diff --git a/model/ProjectModel/AreaManage.py b/model/ProjectModel/AreaManage.py
index d788e97..8bb3528 100644
--- a/model/ProjectModel/AreaManage.py
+++ b/model/ProjectModel/AreaManage.py
@@ -32,12 +32,12 @@ class Area():
     bytes = None
     type = None
     addressList = []
+    valueType = 'ABCD'
     def __init__(self):
         pass
 
 
     def writeValues(self):
-
         self.masterWriteValues = TcpMaster('127.0.0.2', 502)
         self.slaveWriteValues = TcpMaster('127.0.0.1', 502)
         print(self.masterValues,'sssssss')
diff --git a/model/ProjectModel/DeviceManage.py b/model/ProjectModel/DeviceManage.py
index 5e5b7f5..0325743 100644
--- a/model/ProjectModel/DeviceManage.py
+++ b/model/ProjectModel/DeviceManage.py
@@ -6,7 +6,7 @@ from model.ProjectModel.AreaManage import Area
 
 class Device():
     areas = []
-    startAddress = None
+    startAddress = 0
     endAddress = 0
     protocolType = None
     masterOrSlave = None
@@ -16,21 +16,42 @@ class Device():
 
     def addArea(self, type, nums, bytes):
         area = Area()
-        area.startAddress = self.endAddress
+        area.type = type
+        area.startAddress = 0 if not self.startAddress else: self.endAddress + 1
+        area.length = self.getLength(nums, bytes)
+        area.endAddress = startAddress + length
+        self.endAddress = area.endAddress
+        area.addressList = list(range(area.startAddress, area.endAddress + 1, bytes))
+        areas.append(area)
+
+    def delArea(self, index):
+        self.areas.pop(index)
+        self.recalculateAddress()
+
+    def recalculateAddress(self):
+        for index, area in enumerate(self.areas):
+            area.startAddress = self.startAddress
+            area.endAddress = area.startAddress + area.length
+            area.addressList = list(range(area.startAddress, area.endAddress + 1, area.bytes))
+        else:
+            self.endAddress = area.endAddress
+
+    def editAreaType(self, index, type):
+        self.areas[index].type = type
+
+    def editAreaValueType(self, index, varType):
+        self.areas[index].valueType = varType
+
+    def getArea(self, index):
+        return self.areas[index]
+
+    def getLength(self, nums, bytes):
         length = int(nums) * int(bytes)
         if length % 2 != 0:
             length = (length + 1) // 2
         else:
             length = length / 2
-        area.endAddress = startAddress + length
-        self.endAddress = area.endAddress
-        for index, address in range(area.startAddress, area.endAddress):
-            if index % bytes == 0 and self.protocolType == 'DP':
-                area.
-
 
-    def getValueLength(self):
-        pass
 
 
     def writeAreas(self):
@@ -38,7 +59,6 @@ class Device():
 
     @classmethod
     def delAreas(self, deviceName, ids):
-
         jsonCon = json.loads(DeviceDB.getByName(deviceName=deviceName).areaJson)
         for id in ids:
             jsonCon.pop(id - 1)
@@ -64,6 +84,8 @@ class Device():
             jsonCons = json.loads(jsonConsStr)
             return jsonCons
 
+
+
 class DevicesManange():
     def __init__(self):
         self.dpMasterDevices = collections.OrderedDict()
@@ -94,6 +116,28 @@ class DevicesManange():
             device.startAddress = curProDict.values[-1].endAddress + 1
         curProDict[deviceName] = device
 
+    def initDevices(self):
+        pass
+
+    def delDevice(self):
+        for devicesDict in [self.paMasterDevices, self.paSlaveDevices, self.dpMasterDevices, self.dpSlaveDevices]:
+            if deviceName in devicesDict:
+                del deviceDict[deviceName]
+                self.recalculateAddress()
+
+    def recalculateAddress(self, deviceDict):
+        for devicesDict in [self.paMasterDevices, self.paSlaveDevices, self.dpMasterDevices, self.dpSlaveDevices]:
+            for index, (deviceName, device) in enumerate(ordered_dict.items()):
+                device.startAddress = 0 in index = 0 else: device = previousDevice.endAddress + 1
+                device.recalculateAddress()
+                previousDevice = device
+
+
+    def getDevice(self, deviceName):
+        for devicesDict in [self.paMasterDevices, self.paSlaveDevices, self.dpMasterDevices, self.dpSlaveDevices]:
+            if deviceName in devicesDict:
+                return devicesDict[deviceName]
+
     @classmethod
     def addAreas(self, type, nums, bytes, deviceName):
         if DeviceDB.getByName(deviceName=deviceName).areaJson is None:
diff --git a/protocol/ModBus/TCPMaster.py b/protocol/ModBus/TCPMaster.py
index f4f8e1e..dbcbbd5 100644
--- a/protocol/ModBus/TCPMaster.py
+++ b/protocol/ModBus/TCPMaster.py
@@ -39,13 +39,7 @@ class TcpMaster():
                     address = address + 2
         except Exception as e:
             return 'error'
-    # def writeSingleCoil(self, slaveId, address, outputValue):
-    #     try:
-    #         outputValue = int(outputValue)
-    #         if outputValue in [0, 1]:
-    #             self.master.execute(slaveId, cst.WRITE_SINGLE_COIL, address, output_value = outputValue)
-    #     except Exception as e:
-    #         return 'error'
+
 
     def readHoldingRegisters(self, slaveId, startAddress, varNums, order = 'ABCD'):
         try: