diff --git a/model/ProjectModel/AreaManage.py b/model/ProjectModel/AreaManage.py
index c863656..4d06726 100644
--- a/model/ProjectModel/AreaManage.py
+++ b/model/ProjectModel/AreaManage.py
@@ -19,8 +19,9 @@ class Area():
     type = None
     addressList = []
     order = 'ABCD'
-    nums = None
+    nums = 0
     forceValue = [0]
+    currentValue = [0] * nums
     def __init__(self):
         pass
 
diff --git a/model/ProjectModel/DeviceManage.py b/model/ProjectModel/DeviceManage.py
index f8d33ad..6b677a7 100644
--- a/model/ProjectModel/DeviceManage.py
+++ b/model/ProjectModel/DeviceManage.py
@@ -134,6 +134,8 @@ class DevicesManange():
         self.paSlaveDevices = collections.OrderedDict()
         self.dpSlaveModbus = TcpMaster(host = '192.168.2.10', port = 502)
         self.paSlaveModbus = TcpMaster(host = '192.168.4.10', port = 502)
+        self.dpMasterModbus = TcpMaster(host = '192.168.1.10', port = 502)
+        self.paMasterModbus = TcpMaster(host = '192.168.3.10', port = 502)
 
 
 
@@ -182,13 +184,14 @@ class DevicesManange():
         for devicesDict in [self.paMasterDevices, self.paSlaveDevices, self.dpMasterDevices, self.dpSlaveDevices]:
             if deviceName in devicesDict:
                 return devicesDict[deviceName]
-    
+
     def writeAreas(self, deviceName, values):
         bytes = b""
         device = self.getDevice(deviceName)
         if device.type == "DP" and device.masterOrSlave == "主站":
             curProDict = self.dpMasterDevices
             areas = device.outputAreas
+            modbusM = self.dpMasterModbus
         elif device.type == "DP" and device.masterOrSlave == "从站":
             curProDict = self.dpSlaveDevices
             areas = device.inputAreas
@@ -196,6 +199,7 @@ class DevicesManange():
         elif device.type == "PA" and device.masterOrSlave == "主站":
             areas = device.outputAreas
             curProDict = self.paMasterDevices
+            modbusM = self.paMasterModbus
         elif device.type == "PA" and device.masterOrSlave == "从站":
             areas = device.inputAreas
             curProDict = self.paSlaveDevices
@@ -220,6 +224,38 @@ class DevicesManange():
         modbusM.writeMultipleRegister(slaveId = 1, address = 0, outputValue = values)
             # print(struct.unpack('>f', struct.pack('!HH', *values[:2])))
 
+    def readAreas(self):
+        for index, curProDict enumerate(devicesDict) in [self.paMasterDevices, self.paSlaveDevices, self.dpMasterDevices, self.dpSlaveDevices]:
+            match index:
+                case 0:
+                    areaType = 'output'
+                    modbusM = self.paMasterModbus
+                case 1:
+                    areaType = 'input'
+                    modbusM = self.paSlaverModbus
+                case 2:
+                    areaType = 'output'
+                    modbusM = self.dpMasterModbus
+                case 3:
+                    areaType = 'input'
+                    modbusM = self.dpSlaverModbus
+            lastDevice = list(curProDict.values())[-1]
+            bytesNums = lastDevice.inputEndAddress if areaType == 'input' else lastDevice.outputEndAddress
+            intNums = int(bytesNums / 2) if bytesNums % 2 == 0 else int(bytesNums / 2) + 1
+            intValues = modbusM.readHoldingRegisters(slaveId = 1, startAddress = 0, intNums)
+            bytesValues = struct.pack(f"!{'H' * len(intValues)}")
+            for device in curProDict.values():
+                readAreas = device.inputAreas if areaType == 'input' else device.outputAreas
+                for area in readAreas:
+                    bytes = bytesValues[area.startAddress, area.endAddress + 1]
+                    if area.type in ['AI', 'AO']:
+                        for i in range(0, len(bytes), 4):
+                            byte = byte[i:i+4]
+                            if len(byte) != 4:
+                                return
+                            area.currentValue[i] = struct.unpack('!f', reorderBytes(byte))
+                    elif area.type in ['DI', 'DO']:
+                        area.currentValue = bytesToCoils(byte)
     @classmethod
     def addAreas(self, type, order, bytes, deviceName):
         if DeviceDB.getByName(deviceName=deviceName).areaJson is None:
diff --git a/protocol/ModBus/ByteOrder.py b/protocol/ModBus/ByteOrder.py
index a7df5ac..c634766 100644
--- a/protocol/ModBus/ByteOrder.py
+++ b/protocol/ModBus/ByteOrder.py
@@ -51,6 +51,18 @@ def CDABToFloat(value):
 	valueByte = struct.unpack('<f', struct.pack('<HH', value[0], value[1]))
 	return valueByte[0]
 
+def bytesTOFloat(value, order):
+	match order:
+		case 'ABCD':
+			return ABCDToFloat(value)
+		case 'DCBA':
+			return DCBAToFloat(value)
+		case 'CDAB':
+			return CDABToFloat(value)
+		case 'BADC':
+			return BADCToFloat(value)
+
+
 def floatToBytes(values, length, order):
 	# 判断order是否为ABCD或BADC
 	# order = '>' if order in ['ABCD', 'BADC'] else '<'
@@ -76,7 +88,10 @@ def coilsToBytes(values, length):
 	valueByte = struct.pack("B" * length, *decimalNumbers, *[0] * (length - len(decimalNumbers)))
 	return valueByte
 
-# print(coilsToBytes([1] * 2, 3))
-# floatToBytes([3.14], 5, 'ABCD')
+def bytesToCoils(valueByte):
+    binaryNumber = ''.join([format(x, '08b') for x in valueByte])
+    values = list(reversed([int(x) for x in binaryNumber]))
+    return values
+
 
 
diff --git a/protocol/ModBus/TCPMaster.py b/protocol/ModBus/TCPMaster.py
index b5f71f7..0da1ded 100644
--- a/protocol/ModBus/TCPMaster.py
+++ b/protocol/ModBus/TCPMaster.py
@@ -29,16 +29,7 @@ class TcpMaster():
     def readHoldingRegisters(self, slaveId, startAddress, varNums):
         try:
             value = self.master.execute(slaveId, cst.READ_HOLDING_REGISTERS, startAddress, varNums)
-                # if order == 'ABCD': # 大端模式
-                #     valueByte = ABCDToFloat(value)
-                # elif order == 'DCBA': # 小端模式
-                #     valueByte = DCBAToFloat(value)
-                # elif order == 'BADC':
-                #     valueByte = BADCToFloat(value)
-                # elif order == 'CDAB':
-                #     valueByte = CDABToFloat(value)
             return value
-
         except:
             return 'error'