_loop/event_loop.h
index 4f01029c3cbecee8a59fbb0cb5fadfc5bcccc8f0..bb03b20ddae783436a998d0f386a5922775d5af9 100644
--- a/display_server/drivers/hal/base/includes/event_loop/event_loop.h
+++ b/display_server/drivers/hal/base/includes/event_loop/event_loop.h
@@ -21,7 +21,7 @@
 #include "event_poller.h"
 #include "timer_queue.h"
 
-namespace oewm {
+namespace FT {
 using Functor = std::function<void()>;
 
 namespace detail {
@@ -114,4 +114,4 @@ private:
 
     std::unique_ptr<TimerQueue> timerQueue_;
 };
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/includes/event_loop/event_loop_thread.h b/display_server/drivers/hal/base/includes/event_loop/event_loop_thread.h
index 6121b0d1b169873038f119a03cd308eb778dd2c4..89d3e8ac586ae107bd9388ac5ec016b76566b28b 100644
--- a/display_server/drivers/hal/base/includes/event_loop/event_loop_thread.h
+++ b/display_server/drivers/hal/base/includes/event_loop/event_loop_thread.h
@@ -21,7 +21,7 @@
 
 #include "event_loop.h"
 
-namespace oewm {
+namespace FT {
 class EventLoopThread : NonCopyable {
 public:
     EventLoopThread();
@@ -43,4 +43,4 @@ private:
     std::thread thread_;
     EventLoop *loop_ = nullptr;
 };
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/includes/event_loop/event_poller.h b/display_server/drivers/hal/base/includes/event_loop/event_poller.h
index 6342ffbb0be577f1c9483d1f983b6d82c5ebc7fa..3ac2e4cf31013232b355034592a264ea73763243 100644
--- a/display_server/drivers/hal/base/includes/event_loop/event_poller.h
+++ b/display_server/drivers/hal/base/includes/event_loop/event_poller.h
@@ -21,7 +21,7 @@
 #include "unique_fd.h"
 #include "event_channel.h"
 
-namespace oewm {
+namespace FT {
 class EventLoop;
 
 class EventPoller : NonCopyable {
@@ -43,4 +43,4 @@ private:
     std::vector<epoll_event> activeEvents_; // to receive events from epoll_wait.
     std::unordered_map<int, EventChannel *> channels_;
 };
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/includes/event_loop/timer.h b/display_server/drivers/hal/base/includes/event_loop/timer.h
index 564c7c7a41b98946f6cb51dbf43d6021de37207d..56934d34db01e11d97403002c250e95ab375c174 100644
--- a/display_server/drivers/hal/base/includes/event_loop/timer.h
+++ b/display_server/drivers/hal/base/includes/event_loop/timer.h
@@ -20,7 +20,7 @@
 #include "noncopyable_hal.h"
 #include "timestamp.h"
 
-namespace oewm {
+namespace FT {
 class Timer;
 
 // NonCopyable
@@ -87,12 +87,12 @@ private:
     bool repeat_ = false;
     TimerId id_;
 };
-} // namespace oewm
+} // namespace FT
 
 namespace std {
 template <>
-struct hash<typename oewm::TimerId> {
-    std::size_t operator()(oewm::TimerId timerId) const
+struct hash<typename FT::TimerId> {
+    std::size_t operator()(FT::TimerId timerId) const
     {
         return static_cast<std::size_t>(timerId.id ^ reinterpret_cast<uintptr_t>(timerId.timer));
     }
diff --git a/display_server/drivers/hal/base/includes/event_loop/timer_queue.h b/display_server/drivers/hal/base/includes/event_loop/timer_queue.h
index bc64de5c88c75c846253211ddd9cc007c9439519..43c95bc0a837f4a520b159da87d01814c9060ebf 100644
--- a/display_server/drivers/hal/base/includes/event_loop/timer_queue.h
+++ b/display_server/drivers/hal/base/includes/event_loop/timer_queue.h
@@ -23,7 +23,7 @@
 #include "event_channel.h"
 #include "timer.h"
 
-namespace oewm {
+namespace FT {
 class EventLoop;
 
 using TimerPtr = std::unique_ptr<Timer>;
@@ -64,4 +64,4 @@ private:
     TimerMap timers_;
     TimerEntrySet timerEntries_;
 };
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/includes/noncopyable_hal.h b/display_server/drivers/hal/base/includes/noncopyable_hal.h
index bce0c5ba669461edcefc712bed95cef16dc9d9da..06acc818f1b598f0be8b85a591706e516422efa7 100644
--- a/display_server/drivers/hal/base/includes/noncopyable_hal.h
+++ b/display_server/drivers/hal/base/includes/noncopyable_hal.h
@@ -15,7 +15,7 @@
 
 #pragma once
 
-namespace oewm {
+namespace FT {
 class NonCopyable {
 public:
     NonCopyable(const NonCopyable &other) = delete;
@@ -25,4 +25,4 @@ protected:
     NonCopyable() = default;
     ~NonCopyable() = default;
 };
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/includes/timestamp.h b/display_server/drivers/hal/base/includes/timestamp.h
index 1c533f841726a08f25095da13f7c5f8ae0b701c7..96904f8c8d220d8de5386c1df32691bf27c829ff 100644
--- a/display_server/drivers/hal/base/includes/timestamp.h
+++ b/display_server/drivers/hal/base/includes/timestamp.h
@@ -17,7 +17,7 @@
 
 #include "types.h"
 
-namespace oewm {
+namespace FT {
 constexpr int MILLI_SECS_PER_SECOND = 1000;
 constexpr int MICRO_SECS_PER_MILLISECOND = 1000;
 constexpr int MICRO_SECS_PER_SECOND = MICRO_SECS_PER_MILLISECOND * MILLI_SECS_PER_SECOND;
@@ -114,4 +114,4 @@ inline TimeStamp TimeAdd(TimeStamp t, TimeType micros)
 {
     return TimeStamp(t.Micros() + micros);
 }
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/includes/types.h b/display_server/drivers/hal/base/includes/types.h
index 6113bc608cbc7b05607217b6b7c21b4892500ff1..5361fa65ecd1c214a64fe98e1725320c2e8b09c6 100644
--- a/display_server/drivers/hal/base/includes/types.h
+++ b/display_server/drivers/hal/base/includes/types.h
@@ -37,7 +37,7 @@
 #define OE_UNLIKELY(x) (__builtin_expect(!!(x), 0))
 #endif
 
-namespace oewm {
+namespace FT {
 template <typename EnumType>
 inline constexpr typename std::underlying_type<EnumType>::type ECast(EnumType e)
 {
@@ -156,4 +156,4 @@ inline size_t HashCombine(const Args &...args)
     (HashCombineOne(hash, args), ...);
     return hash;
 }
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/src/current_thread.cpp b/display_server/drivers/hal/base/src/current_thread.cpp
index 6105fc4e0a154f41848eb6fac408245906ca4bcb..ab9cc5665678c2ee4ae2789cf4fad01dab258b9a 100644
--- a/display_server/drivers/hal/base/src/current_thread.cpp
+++ b/display_server/drivers/hal/base/src/current_thread.cpp
@@ -18,7 +18,7 @@
 #include <stdlib.h>
 #include <sys/syscall.h>
 
-namespace oewm {
+namespace FT {
 namespace detail {
 static ProcessId pid = 0;
 static char pidString[16];
@@ -76,4 +76,4 @@ const char *PidString()
     return detail::pidString;
 }
 } // namespace CurrentThread
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/src/event_loop/BUILD.gn b/display_server/drivers/hal/base/src/event_loop/BUILD.gn
index e58135b1df4996385d7482a0bafa8a75c9ad951a..07e404ef4626b55271a47cb425ef3c03819d0c5f 100644
--- a/display_server/drivers/hal/base/src/event_loop/BUILD.gn
+++ b/display_server/drivers/hal/base/src/event_loop/BUILD.gn
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022 Huawei Technologies Co., Ltd.
+# Copyright (c) 2023 Huawei Technologies Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -11,6 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 import("//build/gn/fangtian.gni")
 
 ft_shared_library("hal_event_loop") {
@@ -23,7 +24,5 @@ ft_shared_library("hal_event_loop") {
     "timer_queue.cpp",
   ]
   configs = [ "//display_server/drivers/hal:hal_public_config" ]
-  public_deps = [
-    "//display_server/drivers/hal/base:hal_base",
-  ]
+  public_deps = [ "//display_server/drivers/hal/base:ft_event_loop" ]
 }
diff --git a/display_server/drivers/hal/base/src/event_loop/event_channel.cpp b/display_server/drivers/hal/base/src/event_loop/event_channel.cpp
index f8486fe34a09aacedeefd51d3a9171ea6eff06db..461f20e34899f162752a82e04a77c7a91176ba1d 100644
--- a/display_server/drivers/hal/base/src/event_loop/event_channel.cpp
+++ b/display_server/drivers/hal/base/src/event_loop/event_channel.cpp
@@ -18,7 +18,7 @@
 #include "event_loop.h"
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 EventChannel::EventChannel(int fd, EventLoop *eventLoop) : fd_(fd), eventLoop_(eventLoop)
 {
     if (eventLoop_ == nullptr) {
@@ -145,4 +145,4 @@ void EventChannel::HandleEventInner(TimeStamp receivedTime)
         }
     }
 }
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/src/event_loop/event_loop.cpp b/display_server/drivers/hal/base/src/event_loop/event_loop.cpp
index e9b66c9158ccde5cb5e4025302c6f5619b81996a..c853f5ada34b7aa1c9c3c34c6e3f74ccc3387f37 100644
--- a/display_server/drivers/hal/base/src/event_loop/event_loop.cpp
+++ b/display_server/drivers/hal/base/src/event_loop/event_loop.cpp
@@ -21,7 +21,7 @@
 #include "current_thread.h"
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace detail {
 int CreateEventFdOrDie()
 {
@@ -204,4 +204,4 @@ EventLoop *EventLoop::EventLoopOfCurrThread()
 {
     return t_currLoop;
 }
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/src/event_loop/event_loop_thread.cpp b/display_server/drivers/hal/base/src/event_loop/event_loop_thread.cpp
index e52dfb27888676d0840f28b6f333bee1b927621b..dd1175c93492c2f8b5100caf5b06af886d1ebd47 100644
--- a/display_server/drivers/hal/base/src/event_loop/event_loop_thread.cpp
+++ b/display_server/drivers/hal/base/src/event_loop/event_loop_thread.cpp
@@ -17,7 +17,7 @@
 
