diff --git a/app/src/main/java/com/example/bpa/helper/ModbusTcpServer.java b/app/src/main/java/com/example/bpa/helper/ModbusTcpServer.java
index c60858e..45b5eaa 100644
--- a/app/src/main/java/com/example/bpa/helper/ModbusTcpServer.java
+++ b/app/src/main/java/com/example/bpa/helper/ModbusTcpServer.java
@@ -21,10 +21,12 @@ import com.serotonin.modbus4j.exception.ModbusTransportException;
 import com.serotonin.modbus4j.msg.ReadCoilsResponse;
 import com.serotonin.modbus4j.msg.ReadHoldingRegistersResponse;
 
+import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.nio.ByteBuffer;
 import java.util.Arrays;
 import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
 
 
 public class ModbusTcpServer {
@@ -66,8 +68,7 @@ public class ModbusTcpServer {
                         return -1;
                     }
                 }
-            }
-            else if (address.toUpperCase().contains("I") && address.length() >= 4) {
+            } else if (address.toUpperCase().contains("I") && address.length() >= 4) {
                 String[] res = address.substring(1).split("[.]");
                 if (res != null && res.length == 2) {
                     try {
@@ -80,8 +81,7 @@ public class ModbusTcpServer {
                         return -1;
                     }
                 }
-            }
-            else if ((address.toUpperCase().contains("VW") || address.toUpperCase().contains("VD")) && address.length() >= 3) {
+            } else if ((address.toUpperCase().contains("VW") || address.toUpperCase().contains("VD")) && address.length() >= 3) {
                 String res = address.substring(2);
                 if (res != null) {
                     try {
@@ -132,6 +132,20 @@ public class ModbusTcpServer {
      * @param port 设备端口号
      */
     public void Connect(String host, int port) {
+
+        int status = 1;
+        while (status == 1) {
+            try {
+                //status为0则代表通，为1则代表不通。
+                status = Runtime.getRuntime().exec("ping  " + host).waitFor();
+                if (status == 1) Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                MessageLog.ShowInfo("设备 " + host + " 网络验证失败");
+            } catch (IOException e) {
+                MessageLog.ShowInfo("设备 " + host + " 网络验证失败");
+            }
+        }
+
         param = TcpParam.create(host, port)
                 .setTimeout(1000)
                 .setRetries(0)
@@ -148,7 +162,7 @@ public class ModbusTcpServer {
                 BusinessServer.Get().Init();
                 //3.设置自动模式
                 DeviceData.Get().setHandOrAutoSwitch(true, null);
-                DeviceData.Get().setCleaningMode(false,null);//关闭自动清洗模式
+                DeviceData.Get().setCleaningMode(false, null);//关闭自动清洗模式
                 //4.启动设备服务
                 DeviceServer.Get().Init();
                 //5.启动日志服务
@@ -259,11 +273,9 @@ public class ModbusTcpServer {
         return res;
     }
 
-    public static String GetString(short[] src, int start, int len) throws UnsupportedEncodingException
-    {
+    public static String GetString(short[] src, int start, int len) throws UnsupportedEncodingException {
         short[] temp = new short[len];
-        for (int i = 0; i < len; i++)
-        {
+        for (int i = 0; i < len; i++) {
             temp[i] = src[i + start];
         }
         byte[] bytesTemp = shorts2Bytes(temp);
@@ -274,7 +286,7 @@ public class ModbusTcpServer {
         return str;
     }
 
