diff --git a/flandre/BusClient.py b/flandre/BusClient.py
index 40cb1ca..fcd150b 100644
--- a/flandre/BusClient.py
+++ b/flandre/BusClient.py
@@ -1,7 +1,7 @@
 import zmq
 from zmq import Context
 
-from flandre.utils.Msg import Msg
+from flandre.utils.Msg import Msg, InterruptMsg
 
 
 class BusClient:
@@ -14,7 +14,8 @@ class BusClient:
                  pub=True,
                  sub=True,
                  conflare=False,
-                 poller=False
+                 poller=False,
+                 req_socket_str: str = None,
                  ):
         if ctx is None:
             self.ctx: Context = zmq.Context()
@@ -35,6 +36,13 @@ class BusClient:
         if pub:
             self.pub = self.ctx.socket(zmq.PUB)
             self.pub.connect(f'tcp://127.0.0.1:{self.fp}')
+        self.req_socket = None
+        if req_socket_str is not None:
+            self.req_socket_str = req_socket_str
+            self.poller.register(self.req_socket, zmq.POLLIN)
+            self.req_socket = self.ctx.socket(zmq.REQ)
+            self.req_socket.connect(req_socket_str)
+            # todo fix poller
 
     def recv(self):
         b = self.sub.recv()
@@ -49,3 +57,18 @@ class BusClient:
 
     async def send_async(self, msg: Msg):
         return self.pub.send(msg.encode_msg())
+
+    def req_interrupt(self, b: bytes, interrupt_name: str, timeout=3000):
+        while True:
+            self.req_socket.send(b)
+            r = dict(self.poller.poll(timeout))
+            if self.req_socket in r:
+                return self.req_socket.recv()
+            self.req_socket.close()
+            self.req_socket = self.ctx.socket(zmq.REQ)
+            self.req_socket.connect(self.req_socket_str)
+            if self.sub in r:
+                msg = self.recv()
+                if isinstance(msg, InterruptMsg):
+                    if msg.value == interrupt_name:
+                        return None
diff --git a/flandre/nodes/MainUI.py b/flandre/nodes/MainUI.py
index a964df7..b010aa4 100644
--- a/flandre/nodes/MainUI.py
+++ b/flandre/nodes/MainUI.py
@@ -94,7 +94,6 @@ class Adv(QMainWindow, Ui_MainWindow):
         # self.b_play_live.clicked.connect(self.on_play_live)
         # self.b_play_playback.clicked.connect(self.on_play_playback)
 
-        self.b_record.clicked.connect(self.on_record)
         self.record = False
         self.device_connected = False
         self.device_enabled = False
@@ -178,7 +177,7 @@ class Adv(QMainWindow, Ui_MainWindow):
                                                              "Set New Imaging Config Name",
                                                              "Config Name:",
                                                              QLineEdit.EchoMode.Normal,
-                                                             "")
+                                                             self.c_imaging_config.currentText())
         if okPressed and filename != '':
             (C.imaging_config_folder / f'{filename}.json').write_text(self.arg.json())
             idx = self.c_imaging_config.findText(filename)
@@ -324,15 +323,16 @@ class Adv(QMainWindow, Ui_MainWindow):
                 pass
             self.b_device_connection.clicked.connect(self.on_device_connect)
 
-    def on_record(self):
+    @pyqtSlot()
+    def on_b_record_clicked(self):
         if self.record:
             self.l_record_commit.setEnabled(True)
             self.p.send(SetRecordMsg(False))
             self.record = False
             self.b_record.setStyleSheet('')
         else:
-            self.l_record_commit.setEnabled(False)
             if self.l_record_commit.text() != '':
+                self.l_record_commit.setEnabled(False)
                 self.record_size_cnt = 0
                 self.record_frame_cnt = 0
                 self.p.send(SetRecordMsg(True, self.l_record_commit.text(), self.l_base.text()))
diff --git a/flandre/nodes/Node.py b/flandre/nodes/Node.py
index a57c057..55d3c2d 100644
--- a/flandre/nodes/Node.py
+++ b/flandre/nodes/Node.py
@@ -13,12 +13,13 @@ class Node:
     bp = BusClient.bp
     topics = []
 
-    def __init__(self, enable_init=True, level=logging.INFO, conflare=False, broker=False):
+    def __init__(self, enable_init=True, level=logging.INFO, conflare=False, broker=False, req=False):
         self.enable_init = enable_init
         self.isalive = True
         self.level = level
         self.conflare = conflare
         self.broker = broker
+        self.req = req
 
     def recv(self):
         return self.c.recv()
@@ -55,7 +56,8 @@ class Node:
 
         self.context = zmq.Context()
         if self.enable_init:
-            self.c = BusClient(*([KillMsg, Msg1] + self.topics), poller=True, conflare=self.conflare)
+            self.c = BusClient(*([KillMsg, Msg1] + self.topics),
+                               poller=True, conflare=self.conflare, req_socket_str=self.req)
 