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 EventLoopThread::EventLoopThread() : EventLoopThread("OEWMEventLoopThread") {}
 
 EventLoopThread::EventLoopThread(std::string name) : name_(std::move(name)) {}
@@ -64,4 +64,4 @@ void EventLoopThread::LoopThreadFunc()
         loop_ = nullptr;
     }
 }
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/src/event_loop/event_poller.cpp b/display_server/drivers/hal/base/src/event_loop/event_poller.cpp
index 5c055bc820b2522cd2a4b1feeeb9cdb6af817633..8d98c705aff9dd5eda8d1c76a38de06c81ff20a3 100644
--- a/display_server/drivers/hal/base/src/event_loop/event_poller.cpp
+++ b/display_server/drivers/hal/base/src/event_loop/event_poller.cpp
@@ -20,7 +20,7 @@
 
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace detail {
 std::string EpollOperationToString(int operation)
 {
@@ -93,7 +93,7 @@ void EventPoller::EpollCtl(EventChannel *channel, int operation)
     epollEvent.data.fd = fd;
     int ret = TEMP_FAILURE_RETRY(::epoll_ctl(epollFd_.Get(), operation, fd, &epollEvent));
     if (ret < 0) {
-        LOG_ERROR("%{public}s failed for EventPoller(fd: %{public}i): %{public}s.", 
+        LOG_ERROR("%{public}s failed for EventPoller(fd: %{public}i): %{public}s.",
             detail::EpollOperationToString(operation).c_str(), fd, ErrnoToString(errno).c_str());
     }
 }
@@ -134,4 +134,4 @@ void EventPoller::RemoveChannel(int fd)
     EpollCtl(channels_[fd], EPOLL_CTL_DEL);
     channels_.erase(fd);
 }
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/src/event_loop/timer.cpp b/display_server/drivers/hal/base/src/event_loop/timer.cpp
index 71d59aff97dc6e923a36be419b4fa3884ec12e59..9c28a49ec253807c6c24911e25967a4afd2734eb 100644
--- a/display_server/drivers/hal/base/src/event_loop/timer.cpp
+++ b/display_server/drivers/hal/base/src/event_loop/timer.cpp
@@ -17,7 +17,7 @@
 
 #include <atomic>
 
-namespace oewm {
+namespace FT {
 namespace detail {
 uint64_t GenSequenceId()
 {
@@ -46,4 +46,4 @@ void Timer::Restart(TimeStamp now)
     ASSERT(IsRepeat());
     expireTime_ = TimeAdd(now, interval_);
 }
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/src/event_loop/timer_queue.cpp b/display_server/drivers/hal/base/src/event_loop/timer_queue.cpp
index aaab9c850abb162080f5b3eb21fb525828e10487..b64c1b8d2b1b68075c437e9811d261864a7ed4a5 100644
--- a/display_server/drivers/hal/base/src/event_loop/timer_queue.cpp
+++ b/display_server/drivers/hal/base/src/event_loop/timer_queue.cpp
@@ -20,7 +20,7 @@
 #include "event_loop.h"
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace detail {
 int CreateTimerFd()
 {
@@ -181,4 +181,4 @@ void TimerQueue::TimerFdReset(TimeStamp expireTime)
         LOG_FATAL("TimerFd set time error: %{public}s", ErrnoToString(errno).c_str());
     }
 }
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/base/src/timestamp.cpp b/display_server/drivers/hal/base/src/timestamp.cpp
index 1104417e3f677fffd5dfb85be40a80f4c7d34d3c..113721839142cdc3a7fa719f6c0bd7616ff67707 100644
--- a/display_server/drivers/hal/base/src/timestamp.cpp
+++ b/display_server/drivers/hal/base/src/timestamp.cpp
@@ -19,7 +19,7 @@
 #include <iomanip>
 #include <sstream>
 
-namespace oewm {
+namespace FT {
 namespace detail {
 // Class std::chrono::steady_clock represents a monotonic clock. The time points of this clock cannot decrease as
 // physical time moves forward and the time between ticks of this clock is constant. This clock is not related to wall
@@ -106,4 +106,4 @@ std::string TimeStamp::ToFormattedString(TimePrecision precision) const noexcept
 
     return ss.str();
 }
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/BUILD.gn b/display_server/drivers/hal/drm_backend/display_device/BUILD.gn
index 44acd008ed796344e6925a1634842558f10fa603..136cadd0f9110c29b6f7f5502a956053f2e6607b 100644
--- a/display_server/drivers/hal/drm_backend/display_device/BUILD.gn
+++ b/display_server/drivers/hal/drm_backend/display_device/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2022 Huawei Technologies Co., Ltd.
+# Copyright (c) 2023 Huawei Technologies Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -10,6 +10,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 import("//build/gn/fangtian.gni")
 
 config("display_device_public_config") {
@@ -42,18 +43,16 @@ ft_shared_library("display_device") {
   ]
 
   configs = [ "//display_server/drivers/hal:hal_public_config" ]
-  public_configs = [ 
+  public_configs = [
     ":display_device_public_config",
-    "//display_server/drivers/hal/drm_backend:import_system_gbm_config"
+    "//display_server/drivers/hal/drm_backend:import_system_gbm_config",
   ]
 
-  public_deps = [ 
+  public_deps = [
+    "//display_server/drivers/hal/base:ft_event_loop",
     "//display_server/drivers/hal/drm_backend:display_drm_dep",
-    "//display_server/drivers/hal/base:hal_base",
     "//display_server/utils/sync_fence/ft_build:sync_fence",
   ]
 
-  deps = [
-    "//build/gn/configs/system_libs:ipc_core",
-  ]
+  deps = [ "//build/gn/configs/system_libs:ipc_core" ]
 }
diff --git a/display_server/drivers/hal/drm_backend/display_device/device_event_monitor.cpp b/display_server/drivers/hal/drm_backend/display_device/device_event_monitor.cpp
index 68037ab993945fde4d9d7ad796c07175bbaf63e9..c16df20305fe50f1afe89c5f3313c5e3f83971b5 100644
--- a/display_server/drivers/hal/drm_backend/display_device/device_event_monitor.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/device_event_monitor.cpp
@@ -19,7 +19,7 @@
 #include "hdi_display.h"
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 namespace detail {
@@ -183,7 +183,7 @@ void DeviceEventMonitor::RegisterVsyncEventHandler()
     } else {
 #endif // ENABLE_HARDWARE_VSYNC
         // use soft vsync.
-        softVsyncTimer_ = loop_->RunEvery([this]() { 
+        softVsyncTimer_ = loop_->RunEvery([this]() {
             TimeStamp timestamp(TimeDiff(TimeStamp::Now(), TimeStamp::SystemStartTime()));
             OnSoftVsyncEvent(timestamp);
         }, softVsyncPeriod_);
@@ -218,4 +218,4 @@ bool DeviceEventMonitor::Init()
 }
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/device_event_monitor.h b/display_server/drivers/hal/drm_backend/display_device/device_event_monitor.h
index 1da7a03c8e3ffb07c6dd35cb4def8473cda545eb..8c76fcf851030f9e8aac7a1c41d2d2379968efc2 100644
--- a/display_server/drivers/hal/drm_backend/display_device/device_event_monitor.h
+++ b/display_server/drivers/hal/drm_backend/display_device/device_event_monitor.h
@@ -20,7 +20,7 @@
 #include "event_loop/event_loop_thread.h"
 #include "udev_object_helper.h"
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 class DeviceEventMonitor : NonCopyable {
@@ -83,4 +83,4 @@ private:
 };
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_atomic_committer.cpp b/display_server/drivers/hal/drm_backend/display_device/drm_atomic_committer.cpp
index 0c8adf4d778ff6179508c7f3f1ec58b2b6b79eee..bcea384ff99ae044f204676d8b80457445c4e0c1 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_atomic_committer.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_atomic_committer.cpp
@@ -18,7 +18,7 @@
 #include "drm_display.h"
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 DrmAtomicCommitter::DrmAtomicCommitter(int drmFd, int flags, void *userData)
     : drmFd_(drmFd), req_(drmModeAtomicAlloc()), flags_(flags), userData_(userData)
@@ -51,4 +51,4 @@ void DrmAtomicCommitter::Commit()
     }
 }
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_atomic_committer.h b/display_server/drivers/hal/drm_backend/display_device/drm_atomic_committer.h
index a2c467e6352164ef4c2c9ef87c9665783b289330..16f215449d050eaa85ee5979a0c4013c37b7e089 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_atomic_committer.h
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_atomic_committer.h
@@ -17,7 +17,7 @@
 
 #include "drm_common.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 // RAII object for drm auto atomic committing.
 class DrmAtomicCommitter : NonCopyable {
@@ -38,4 +38,4 @@ private:
     void *userData_ = nullptr;
 };
 } // namespace drm
-} // namespace oewm
\ No newline at end of file
+} // namespace FT
\ No newline at end of file
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_common.h b/display_server/drivers/hal/drm_backend/display_device/drm_common.h
index 3638d6058aa115fde3ad348505786cee43c1d61a..7b63053c6ed27df1299bd2a37aa7981f66ff2770 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_common.h
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_common.h
@@ -23,7 +23,7 @@
 #include "noncopyable_hal.h"
 #include "types.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 constexpr uint32_t DRM_INVALID_OBJECT_ID = 0;
 constexpr uint32_t DRM_INVALID_OBJECT_TYPE = 0;
@@ -65,4 +65,4 @@ inline std::string ObjInfoDump(uint32_t objId, uint32_t objType)
     return "DrmObject [id: " + std::to_string(objId) + ", type: " + DrmObjTypeToString(objType) + "]";
 }
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_connector.cpp b/display_server/drivers/hal/drm_backend/display_device/drm_connector.cpp
index 7c7c593a26a6cc9ae3a94d557b44931c0774ba5b..5c169a34c66438e195dedee30f0b9a9efc9ff57a 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_connector.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_connector.cpp
@@ -20,7 +20,7 @@
 #include "log.h"
 #include "drm_property.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 DrmConnector::DrmConnector(int drmFd, uint32_t connectorId) : drmFd_(drmFd), id_(connectorId)
 {
@@ -226,4 +226,4 @@ bool DrmConnector::SetBrightness(uint64_t brightness)
     return true;
 }
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_connector.h b/display_server/drivers/hal/drm_backend/display_device/drm_connector.h
index d9a511b9bbe18946516bff2df961c88f933c6ebc..a611429c1e388a9de20e1845500a4ffd633b7391 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_connector.h
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_connector.h
@@ -23,7 +23,7 @@
 #include "drm_encoder.h"
 #include "drm_crtc.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 // prop for connector
 constexpr char PROP_CRTCID[] = "CRTC_ID";
@@ -150,4 +150,4 @@ private:
     uint32_t activeModeId_ = -1;
 };
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_crtc.cpp b/display_server/drivers/hal/drm_backend/display_device/drm_crtc.cpp
index b1099cd77ca6cced5f08de9fe0b4fe657e61076b..ed31bfb28ba864dd09411c068620fd89348875d4 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_crtc.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_crtc.cpp
@@ -19,7 +19,7 @@
 #include "log.h"
 #include "drm_property.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 DrmCrtc::DrmCrtc(int drmFd, uint32_t crtcId, uint32_t pipe) : drmFd_(drmFd), id_(crtcId), pipe_(pipe)
 {
@@ -67,4 +67,4 @@ void DrmCrtc::ParseFrom(drmModeCrtcPtr const &crtc)
     outFencePropId_ = crtcPropFetcher.GetPropId(PROP_OUTFENCE);
 }
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_crtc.h b/display_server/drivers/hal/drm_backend/display_device/drm_crtc.h
index 82c76348294ce317d7bbb521692cbcea9d315917..ed0a8f59499a53d8fc0fd4b52ea02aed9655ef8c 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_crtc.h
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_crtc.h
@@ -20,7 +20,7 @@
 #include "drm_property.h"
 #include "hdi_display.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 // prop for crtc
 constexpr char PROP_MODEID[] = "MODE_ID";
@@ -78,4 +78,4 @@ private:
     uint32_t pipe_ = 0;
 };
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_device.cpp b/display_server/drivers/hal/drm_backend/display_device/drm_device.cpp
index 327b6e6d3b985693f4f536ddc72ba381cbf2d6a3..b75fc55d8e3ea36a48cc4a7503f101d9e4c2f8cb 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_device.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_device.cpp
@@ -21,7 +21,7 @@
 #include "drm_display.h"
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 std::shared_ptr<DrmDevice> DrmDevice::Create(std::string devicePath)
 {
@@ -103,14 +103,14 @@ bool DrmDevice::InitKmsCaps()
 
     ret = drmSetClientCap(fd_, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
     if (ret) {
-        LOG_ERROR("%{public}s DRM KMS doesn't support universal planes! error: %{public}s", 
+        LOG_ERROR("%{public}s DRM KMS doesn't support universal planes! error: %{public}s",
             devicePath_.c_str(), ErrnoToString(errno).c_str());
         return false;
     }
 
     ret = drmGetCap(fd_, DRM_CAP_DUMB_BUFFER, &cap);
     if (ret != 0 || cap == 0) {
-        LOG_ERROR("%{public}s DRM KMS doesn't support dumb buffers! error: %{public}s", 
+        LOG_ERROR("%{public}s DRM KMS doesn't support dumb buffers! error: %{public}s",
             devicePath_.c_str(), ErrnoToString(errno).c_str());
     }
     supportDumbBuffer_ = (cap != 0);
@@ -241,14 +241,14 @@ void DrmDevice::DiscoveryDisplays()
     for (int i = 0; i != drmResource_->count_connectors; ++i) {
         auto connectorId = drmResource_->connectors[i];
         if (connectors_.count(connectorId) == 0) {
-            LOG_ERROR("DrmDevice::DiscoveryDisplays: unexpected error: can not find connector for conId %{public}" PRIu32 ".", 
+            LOG_ERROR("DrmDevice::DiscoveryDisplays: unexpected error: can not find connector for conId %{public}" PRIu32 ".",
                       connectorId);
             continue;
         }
 
         const auto &connector = connectors_.at(connectorId);
         if (!connector->Connected()) {
-            LOG_INFO("DrmDevice::DiscoveryDisplays: ignore unused connector %{public}" PRIu32 ".", 
+            LOG_INFO("DrmDevice::DiscoveryDisplays: ignore unused connector %{public}" PRIu32 ".",
                 connectorId);
             continue;
         }
@@ -262,4 +262,4 @@ void DrmDevice::DiscoveryDisplays()
     }
 }
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_device.h b/display_server/drivers/hal/drm_backend/display_device/drm_device.h
index bb1365d67f8e8b3dc13c45edc0a92a2d817ca81e..e3ac8b2db4eaab53edafaae642f22cfe6dbeda7a 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_device.h
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_device.h
@@ -29,7 +29,7 @@
 #include "drm_encoder.h"
 #include "drm_plane.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 class DrmDevice : private NonCopyable {
 public:
@@ -153,4 +153,4 @@ private:
     IdMapPtr<HdiDisplay> displays_; // guarded by mutex_;
 };
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_display.cpp b/display_server/drivers/hal/drm_backend/display_device/drm_display.cpp
index 1f8be31328285540cb0ebd4d3ef4ceca585de6ed..51e9d597682dd16fb4605fbdb1b714efccbcaaef 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_display.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_display.cpp
@@ -21,7 +21,7 @@
 
 #include "hdi_session.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 DrmDisplay::DrmDisplay(
     int drmFd,
@@ -197,7 +197,7 @@ bool DrmDisplay::IsConnected()
 
 void DrmDisplay::InitReservedFb()
 {
-    const auto &displayDevice = oewm::HDI::DISPLAY::HdiSession::GetInstance().GetDisplayDevice();
+    const auto &displayDevice = FT::HDI::DISPLAY::HdiSession::GetInstance().GetDisplayDevice();
     ASSERT(displayDevice != nullptr);
 
     auto modeId = connector_->GetActiveModeId();
@@ -234,7 +234,7 @@ int32_t DrmDisplay::RegDisplayVBlankCallback(VBlankCallback cb, void *data)
             return DISPLAY_FAILURE;
         }
 
-        const auto &displayDevice = oewm::HDI::DISPLAY::HdiSession::GetInstance().GetDisplayDevice();
+        const auto &displayDevice = FT::HDI::DISPLAY::HdiSession::GetInstance().GetDisplayDevice();
         ASSERT(displayDevice != nullptr);
 
         int fenceFd = INVALID_FD;
@@ -360,7 +360,7 @@ int32_t DrmDisplay::SetDisplayClientBuffer(const BufferHandle *buffer, int32_t f
 int32_t DrmDisplay::PrepareDisplayLayers(bool *needFlushFb)
 {
     changeLayers_.clear();
-    std::vector<oewm::HDI::DISPLAY::HdiLayer *> layers;
+    std::vector<FT::HDI::DISPLAY::HdiLayer *> layers;
     for (auto &[layerId, layer] : layers_) {
         UNUSED(layerId);
         layers.push_back(layer.get());
@@ -368,7 +368,7 @@ int32_t DrmDisplay::PrepareDisplayLayers(bool *needFlushFb)
     sort(
         layers.begin(),
         layers.end(),
-        [](const oewm::HDI::DISPLAY::HdiLayer *lhs, const oewm::HDI::DISPLAY::HdiLayer *rhs) {
+        [](const FT::HDI::DISPLAY::HdiLayer *lhs, const FT::HDI::DISPLAY::HdiLayer *rhs) {
             return lhs->GetZOrder() < rhs->GetZOrder();
         }); // sort by Zorder
     for (auto &layer : layers) {
@@ -404,7 +404,7 @@ int32_t DrmDisplay::GetDisplayCompChange(uint32_t *num, uint32_t *layers, int32_
         if (layers != nullptr && type != nullptr) {
             *(layers + i) = changeLayers_[i]->GetId();
             *(type + i) = changeLayers_[i]->GetCompositionType();
-            LOG_DEBUG("DrmDisplay::GetDisplayCompChange layerId %{public}u, fencefd %{public}i", 
+            LOG_DEBUG("DrmDisplay::GetDisplayCompChange layerId %{public}u, fencefd %{public}i",
                 changeLayers_[i]->GetId(), changeLayers_[i]->GetCompositionType());
         }
     }
@@ -432,7 +432,7 @@ void DrmDisplay::CommitAtomic(int32_t *fence, const DrmFrameBuffer *fb, int comm
         "Plain CRTC W: %{public}u, "
         "Plain CRTC H: %{public}u, "
         "Commit flag: %{public}d.",
-        connector_->Id(), crtc_->Id(), connector_->BlobId(), (uint64_t)fence, 
+        connector_->Id(), crtc_->Id(), connector_->BlobId(), (uint64_t)fence,
         primaryPlane_->Id(), fbId, width << 16, height << 16, width, height, commitFlag);
 