     def __call__(self, *args, **kwargs):
         self.setup()
diff --git a/flandre/pyqt/Main.py b/flandre/pyqt/Main.py
index 692f3e8..d18fc6a 100644
--- a/flandre/pyqt/Main.py
+++ b/flandre/pyqt/Main.py
@@ -29,7 +29,7 @@ class Ui_MainWindow(object):
         self.s_beta = QtWidgets.QSlider(parent=self.centralwidget)
         self.s_beta.setMinimum(1)
         self.s_beta.setMaximum(60)
-        self.s_beta.setProperty("value", 10)
+        self.s_beta.setProperty("value", 30)
         self.s_beta.setOrientation(QtCore.Qt.Orientation.Horizontal)
         self.s_beta.setObjectName("s_beta")
         self.gridLayout_5.addWidget(self.s_beta, 9, 1, 1, 1)
@@ -177,11 +177,9 @@ class Ui_MainWindow(object):
         self.label_17.setObjectName("label_17")
         self.horizontalLayout_12.addWidget(self.label_17)
         self.l_record_commit = QtWidgets.QLineEdit(parent=self.g_live)
-        self.l_record_commit.setEnabled(False)
         self.l_record_commit.setObjectName("l_record_commit")
         self.horizontalLayout_12.addWidget(self.l_record_commit)
         self.b_record = QtWidgets.QPushButton(parent=self.g_live)
-        self.b_record.setEnabled(False)
         self.b_record.setObjectName("b_record")
         self.horizontalLayout_12.addWidget(self.b_record)
         self.verticalLayout_6.addLayout(self.horizontalLayout_12)
diff --git a/flandre/pyqt/Main.ui b/flandre/pyqt/Main.ui
index 9b9c8cc..9d53f82 100644
--- a/flandre/pyqt/Main.ui
+++ b/flandre/pyqt/Main.ui
@@ -40,7 +40,7 @@
          <number>60</number>
         </property>
         <property name="value">
-         <number>10</number>
+         <number>30</number>
         </property>
         <property name="orientation">
          <enum>Qt::Orientation::Horizontal</enum>
@@ -341,17 +341,10 @@
              </widget>
             </item>
             <item>
-             <widget class="QLineEdit" name="l_record_commit">
-              <property name="enabled">
-               <bool>false</bool>
-              </property>
-             </widget>
+             <widget class="QLineEdit" name="l_record_commit"/>
             </item>
             <item>
              <widget class="QPushButton" name="b_record">
-              <property name="enabled">
-               <bool>false</bool>
-              </property>
               <property name="text">
                <string>Record</string>
               </property>
diff --git a/flandre/utils/Msg.py b/flandre/utils/Msg.py
index 387d515..2d25954 100644
--- a/flandre/utils/Msg.py
+++ b/flandre/utils/Msg.py
@@ -21,6 +21,7 @@ class BG(Enum):
     StrMsg = auto()
     IntMsg = auto()
     MaxMsg = auto()
+    InterruptMsg = auto()
     MoveAxisMsg = auto()
     ImageArgMsg = auto()
     SetSeqMetaMsg = auto()
@@ -155,6 +156,9 @@ class IntMsg(Msg):
 class KeyPressMsg(StrMsg):
     pass
 