     DrmAtomicCommitter atomicAutoCommitter(drmFd_, commitFlag, this);
@@ -503,7 +503,7 @@ int32_t DrmDisplay::Commit(int32_t *fence)
         fb = reservedFb_.get();
     }
 
-    if (oewm::HDI::DISPLAY::HdiSession::GetInstance().GetDisplayDevice()->SupportAtomicModeSet()) {
+    if (FT::HDI::DISPLAY::HdiSession::GetInstance().GetDisplayDevice()->SupportAtomicModeSet()) {
         CommitAtomic(fence, fb, commitFlag_);
     } else {
         // legacy
@@ -513,4 +513,4 @@ int32_t DrmDisplay::Commit(int32_t *fence)
     return DISPLAY_SUCCESS;
 }
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_display.h b/display_server/drivers/hal/drm_backend/display_device/drm_display.h
index 40ac4ece644ecae260939d3010a620714b8cf780..9005d2ab992a0680a957a2516f3b783a943a07c4 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_display.h
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_display.h
@@ -24,7 +24,7 @@
 #include "drm_plane.h"
 #include "hdi_display.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 class DrmDisplay : public HdiDisplay {
 public:
@@ -103,4 +103,4 @@ private:
 #endif // ENABLE_HARDWARE_VSYNC
 };
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_encoder.cpp b/display_server/drivers/hal/drm_backend/display_device/drm_encoder.cpp
index a051af7653c2940068bc409b3190b1818ba3df9c..4a2f3051cd960b6b991822514ff630d85f3d44ac 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_encoder.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_encoder.cpp
@@ -20,7 +20,7 @@
 
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 DrmEncoder::DrmEncoder(int drmFd, uint32_t encoderId) : drmFd_(drmFd), id_(encoderId)
 {
@@ -70,4 +70,4 @@ void DrmEncoder::ParseFrom(drmModeEncoderPtr const &encoder)
     possibleCrtcs_ = encoder->possible_crtcs;
 }
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_encoder.h b/display_server/drivers/hal/drm_backend/display_device/drm_encoder.h
index 2671b84793ed284e9536236cb475a9136d07aee3..eb841d8181095ce6ed37612b52e280759f8ade49 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_encoder.h
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_encoder.h
@@ -19,7 +19,7 @@
 #include "drm_common.h"
 #include "drm_crtc.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 class DrmEncoder : NonCopyable {
 public:
@@ -36,4 +36,4 @@ private:
     uint32_t possibleCrtcs_ = DRM_INVALID_OBJECT_ID;
 };
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_frame_buffer.cpp b/display_server/drivers/hal/drm_backend/display_device/drm_frame_buffer.cpp
index 8244fd80b83a7ac36906ee4b6e3a75645cfe8e52..946305ce3eda2741edd3139d7b92d018b53c061c 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_frame_buffer.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_frame_buffer.cpp
@@ -20,7 +20,7 @@
 
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 namespace detail {
 // add fbId to fbInfo
@@ -190,7 +190,7 @@ DrmFrameBuffer::DrmFrameBuffer(int drmFd, const FrameBufferInfo &fbInfo, uint32_
     : drmFd_(drmFd), info_(fbInfo), isCreateFromBufferHandle_(false), fbHandle_(fbHandle)
 {}
 
-DrmFrameBuffer::DrmFrameBuffer(int drmFd, const FrameBufferInfo &fbInfo) 
+DrmFrameBuffer::DrmFrameBuffer(int drmFd, const FrameBufferInfo &fbInfo)
     : drmFd_(drmFd), info_(fbInfo), isCreateFromBufferHandle_(true)
 {}
 
@@ -237,4 +237,4 @@ void DrmFrameBuffer::Cleanup(uint32_t color)
     }
 }
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_frame_buffer.h b/display_server/drivers/hal/drm_backend/display_device/drm_frame_buffer.h
index 0c2c166584ea93e1a0a0dd8b913f0f2612a4bb15..637f3f7c74e5181ae44cf0c6cea80d4bcf698f02 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_frame_buffer.h
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_frame_buffer.h
@@ -21,7 +21,7 @@
 #include "display_type.h"
 #include "drm_common.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 struct FrameBufferInfo {
     uint32_t fbId = DRM_INVALID_OBJECT_ID;
@@ -70,4 +70,4 @@ private:
     uint32_t fbHandle_ = DRM_INVALID_OBJECT_ID;
 };
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_layer.cpp b/display_server/drivers/hal/drm_backend/display_device/drm_layer.cpp
index 4229b9b5e3da68dafcc9b2fa82da646dfe09d842..ea80378488ec0b55410d67d18fbca26e9223f413 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_layer.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_layer.cpp
@@ -17,7 +17,7 @@
 
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 DrmFrameBuffer *DrmLayer::GetFrameBuffer(int drmFd)
 {
@@ -44,4 +44,4 @@ DrmFrameBuffer *DrmLayer::GetFrameBuffer(int drmFd)
     return currentFrameBuffer_.get();
 }
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_layer.h b/display_server/drivers/hal/drm_backend/display_device/drm_layer.h
index 9a91cdc6871b02834df85d15de01212767ffd7ac..30731e1f81bc3efb9fc704029d96cf68f23e7f59 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_layer.h
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_layer.h
@@ -20,7 +20,7 @@
 #include "drm_frame_buffer.h"
 #include "hdi_layer.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 class DrmLayer : public HdiLayer {
 public:
@@ -34,4 +34,4 @@ private:
     std::unique_ptr<DrmFrameBuffer> currentFrameBuffer_;
 };
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_mode_info.cpp b/display_server/drivers/hal/drm_backend/display_device/drm_mode_info.cpp
index 72bbc1a84f500af0ea5f53a54fe73c97a7853cee..296ab3e343f99f9991e95bf6095a978aa8941ef5 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_mode_info.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_mode_info.cpp
@@ -17,7 +17,7 @@
 
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 DrmModeInfo::DrmModeInfo(const drmModeModeInfo &modeInfo, int id, int drmFd)
     : modeInfo_(modeInfo), id_(id), drmFd_(drmFd)
@@ -48,4 +48,4 @@ DisplayModeInfo DrmModeInfo::ToHdiModeInfo() const
     return res;
 }
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_mode_info.h b/display_server/drivers/hal/drm_backend/display_device/drm_mode_info.h
index 055aadb315ed5d3309d217e9ff0da8b8cc1b5b83..7352dd8d040865b2c2ed14fc0e4e7dfac82c99f9 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_mode_info.h
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_mode_info.h
@@ -20,7 +20,7 @@
 #include "display_type.h"
 #include "drm_common.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 // typedef struct _drmModeModeInfo {
 // 	uint32_t clock;
@@ -60,4 +60,4 @@ private:
     uint32_t blobId_ = DRM_INVALID_OBJECT_ID;
 };
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_plane.cpp b/display_server/drivers/hal/drm_backend/display_device/drm_plane.cpp
index 0c64842c11af80934de7f0ec0014e78bed48538a..9453e27ad96d592a3188aa572a0ac2d7df08d482 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_plane.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_plane.cpp
@@ -18,7 +18,7 @@
 #include "drm_mode.h"
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 DrmPlane::DrmPlane(int drmFd, uint32_t planeId) : drmFd_(drmFd), id_(planeId)
 {
@@ -51,4 +51,4 @@ void DrmPlane::ParseFrom(drmModePlanePtr const &plane)
     possibleCrtcs_ = plane->possible_crtcs;
 }
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_plane.h b/display_server/drivers/hal/drm_backend/display_device/drm_plane.h
index 49a258123c8409885748f66a82c9595554e392d0..f7466d8677cd48cc253fb0053822e7d258531feb 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_plane.h
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_plane.h
@@ -19,7 +19,7 @@
 #include "drm_common.h"
 #include "drm_property.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 // prop for plane
 constexpr char PROP_FBID[] = "FB_ID";
@@ -128,4 +128,4 @@ private:
     uint32_t possibleCrtcs_ = 0;
 };
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_property.cpp b/display_server/drivers/hal/drm_backend/display_device/drm_property.cpp
index 541f65e1cd27f71dc6bfe5beab58bbfd3a1c7881..a4d2885b5f7e8a5d6d4b4dc69bf8b4e03e76703c 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_property.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_property.cpp
@@ -17,7 +17,7 @@
 
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 DrmProperty::DrmProperty(int drmFd, uint32_t propId, uint64_t propValue)
     : prop_(::drmModeGetProperty(drmFd, propId)), propId_(propId), value_(propValue)
@@ -107,4 +107,4 @@ uint64_t DrmObjectPropertyFetcher::GetPropValue(const std::string &name) const
     return propsMap_.at(name)->Value();
 }
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/drm_property.h b/display_server/drivers/hal/drm_backend/display_device/drm_property.h
index 1a351f0ae69bd3abb4eccd2d1244fcf0f729a064..92b49683274acd4d891b40abec65d4412ca91bfc 100644
--- a/display_server/drivers/hal/drm_backend/display_device/drm_property.h
+++ b/display_server/drivers/hal/drm_backend/display_device/drm_property.h
@@ -21,7 +21,7 @@
 