+@dataclasses.dataclass
+class InterruptMsg(StrMsg):
+    pass
 
 @dataclasses.dataclass
 class BoolMsg(Msg):
diff --git a/flandre/utils/RfFile.py b/flandre/utils/RfFile.py
deleted file mode 100644
index 5201643..0000000
--- a/flandre/utils/RfFile.py
+++ /dev/null
@@ -1,118 +0,0 @@
-# import json
-# import zipfile
-# from pathlib import Path
-#
-# import cupy as cp
-# import numpy as np
-#
-# from flandre.utils.RfMeta import RfFrameMeta, RfSequenceMeta
-#
-#
-# class RfFrame:
-#     def __init__(self, data: bytes | Path, meta: RfFrameMeta, seq: 'RfSequence' = None):
-#         self.data = data
-#         self.meta = meta
-#         self._seq = seq
-#         self.is_zip = False
-#         if isinstance(self.data, Path):
-#             if self.data.parent.suffix == '.zip':
-#                 self.is_zip = True
-#
-#     def save(self, folder: Path):
-#         (folder / self.meta.name).write_bytes(self.bytes)
-#
-#     @property
-#     def seq(self):
-#         if self._seq is None and isinstance(self.data, Path):
-#             return RfSequence.from_folder(self.data.parent)
-#         return self._seq
-#
-#     @property
-#     def bytes(self):
-#         if self.is_zip:
-#             return self.data.__str__().encode()
-#         if isinstance(self.data, bytes):
-#             return self.data
-#         if isinstance(self.data, Path):
-#             return self.data.read_bytes()
-#
-#     def mat(self, device='gpu'):
-#         from flandre.utils.RfMat import RfMat
-#
-#         if device == 'gpu':
-#             arr = cp.frombuffer(self.bytes, dtype=cp.int16)
-#         else:
-#             arr = np.frombuffer(self.bytes, dtype=np.int16)
-#         return RfMat(arr.reshape(self.seq.meta.shape), frame_meta=self.meta, seq_meta=self.seq.meta)
-#
-#
-# class RfSequence:
-#     def __init__(self, frames: list[RfFrame], meta: RfSequenceMeta):
-#         self.frames = frames
-#         self.meta = meta
-#
-#     @classmethod
-#     def from_folder(cls, folder: Path | str) -> 'RfSequence':
-#         folder = Path(folder)
-#         if not folder.exists():
-#             raise FileNotFoundError
-#         meta = RfSequenceMeta.from_path(folder)
-#         rs = RfSequence([], meta)
-#         for f in folder.glob('*.bin'):
-#             rs.frames.append(RfFrame(f, RfFrameMeta.from_path(f), seq=rs))
-#         return rs
-#
-#     @classmethod
-#     def from_zip(cls, z: Path | str) -> 'RfSequence':
-#         z = Path(z)
-#         if not z.exists():
-#             raise FileNotFoundError
-#         meta = RfSequenceMeta.from_name(z.stem)
-#         rs = RfSequence([], meta)
-#         zz = zipfile.ZipFile(z)
-#         max_idx = max([int(Path(item.filename).stem) for item in zz.infolist()])
-#         for i in range(max_idx + 1):
-#             j = json.loads(zz.open(f'{i}.json').read())
-#             rs.frames.append(RfFrame(z / f'{i}.zst', RfFrameMeta(**j), seq=rs))
-#         return rs
-#
-#     @property
-#     def all(self):
-#         pass
-#
-#     def query(self):
-#         pass
-#
-#     @property
-#     def seq_id_minmax(self):
-#         mmin = 2 ** 32
-#         mmax = 0
-#         for f in self.frames:
-#             mmin = min(mmin, f.meta.sequence_id)
-#             mmax = max(mmax, f.meta.sequence_id)
-#         return mmin, mmax
-#
-#
-#
-#
-#
-# if __name__ == '__main__':
-#     f = RfSequence2('/mnt/16T/private_dataset/us/steel-top,U=30,M=PWI,S=(256 1502).zip').frames
-#     for f2 in f:
-#         print(f2.__bytes__().__len__())
-#     # print(Path('xxx/asdasdasd_asd=a1,ds1.123').with_suffix(''))
-#     # print(Path('xxx/asdasdasd_asd=a1,ds1.123').stem)
-#     # t = (1, 2)
-#     # f = RfSequenceMeta.from_name('123123,U=321,S=(1 2 3),M=PWI')
-#     # print(f.commit)
-#     # print(f.name)
-#     # print(RfSequence.RfSequenceMeta.p2t)
-#     # f = RfFrame.RfFrameMeta(123, 345)
-#     # print(f.name)
-#     # rs = RfSequence([], RfSequenceMeta())
-#     # rs = RfSequence.from_folder(
-#     #     '/run/media/lambda/b86dccdc-f134-464b-a310-6575ee9ae85c/cap4/trim/R1.1,U=30,M=PWI,S=(256 1502)')
-#     # # print(rs.meta)
-#     # for frame in rs.frames:
-#     #     if frame.mat().rotate90().show((1080, 1920)) == ord('q'):
-#     #         break
diff --git a/test/test_zmq_req_clientr.py b/test/test_zmq_req_clientr.py
new file mode 100644
index 0000000..b4fcc8e
--- /dev/null
+++ b/test/test_zmq_req_clientr.py
@@ -0,0 +1,34 @@
+import zmq
+import time
+
+
+class MyReqClient:
+    def __init__(self, s, context=None, timeout=4000):
+        if context is None:
+            context = zmq.Context()
+        self.context = context
+        self.timeout = timeout
+        self.socket = context.socket(zmq.REQ)
+        self.socket.connect(s)
+        self.s = s
+
+    def recv(self):
+        r = self.socket.poll(self.timeout)
+        print(r)
+        if r == 1:
+            return self.socket.recv()
+        self.socket.close()
+        self.socket = self.context.socket(zmq.REQ)
+        self.socket.connect(self.s)
+
+    def send(self, data):
+        self.socket.send(data)
+
+    def request(self, data: bytes):
+        self.socket.send(data)
+        return self.recv()
+
+
+c = MyReqClient(f"tcp://127.0.0.1:5555")
+while True:
+    print(c.request(b'asd'))
diff --git a/test/test_zmq_req_server.py b/test/test_zmq_req_server.py
new file mode 100644
index 0000000..bcfa7ea
--- /dev/null
+++ b/test/test_zmq_req_server.py
@@ -0,0 +1,17 @@
+import time
+
+import zmq
+
+c = zmq.Context()
+s = c.socket(zmq.REP)
+# s.setsockopt(zmq.HEARTBEAT_IVL, 1000)
+# s.setsockopt(zmq.HEARTBEAT_TTL, 1000)
+# s.setsockopt(zmq.HEARTBEAT_TIMEOUT, 1000)
+s.bind('tcp://127.0.0.1:5555')
+while True:
+    s.recv()
+    print('recv')
+    time.sleep(2)
+    print('send')
+    s.send(b'hello')
+    # break