 #include "drm_common.h"
 
-namespace oewm {
+namespace FT {
 namespace drm {
 enum class DrmPropertyType {
     DRM_PROPERTY_TYPE_RANGE,
@@ -132,4 +132,4 @@ private:
     std::unordered_map<std::string, std::unique_ptr<DrmProperty>> propsMap_;
 };
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/hdi_display.cpp b/display_server/drivers/hal/drm_backend/display_device/hdi_display.cpp
index 05904a7c12105768bce669c9d15cfdf947ba8d24..68735fdfe6f9580db440e7be722b3c8fcb097d98 100644
--- a/display_server/drivers/hal/drm_backend/display_device/hdi_display.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/hdi_display.cpp
@@ -17,7 +17,7 @@
 
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 HdiDisplay::HdiDisplay() {}
@@ -92,4 +92,4 @@ HdiLayer *HdiDisplay::GetHdiLayer(LayerId id)
 }
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/hdi_display.h b/display_server/drivers/hal/drm_backend/display_device/hdi_display.h
index d59293d18795b37805aff11360299d70b863d43b..a1e6b26edc283af7dbb14164abbba8df1853277c 100644
--- a/display_server/drivers/hal/drm_backend/display_device/hdi_display.h
+++ b/display_server/drivers/hal/drm_backend/display_device/hdi_display.h
@@ -21,7 +21,7 @@
 #include "display_device.h"
 #include "hdi_layer.h"
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 using DisplayId = uint32_t;
@@ -95,4 +95,4 @@ protected:
 } // namespace HDI
 using HdiDisplayId = HDI::DISPLAY::DisplayId;
 using HdiDisplay = HDI::DISPLAY::HdiDisplay;
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/hdi_layer.cpp b/display_server/drivers/hal/drm_backend/display_device/hdi_layer.cpp
index 18adad65300748471d2f1a461e6fa04c78a9c566..cfec79e4f3b07b1ac73bc0fd7eaaf9431e5037d3 100644
--- a/display_server/drivers/hal/drm_backend/display_device/hdi_layer.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/hdi_layer.cpp
@@ -22,7 +22,7 @@
 #include "log.h"
 #include "types.h"
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 HdiLayerBuffer::HdiLayerBuffer(const BufferHandle &handle)
@@ -38,7 +38,7 @@ HdiLayerBuffer::HdiLayerBuffer(const BufferHandle &handle)
     if (!IsInvalidFd(handle.fd)) {
         fd_ = OHOS::UniqueFd(::dup(handle.fd));
         if (fd_ < 0) {
-            LOG_ERROR("Failed to dup from fd: %{public}i, err: %{public}s, errno: %{public}i", 
+            LOG_ERROR("Failed to dup from fd: %{public}i, err: %{public}s, errno: %{public}i",
                 handle.fd, ErrnoToString(errno).c_str(), errno);
         }
     }
@@ -177,7 +177,7 @@ void HdiLayer::SetPixel(const BufferHandle &handle, int x, int y, uint32_t color
     }
 
     if (x < 0 || x >= handle.width || y < 0 || y >= handle.height) {
-        LOG_ERROR("HdiLayer::SetPixel: invalid parameter: x: %{public}d, bufWidth: %{public}d, y: %{public}d, bufHeight: %{public}d", 
+        LOG_ERROR("HdiLayer::SetPixel: invalid parameter: x: %{public}d, bufWidth: %{public}d, y: %{public}d, bufHeight: %{public}d",
             x, handle.width, y, handle.height);
         return;
     }
@@ -211,4 +211,4 @@ void HdiLayer::WaitAcquireFence()
 }
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/hdi_layer.h b/display_server/drivers/hal/drm_backend/display_device/hdi_layer.h
index 30ac6993068ec64e4663383edff819a6b6304bb4..36f96f33c2add10e24794e57bb1e95d9278cec22 100644
--- a/display_server/drivers/hal/drm_backend/display_device/hdi_layer.h
+++ b/display_server/drivers/hal/drm_backend/display_device/hdi_layer.h
@@ -22,7 +22,7 @@
 #include "display_type.h"
 #include "noncopyable_hal.h"
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 const uint32_t INVALID_VALUE = ~0x0;
@@ -220,4 +220,4 @@ using HdiLayerId = HDI::DISPLAY::LayerId;
 using HdiLayer = HDI::DISPLAY::HdiLayer;
 using HdiLayerBuffer = HDI::DISPLAY::HdiLayerBuffer;
 } // namespace drm
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/hdi_session.cpp b/display_server/drivers/hal/drm_backend/display_device/hdi_session.cpp
index 0545acaef1ba35dc37948ebead968b45958e187b..b391a7788f3bec5517e3e628a50f4043147a9eca 100644
--- a/display_server/drivers/hal/drm_backend/display_device/hdi_session.cpp
+++ b/display_server/drivers/hal/drm_backend/display_device/hdi_session.cpp
@@ -19,7 +19,7 @@
 
 #include "display_layer.h"
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 namespace detail {
@@ -151,9 +151,9 @@ void HdiSession::OnHotPlugEvent(TimeStamp timeStamp, struct udev_device *event)
 #endif // USE_LIBUDEV
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
 
-using namespace oewm::HDI::DISPLAY;
+using namespace FT::HDI::DISPLAY;
 static int32_t RegHotPlugCallback(HotPlugCallback callback, void *data)
 {
     HdiSession::GetInstance().RegHotPlugCallback(callback, data);
@@ -508,7 +508,7 @@ int32_t DeviceInitialize(DeviceFuncs **funcs)
 
     auto deviceFuncs = (DeviceFuncs *)calloc(1, sizeof(DeviceFuncs));
     if (deviceFuncs == nullptr) {
-        LOG_ERROR("DeviceInitialize: deviceFuncs alloc failed, err: %{public}s", oewm::ErrnoToString(errno).c_str());
+        LOG_ERROR("DeviceInitialize: deviceFuncs alloc failed, err: %{public}s", FT::ErrnoToString(errno).c_str());
         return DISPLAY_FAILURE;
     }
 
@@ -572,7 +572,7 @@ int32_t LayerInitialize(LayerFuncs **funcs)
 
     LayerFuncs *layerFuncs = (LayerFuncs *)calloc(1, sizeof(LayerFuncs));
     if (layerFuncs == nullptr) {
-        LOG_ERROR("LayerInitialize: layerFuncs alloc failed, err: %{public}s", oewm::ErrnoToString(errno).c_str());
+        LOG_ERROR("LayerInitialize: layerFuncs alloc failed, err: %{public}s", FT::ErrnoToString(errno).c_str());
         return DISPLAY_FAILURE;
     }
 
diff --git a/display_server/drivers/hal/drm_backend/display_device/hdi_session.h b/display_server/drivers/hal/drm_backend/display_device/hdi_session.h
index ef5bf7d7e3626175882d327966a7f33ae9d4fc7e..a717fa6dd4cddc294f5ceac1fcd238bb001a1a15 100644
--- a/display_server/drivers/hal/drm_backend/display_device/hdi_session.h
+++ b/display_server/drivers/hal/drm_backend/display_device/hdi_session.h
@@ -25,7 +25,7 @@
 #include "udev_object_helper.h"
 #endif // USE_LIBUDEV
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 // singleton
@@ -77,7 +77,7 @@ public:
         auto &display = displays.at(devId);
         auto layer = display->GetHdiLayer(layerId);
         if (layer == nullptr) {
-            LOG_ERROR("HdiSession::CallLayerFunction: can not find layer(id: %{public}" PRIu32 ") for display %{public}" PRIu32, 
+            LOG_ERROR("HdiSession::CallLayerFunction: can not find layer(id: %{public}" PRIu32 ") for display %{public}" PRIu32,
                 layerId, devId);
             return DISPLAY_FAILURE;
         }
@@ -103,4 +103,4 @@ private:
 };
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_device/udev_object_helper.h b/display_server/drivers/hal/drm_backend/display_device/udev_object_helper.h
index 7e388c0ccf8d5659c6ae5e2f5c48494e21460ab8..82c504f200c0738b0d7a351cbfef85629e3d9054 100644
--- a/display_server/drivers/hal/drm_backend/display_device/udev_object_helper.h
+++ b/display_server/drivers/hal/drm_backend/display_device/udev_object_helper.h
@@ -22,7 +22,7 @@
 
 #include "types.h"
 
-namespace oewm {
+namespace FT {
 static constexpr char defaultSeat[] = "seat0";
 
 // RAII for udev objects to do auto unref.
@@ -74,4 +74,4 @@ inline bool IsBootVGADevice(struct udev_device *device)
 
     return strcmp(bootVGAId, "1") == 0;
 }
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/BUILD.gn b/display_server/drivers/hal/drm_backend/display_gralloc/BUILD.gn
index 3dd8760fc93e74c22d6b0d66b56f28baa5be2ac2..eb6310f7d90caa53d91cfa24b7d042b405cdc5ff 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/BUILD.gn
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2022 Huawei Technologies Co., Ltd.
+# Copyright (c) 2023 Huawei Technologies Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -10,6 +10,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 import("//build/gn/fangtian.gni")
 
 config("display_gralloc_public_config") {
@@ -35,18 +36,16 @@ ft_shared_library("display_gralloc") {
     "shm_allocator.cpp",
   ]
 
-  configs = [
-    "//display_server/drivers/hal:hal_public_config"
-  ]
-  
-  public_configs = [ 
+  configs = [ "//display_server/drivers/hal:hal_public_config" ]
+
+  public_configs = [
     ":display_gralloc_public_config",
-    "//display_server/drivers/hal/drm_backend:import_system_gbm_config"
+    "//display_server/drivers/hal/drm_backend:import_system_gbm_config",
   ]
-  
-  public_deps = [ 
+
+  public_deps = [
+    "//display_server/drivers/hal/base:ft_event_loop",
     "//display_server/drivers/hal/drm_backend:display_drm_dep",
-    "//display_server/drivers/hal/base:hal_base",
     "//display_server/drivers/hal/drm_backend/display_device:display_device",
   ]
 }
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/allocator.cpp b/display_server/drivers/hal/drm_backend/display_gralloc/allocator.cpp
index 399faadc77aeccacc172e0c302c1ba05003fd692..e1b7aa8014b383a5a1930834eaeb6439507b82e4 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/allocator.cpp
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/allocator.cpp
@@ -15,8 +15,8 @@
 
 #include "allocator.h"
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {} // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/allocator.h b/display_server/drivers/hal/drm_backend/display_gralloc/allocator.h
index b566893b4033ad3a623eada125f86438067f7f23..c7f7bc4b8da7d547f7583cdb1af088b47594b625 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/allocator.h
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/allocator.h
@@ -19,7 +19,7 @@
 
 #include <cstdint>
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 
@@ -80,4 +80,4 @@ public:
 
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/allocator_controller.cpp b/display_server/drivers/hal/drm_backend/display_gralloc/allocator_controller.cpp
index 3e8d1e1f1be73d47268cb64d74b104a04fd1b80e..aeb5b5179923c52a94033cd4b12d6640cc2ff44c 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/allocator_controller.cpp
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/allocator_controller.cpp
@@ -21,7 +21,7 @@
 #include "display_type.h"
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 
@@ -87,4 +87,4 @@ std::shared_ptr<Allocator> AllocatorController::GetAllocator(uint64_t usage)
 
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
\ No newline at end of file
+} // namespace FT
\ No newline at end of file
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/allocator_controller.h b/display_server/drivers/hal/drm_backend/display_gralloc/allocator_controller.h
index db129d5d852367bdb61db6fb0cd7bff5172e48dc..7f96e55ebe55926bc64bab979bce5923be8e0f2a 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/allocator_controller.h
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/allocator_controller.h
@@ -20,7 +20,7 @@
 #include <cstdint>
 #include <memory>
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 
@@ -71,4 +71,4 @@ private:
 
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/display_gralloc.cpp b/display_server/drivers/hal/drm_backend/display_gralloc/display_gralloc.cpp
index e2b6e76264601fab09051bec952f03d75a05867a..7ff429bf6bd9c734e33ebefccebe74d04ff5e23f 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/display_gralloc.cpp
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/display_gralloc.cpp
@@ -31,7 +31,7 @@
 #include "display_type.h"
 #include "log.h"
 
-using namespace oewm::HDI::DISPLAY;
+using namespace FT::HDI::DISPLAY;
 
 int32_t AllocMem(const AllocInfo *info, BufferHandle **handle)
 {
@@ -100,7 +100,7 @@ int32_t Unmap(BufferHandle *handle)
     if (allocator == nullptr) {
         return DISPLAY_NULL_PTR;
     }
-        
+
     return allocator->InvalidateCache(*handle);
 }
 
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/display_gralloc_utils.cpp b/display_server/drivers/hal/drm_backend/display_gralloc/display_gralloc_utils.cpp
index 8ed65775b5a4e52fc97df77eb1a50aad9b4ef8c4..f7a6d1ef72e595f21f59375303b651226ce07064 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/display_gralloc_utils.cpp
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/display_gralloc_utils.cpp
@@ -24,7 +24,7 @@
 namespace GrallocUtils {
 int GetDrmFdFromSession()
 {
-    const auto &session = oewm::HDI::DISPLAY::HdiSession::GetInstance();
+    const auto &session = FT::HDI::DISPLAY::HdiSession::GetInstance();
     const auto &device = session.GetDisplayDevice();
     if (device == nullptr) {
         LOG_ERROR("[Gralloc] Get empty DRM device from HdiSession.");
@@ -98,7 +98,7 @@ int ReopenDrmFd(int drmFd, bool enableRenderNode /*= true*/)
         return -1;
     }
 
-    LOG_INFO("[Gralloc::GbmUtils::ReopenDrmFd] Reopen new device '%{public}s'(%{public}d) from DRM fd(%{public}d).", 
+    LOG_INFO("[Gralloc::GbmUtils::ReopenDrmFd] Reopen new device '%{public}s'(%{public}d) from DRM fd(%{public}d).",
         deviceName, newFd, drmFd);
 
     /* Clear */
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/dumb_allocator.cpp b/display_server/drivers/hal/drm_backend/display_gralloc/dumb_allocator.cpp
index 75226d8e64c963d2a4036a6f3c78a6ad7c06bbbb..51f6d91440c797d12c69f215a92f3b620b68852f 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/dumb_allocator.cpp
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/dumb_allocator.cpp
@@ -32,7 +32,7 @@
 #include "hdi_session.h"
 #include "log.h"
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 
@@ -261,8 +261,8 @@ int32_t DumbAllocator::DestroyGemDumbHandle(unsigned int handle)
 
 bool DumbAllocator::GetSupportGbmModifyFromSession()
 {
-    auto &session = oewm::HDI::DISPLAY::HdiSession::GetInstance();
-    const std::shared_ptr<oewm::drm::DrmDevice> device = session.GetDisplayDevice();
+    auto &session = FT::HDI::DISPLAY::HdiSession::GetInstance();
+    const std::shared_ptr<FT::drm::DrmDevice> device = session.GetDisplayDevice();
     if (device == nullptr) {
         LOG_ERROR("[Gralloc::DumbAllocator::DestroyGemDumbHandle] Get empty DRM device from HdiSession.");
         return false;
@@ -271,4 +271,4 @@ bool DumbAllocator::GetSupportGbmModifyFromSession()
 }
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/dumb_allocator.h b/display_server/drivers/hal/drm_backend/display_gralloc/dumb_allocator.h
index 1444a2595699ac07f6aa87c1bca69bee68be124d..de537f3eddfdb6b57efc9392a25f0da04eb3e313 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/dumb_allocator.h
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/dumb_allocator.h
@@ -19,7 +19,7 @@
 
 #include <mutex>
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 
@@ -48,4 +48,4 @@ private:
 
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/gbm_allocator.cpp b/display_server/drivers/hal/drm_backend/display_gralloc/gbm_allocator.cpp
index 0bd1779b6886e7efd2e45c910e9eead3157c5bef..2ac7bb84caa3e88d1bd85b003a54b3122f24a3f4 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/gbm_allocator.cpp
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/gbm_allocator.cpp
@@ -25,7 +25,7 @@
 #include <drm.h>
 #include <xf86drm.h>
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 GbmAllocator::~GbmAllocator() noexcept
@@ -56,7 +56,7 @@ int32_t GbmAllocator::Init()
         return DISPLAY_FAILURE;
     }
 
-    LOG_INFO("[Gralloc::GbmAllocator::Init] Created GBM device with backend: %{public}s", 
+    LOG_INFO("[Gralloc::GbmAllocator::Init] Created GBM device with backend: %{public}s",
         gbm_device_get_backend_name(gbmContext_));
     char *drmName = drmGetDeviceNameFromFd2(drmFd);
     LOG_INFO("[Gralloc::GbmAllocator::Init] Using DRM node: %{public}s", drmName);
@@ -218,7 +218,7 @@ int32_t GbmAllocator::Unmap(BufferHandle &buffer)
 
     gbm_bo_unmap(gbmBo, buffer.virAddr);
     buffer.virAddr = nullptr;
-    
+
     LOG_DEBUG("[Gralloc::GbmAllocator::Unmap] Unmap done.");
 
     return DISPLAY_SUCCESS;
@@ -334,4 +334,4 @@ int32_t GbmAllocator::AllocMemWithUsage(const AllocInfo &info, BufferHandle **bu
 }
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/gbm_allocator.h b/display_server/drivers/hal/drm_backend/display_gralloc/gbm_allocator.h
index 2d470d4a6c0d01613ed3b5d39422f90d6035b6d8..afdbcc447a1ed79fb63d573ff77f2ce7fa980ba2 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/gbm_allocator.h
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/gbm_allocator.h
@@ -21,7 +21,7 @@
 #include <unordered_map>
 #include <gbm.h>
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 
@@ -54,4 +54,4 @@ private:
 };
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/hi_drm_format.cpp b/display_server/drivers/hal/drm_backend/display_gralloc/hi_drm_format.cpp
index 78ab398a35ef9483d050d194048fb9221dd786c7..2db4da78b17492d72bcbcc18f905e9166c78d7cb 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/hi_drm_format.cpp
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/hi_drm_format.cpp
@@ -183,9 +183,9 @@ uint32_t ConvertPixelFormatToDrmFormat(PixelFormat fmtIn)
     }
     // LOG_DEBUG << "Convert pixelFormat(" << fmtIn << " : " << GetHdiPixelFmtStr(fmtIn) << ") to DrmFormat(" << fmtOut
     //           << " : " << GetDrmFmtStr(fmtOut) << ")";
-    // LOG_DEBUG << oewm::Fmt(
+    // LOG_DEBUG << FT::Fmt(
     //     "Convert PixelFormat(%u:%s) to DrmFormat(%u:%s)",
-    //     oewm::ECast(fmtIn),
+    //     FT::ECast(fmtIn),
     //     GetHdiPixelFmtStr(fmtIn),
     //     fmtOut,
     //     GetDrmFmtStr(fmtOut));
@@ -201,11 +201,11 @@ PixelFormat ConvertDrmFormatToPixelFormat(uint32_t fmtIn)
             break;
         }
     }
-    // LOG_DEBUG << oewm::Fmt(
+    // LOG_DEBUG << FT::Fmt(
     //     "Convert DrmFormat(%u:%s) to PixelFormat(%u:%s)",
     //     fmtIn,
     //     GetDrmFmtStr(fmtIn),
-    //     oewm::ECast(fmtOut),
+    //     FT::ECast(fmtOut),
     //     GetHdiPixelFmtStr(fmtOut));
     return fmtOut;
 }
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/shm_allocator.cpp b/display_server/drivers/hal/drm_backend/display_gralloc/shm_allocator.cpp
index f370f1b2d45437ad1ae1bb2bea8d71d578ff21a4..ad96f4b9c2f9df1045a503ca335d21b88f3ccb12 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/shm_allocator.cpp
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/shm_allocator.cpp
@@ -24,7 +24,7 @@
 #include <cinttypes>
 #include <sys/mman.h> // for shm_xxx
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 
@@ -213,4 +213,4 @@ int ShmAllocator::AllocateShmFile(size_t size)
 
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/drm_backend/display_gralloc/shm_allocator.h b/display_server/drivers/hal/drm_backend/display_gralloc/shm_allocator.h
index a0654f6ff230490ced798098de41efb11c6db822..24c60838df1b01756567fd5445a9990f3f226642 100644
--- a/display_server/drivers/hal/drm_backend/display_gralloc/shm_allocator.h
+++ b/display_server/drivers/hal/drm_backend/display_gralloc/shm_allocator.h
@@ -19,7 +19,7 @@
 
 #include <mutex>
 
-namespace oewm {
+namespace FT {
 namespace HDI {
 namespace DISPLAY {
 
@@ -46,4 +46,4 @@ private:
 
 } // namespace DISPLAY
 } // namespace HDI
-} // namespace oewm
+} // namespace FT
diff --git a/display_server/drivers/hal/test/BUILD.gn b/display_server/drivers/hal/test/BUILD.gn
index 4c23998b58bc2c29d55c540babbb602bedab512e..bdfdb9b5346897539c7f180ac398b19da5843c1e 100644
--- a/display_server/drivers/hal/test/BUILD.gn
+++ b/display_server/drivers/hal/test/BUILD.gn
@@ -16,40 +16,33 @@ import("//build/gn/fangtian.gni")
 ft_executable("drm_backend_test") {
   testonly = true
 
-  sources = [
-    "system_test/main.cpp"
-  ]
+  sources = [ "system_test/main.cpp" ]
 
   deps = [
+    "//build/gn/configs/system_libs:ipc_core",
+    "//display_server/drivers/hal/base:ft_event_loop",
     "//display_server/drivers/hal/drm_backend:drm_backend",
-    "//display_server/drivers/hal/base:hal_base",
     "//display_server/utils/sync_fence/ft_build:sync_fence",
-
-    "//build/gn/configs/system_libs:ipc_core",
   ]
 
-  configs = [
-    "//display_server/drivers/hal:hal_public_config"
-  ]
+  configs = [ "//display_server/drivers/hal:hal_public_config" ]
 }
 
 ft_executable("gpu_backend_test") {
-    testonly = true
-
-    sources = [
-        "system_test/gpu_backend_test.cpp"
-    ]
-
-    deps = [
-        "//display_server/drivers/hal/drm_backend:drm_backend",
-        "//display_server/drivers/hal/base:hal_base",
-        "//display_server/utils/sync_fence/ft_build:sync_fence",
-        "//build/gn/configs/system_libs:ipc_core",
-    ]
-
-    configs = [
-        "//display_server/drivers/hal:hal_public_config"
-    ]
-    libs = [ "EGL", "GLESv2" ]
-}
+  testonly = true
+
+  sources = [ "system_test/gpu_backend_test.cpp" ]
 
+  deps = [
+    "//build/gn/configs/system_libs:ipc_core",
+    "//display_server/drivers/hal/base:ft_event_loop",
+    "//display_server/drivers/hal/drm_backend:drm_backend",
+    "//display_server/utils/sync_fence/ft_build:sync_fence",
+  ]
+
+  configs = [ "//display_server/drivers/hal:hal_public_config" ]
+  libs = [
+    "EGL",
+    "GLESv2",
+  ]
+}
diff --git a/display_server/drivers/hal/test/system_test/gpu_backend_test.cpp b/display_server/drivers/hal/test/system_test/gpu_backend_test.cpp
index fda1756f797e00f5b583e4e03f24604bdde81a02..06834c1f9ae5e226b84fe54cecdfe06823587aed 100644
--- a/display_server/drivers/hal/test/system_test/gpu_backend_test.cpp
+++ b/display_server/drivers/hal/test/system_test/gpu_backend_test.cpp
@@ -26,9 +26,9 @@
 #include <gbm.h>
 #include <GLES2/gl2.h>
 
-oewm::HDI::DISPLAY::HdiSession& g_session = oewm::HDI::DISPLAY::HdiSession::GetInstance();
-oewm::HDI::DISPLAY::AllocatorController& g_alloc_controller = oewm::HDI::DISPLAY::AllocatorController::GetInstance();
-oewm::EventLoop g_mainLoop = oewm::EventLoop();
+FT::HDI::DISPLAY::HdiSession& g_session = FT::HDI::DISPLAY::HdiSession::GetInstance();
+FT::HDI::DISPLAY::AllocatorController& g_alloc_controller = FT::HDI::DISPLAY::AllocatorController::GetInstance();
+FT::EventLoop g_mainLoop = FT::EventLoop();
 
 bool DestoryBufferHandle(BufferHandle **handle);
 
@@ -58,7 +58,7 @@ static struct gbm_device *gbm_device;
 static EGLContext context;
 static struct gbm_surface *gbm_surface;
 static EGLSurface egl_surface;
-static BufferHandle tmpBufferHandle; 
+static BufferHandle tmpBufferHandle;
 
 EGLConfig GetEGLConfig()
 {
@@ -110,8 +110,8 @@ struct gbm_bo* SwapBuffer(BufferHandle *handle)
     }
 	//获取前端缓冲区的句柄
 	handle->key = gbm_bo_get_handle(bo).u32;
-    handle->stride = gbm_bo_get_stride(bo); 
-    handle->size = handle->stride * handle->height; 
+    handle->stride = gbm_bo_get_stride(bo);
+    handle->size = handle->stride * handle->height;
     handle->format = gbm_bo_get_format(bo);
     return bo;
 }
@@ -138,9 +138,9 @@ bool InitEGL(uint32_t devId, BufferHandle **handle)
     uint32_t num = 0;
 
     int32_t ret = g_session.CallDisplayFunction(
-        devId, 
-        &oewm::HDI::DISPLAY::HdiDisplay::GetDisplaySupportedModes, 
-        &num, 
+        devId,
+        &FT::HDI::DISPLAY::HdiDisplay::GetDisplaySupportedModes,
+        &num,
         (DisplayModeInfo*)nullptr
     );
     if (ret != DISPLAY_SUCCESS) {
@@ -155,9 +155,9 @@ bool InitEGL(uint32_t devId, BufferHandle **handle)
 
     displayModeInfos.resize(num);
     ret = g_session.CallDisplayFunction(
-        devId, 
-        &oewm::HDI::DISPLAY::HdiDisplay::GetDisplaySupportedModes, 
-        &num, 
+        devId,
+        &FT::HDI::DISPLAY::HdiDisplay::GetDisplaySupportedModes,
+        &num,
         displayModeInfos.data()
     );
     if (ret != DISPLAY_SUCCESS) {
@@ -171,8 +171,8 @@ bool InitEGL(uint32_t devId, BufferHandle **handle)
     uint32_t width = displayModeInfos[DEFAULT_MODE_INDEX].width;
     uint32_t height = displayModeInfos[DEFAULT_MODE_INDEX].height;
     ret = g_session.CallDisplayFunction(
-        devId, 
-        &oewm::HDI::DISPLAY::HdiDisplay::SetDisplayMode,
+        devId,
+        &FT::HDI::DISPLAY::HdiDisplay::SetDisplayMode,
         DEFAULT_MODE_INDEX);
     if (ret != DISPLAY_SUCCESS) {
         printf("Draw: Failed to set display mode, ret=%d\n", ret);
@@ -181,7 +181,7 @@ bool InitEGL(uint32_t devId, BufferHandle **handle)
     printf("CreateBuffer: choose display mode 0 to create fb: width=%d, height=%d.\n", width, height);
 
     gbm_device = g_session.GetDisplayDevice()->GetGbmDevice();
-	defaultDisplay = eglGetDisplay(gbm_device); 
+	defaultDisplay = eglGetDisplay(gbm_device);
 	int major, minor;
 	eglInitialize(defaultDisplay, &major, &minor);
 	printf("EGL version:%d.%d\n", major, minor);
@@ -244,7 +244,7 @@ void Screen::OnVsync(uint32_t sequence, uint64_t timestamp, void *data)
         printf("OnVSync: screen is null\n");
         return;
     }
-    
+
     // Do draw in main loop
     g_mainLoop.RunInLoop([screen, sequence, timestamp]() {
         uint32_t devId = screen->devId;
@@ -274,19 +274,19 @@ void Screen::OnVsync(uint32_t sequence, uint64_t timestamp, void *data)
 
         // Set fb as screen's current buffer
         ret = g_session.CallDisplayFunction(
-            devId, 
-            &oewm::HDI::DISPLAY::HdiDisplay::SetDisplayClientBuffer, 
-            static_cast<const BufferHandle*>(screen->fb[0]->handle), 
+            devId,
+            &FT::HDI::DISPLAY::HdiDisplay::SetDisplayClientBuffer,
+            static_cast<const BufferHandle*>(screen->fb[0]->handle),
             fenceFd);
         if (ret != DISPLAY_SUCCESS) {
             printf("Draw: Failed to set display client buffer, ret=%d\n", ret);
             return;
         }
-        
+
         // Commit
         ret = g_session.CallDisplayFunction(
-            devId, 
-            &oewm::HDI::DISPLAY::HdiDisplay::Commit,
+            devId,
+            &FT::HDI::DISPLAY::HdiDisplay::Commit,
             &fenceFd);
         if (fenceFd >= 0) {
             auto fence = OHOS::SyncFence(fenceFd);
@@ -310,8 +310,8 @@ static void OnHotPlug(uint32_t devId, bool connected, void *data)
 
     // Register VSync callback
     int32_t ret = g_session.CallDisplayFunction(
-        devId, 
-        &oewm::HDI::DISPLAY::HdiDisplay::RegDisplayVBlankCallback, 
+        devId,
+        &FT::HDI::DISPLAY::HdiDisplay::RegDisplayVBlankCallback,
         Screen::OnVsync,
         static_cast<void *>(g_screens.at(devId))
     );
diff --git a/display_server/drivers/hal/test/system_test/main.cpp b/display_server/drivers/hal/test/system_test/main.cpp
index 5dd0cea7334cf3a4420ed1e95f868f751e547dfd..72c5a35d8541994f3ea93bb5de0849a5ed86a6fb 100644
--- a/display_server/drivers/hal/test/system_test/main.cpp
+++ b/display_server/drivers/hal/test/system_test/main.cpp
@@ -22,9 +22,9 @@
 #include "sync_fence.h"
 #include "allocator_controller.h"
 
-oewm::HDI::DISPLAY::HdiSession& g_session = oewm::HDI::DISPLAY::HdiSession::GetInstance();
-oewm::HDI::DISPLAY::AllocatorController& g_alloc_controller = oewm::HDI::DISPLAY::AllocatorController::GetInstance();
-oewm::EventLoop g_mainLoop = oewm::EventLoop();
+FT::HDI::DISPLAY::HdiSession& g_session = FT::HDI::DISPLAY::HdiSession::GetInstance();
+FT::HDI::DISPLAY::AllocatorController& g_alloc_controller = FT::HDI::DISPLAY::AllocatorController::GetInstance();
+FT::EventLoop g_mainLoop = FT::EventLoop();
 
 bool DestoryBufferHandle(BufferHandle **handle);
 
@@ -61,9 +61,9 @@ bool CreateBuffer(uint32_t devId, BufferHandle **handle)
     uint32_t num = 0;
 
     int32_t ret = g_session.CallDisplayFunction(
-        devId, 
-        &oewm::HDI::DISPLAY::HdiDisplay::GetDisplaySupportedModes, 
-        &num, 
+        devId,
+        &FT::HDI::DISPLAY::HdiDisplay::GetDisplaySupportedModes,
+        &num,
         (DisplayModeInfo*)nullptr
     );
     if (ret != DISPLAY_SUCCESS) {
@@ -78,9 +78,9 @@ bool CreateBuffer(uint32_t devId, BufferHandle **handle)
 
     displayModeInfos.resize(num);
     ret = g_session.CallDisplayFunction(
-        devId, 
-        &oewm::HDI::DISPLAY::HdiDisplay::GetDisplaySupportedModes, 
-        &num, 
+        devId,
+        &FT::HDI::DISPLAY::HdiDisplay::GetDisplaySupportedModes,
+        &num,
         displayModeInfos.data()
     );
     if (ret != DISPLAY_SUCCESS) {
@@ -94,8 +94,8 @@ bool CreateBuffer(uint32_t devId, BufferHandle **handle)
     uint32_t width = displayModeInfos[DEFAULT_MODE_INDEX].width;
     uint32_t height = displayModeInfos[DEFAULT_MODE_INDEX].height;
     ret = g_session.CallDisplayFunction(
-        devId, 
-        &oewm::HDI::DISPLAY::HdiDisplay::SetDisplayMode,
+        devId,
+        &FT::HDI::DISPLAY::HdiDisplay::SetDisplayMode,
         DEFAULT_MODE_INDEX);
     if (ret != DISPLAY_SUCCESS) {
         printf("Draw: Failed to set display mode, ret=%d\n", ret);
@@ -109,12 +109,12 @@ bool CreateBuffer(uint32_t devId, BufferHandle **handle)
         .height = height,
         .usage = HBM_USE_MEM_DMA | HBM_USE_CPU_READ | HBM_USE_MEM_FB | HBM_USE_CPU_WRITE, // allocate dumb buffer with "HBM_USE_CPU_WRITE"
         .format = PIXEL_FMT_BGRA_8888}; // TODO: format
-    auto allocator = g_alloc_controller.GetAllocator(info.usage); 
+    auto allocator = g_alloc_controller.GetAllocator(info.usage);
     if (allocator == nullptr) {
         printf("CreateBuffer: Failed to get buffer allocator.\n");
         return false;
     }
-    
+
     // Do allocate memory
     ret = allocator->AllocMem(info, handle);
     if (*handle == nullptr || ret != DISPLAY_SUCCESS) {
@@ -128,7 +128,7 @@ bool CreateBuffer(uint32_t devId, BufferHandle **handle)
         printf("CreateBuffer: Failed to mmap fb.\n");
         return false;
     }
-    
+
     printf("CreateBuffer: end. handle fd: %i.\n", (*handle)->fd);
     return true;
 }
@@ -193,12 +193,12 @@ void Screen::OnVsync(uint32_t sequence, uint64_t timestamp, void *data)
         printf("OnVSync: screen is null\n");
         return;
     }
-    
+
     // Print first frames
     static int i = 0;
     if (i < 3) {
         printf("OnVSync: screen devId=%d, sequence=%u, timestamp=%lu\n", screen->devId, sequence, timestamp);
-        LOG_DEBUG("DRM Backend Test: OnVSync: screen devId=%{public}d, sequence=%{public}u, timestamp=%{public}lu", 
+        LOG_DEBUG("DRM Backend Test: OnVSync: screen devId=%{public}d, sequence=%{public}u, timestamp=%{public}lu",
             screen->devId, sequence, timestamp);
         ++i;
     }
@@ -228,9 +228,9 @@ void Screen::OnVsync(uint32_t sequence, uint64_t timestamp, void *data)
 
             // // Set fb as screen's current buffer
             // ret = g_session.CallDisplayFunction(
-            //     devId, 
-            //     &oewm::HDI::DISPLAY::HdiDisplay::SetDisplayClientBuffer, 
-            //     static_cast<const BufferHandle*>(screen->fb[screen->fbIdx]->handle), 
+            //     devId,
+            //     &FT::HDI::DISPLAY::HdiDisplay::SetDisplayClientBuffer,
+            //     static_cast<const BufferHandle*>(screen->fb[screen->fbIdx]->handle),
             //     fenceFd);
             // if (ret != DISPLAY_SUCCESS) {
             //     printf("Draw: Failed to set display client buffer, ret=%d\n", ret);
@@ -247,26 +247,26 @@ void Screen::OnVsync(uint32_t sequence, uint64_t timestamp, void *data)
 
         // Set fb as screen's current buffer
         ret = g_session.CallDisplayFunction(
-            devId, 
-            &oewm::HDI::DISPLAY::HdiDisplay::SetDisplayClientBuffer, 
-            static_cast<const BufferHandle*>(screen->fb[screen->fbIdx]->handle), 
+            devId,
+            &FT::HDI::DISPLAY::HdiDisplay::SetDisplayClientBuffer,
+            static_cast<const BufferHandle*>(screen->fb[screen->fbIdx]->handle),
             fenceFd);
         if (ret != DISPLAY_SUCCESS) {
             printf("Draw: Failed to set display client buffer, ret=%d\n", ret);
             return;
         }
-        
+
         // Commit
         ret = g_session.CallDisplayFunction(
-            devId, 
-            &oewm::HDI::DISPLAY::HdiDisplay::Commit,
+            devId,
+            &FT::HDI::DISPLAY::HdiDisplay::Commit,
             &fenceFd);
         if (fenceFd >= 0) {
             auto fence = OHOS::SyncFence(fenceFd);
         } else {
             auto fence = OHOS::SyncFence(-1);
         }
-        
+
         screen->fbIdx ^= 1;
     });
 }
@@ -284,9 +284,9 @@ static void OnHotPlug(uint32_t devId, bool connected, void *data)
 
     // Register VSync callback
     int32_t ret = g_session.CallDisplayFunction(
-        devId, 
-        &oewm::HDI::DISPLAY::HdiDisplay::RegDisplayVBlankCallback, 
-        Screen::OnVsync, 
+        devId,
+        &FT::HDI::DISPLAY::HdiDisplay::RegDisplayVBlankCallback,
+        Screen::OnVsync,
         static_cast<void *>(g_screens.at(devId))
     );
     if (ret != DISPLAY_SUCCESS) {