-    public static byte [] shorts2Bytes(short [] data){
+    public static byte[] shorts2Bytes(short[] data) {
         byte[] byteValue = new byte[data.length * 2];
         for (int i = 0; i < data.length; i++) {
             byteValue[i * 2] = (byte) (data[i] & 0xff);
@@ -295,14 +307,14 @@ public class ModbusTcpServer {
         try {
             ReadHoldingRegistersResponse res = ModbusTcpHelper.get().syncReadHoldingRegisters(1, add, length);
             byte[] data = res.getData();
-            byte[] tempData=new byte[6];
-            tempData[0]=data[1];
-            tempData[1]=data[0];
-            tempData[2]=data[3];
-            tempData[3]=data[2];
-            tempData[4]=data[5];
-            tempData[5]=data[4];
-            if(callback!=null) callback.onSuccess(tempData);
+            byte[] tempData = new byte[6];
+            tempData[0] = data[1];
+            tempData[1] = data[0];
+            tempData[2] = data[3];
+            tempData[3] = data[2];
+            tempData[4] = data[5];
+            tempData[5] = data[4];
+            if (callback != null) callback.onSuccess(tempData);
         } catch (InterruptedException e) {
             MessageLog.ShowError("ReadShort onFailure，Address=" + Address + ",length=" + length + ",msg:" + e.toString());
         } catch (ExecutionException e) {
@@ -315,6 +327,7 @@ public class ModbusTcpServer {
             MessageLog.ShowError("ReadShort onFailure，Address=" + Address + ",length=" + length + ",msg:" + e.toString());
         }
     }
+
     /***
      *读取扫码数据
      * @param Address the address
@@ -327,26 +340,23 @@ public class ModbusTcpServer {
         try {
             ReadHoldingRegistersResponse res = ModbusTcpHelper.get().syncReadHoldingRegisters(1, add, length);
             byte[] data = res.getData();
-            byte[] data1= Arrays.copyOfRange(data, 0, 18);
+            byte[] data1 = Arrays.copyOfRange(data, 0, 18);
             //36 GUID 18 Number
-            String id="";
+            String id = "";
             try {
-                byte[] tempdata=new byte[18];
-                for (int i=0;i<data1.length;i++)
-                {
-                    if(i%2==0)
-                    {
-
-                        tempdata[i+1]=data1[i];
-                    }else
-                    {
-                        tempdata[i-1]=data1[i];
+                byte[] tempdata = new byte[18];
+                for (int i = 0; i < data1.length; i++) {
+                    if (i % 2 == 0) {
+
+                        tempdata[i + 1] = data1[i];
+                    } else {
+                        tempdata[i - 1] = data1[i];
                     }
                 }
                 id = new String(tempdata, "UTF-8").trim();
             } catch (UnsupportedEncodingException ex) {
             }
-            if(callback!=null) callback.onSuccess(id);
+            if (callback != null) callback.onSuccess(id);
         } catch (InterruptedException e) {
             MessageLog.ShowError("ReadShort onFailure，Address=" + Address + ",length=" + length + ",msg:" + e.toString());
         } catch (ExecutionException e) {
@@ -364,39 +374,40 @@ public class ModbusTcpServer {
         int add = GetAddress(Address);
         if (add < 0) return;
         short[] send = new short[length];
-        for (short item:send)
-        {
-            item=0;
+        for (short item : send) {
+            item = 0;
         }
         try {
             ModbusTcpHelper.get().syncWriteRegisters(1, add, send);
-            if(callback!=null)
+            if (callback != null)
                 callback.onSuccess();
         } catch (InterruptedException e) {
             MessageLog.ShowError("WriteShort onFailure，Address=" + Address + ",length=" + length + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ExecutionException e) {
             MessageLog.ShowError("WriteShort onFailure，Address=" + Address + ",length=" + length + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusTransportException e) {
             MessageLog.ShowError("WriteShort onFailure，Address=" + Address + ",length=" + length + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusInitException e) {
             MessageLog.ShowError("WriteShort onFailure，Address=" + Address + ",length=" + length + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusRespException e) {
             MessageLog.ShowError("WriteShort onFailure，Address=" + Address + ",length=" + length + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         }
     }
+
     public void ReadShort(String Address, int length, IReadCallBack<short[]> callback) {
         int add = GetAddress(Address);
         if (add < 0) return;
         try {
             ReadHoldingRegistersResponse res = ModbusTcpHelper.get().syncReadHoldingRegisters(1, add, length);
             short[] data = res.getShortData();
-            if (data.length == length){
-                if(callback!=null) callback.onSuccess(data);}
+            if (data.length == length) {
+                if (callback != null) callback.onSuccess(data);
+            }
         } catch (InterruptedException e) {
             MessageLog.ShowError("ReadShort onFailure，Address=" + Address + ",length=" + length + ",msg:" + e.toString());
         } catch (ExecutionException e) {
@@ -417,9 +428,8 @@ public class ModbusTcpServer {
             ReadCoilsResponse res = ModbusTcpHelper.get().syncReadCoil(1, add, length);
             boolean[] data = res.getBooleanData();
             boolean[] result = Arrays.copyOfRange(data, 0, length);
-            if (result.length == length)
-            {
-                if(callback!=null)callback.onSuccess(result);
+            if (result.length == length) {
+                if (callback != null) callback.onSuccess(result);
             }
         } catch (InterruptedException e) {
             MessageLog.ShowError("ReadBool onFailure，Address=" + Address + ",length=" + length + ",msg:" + e.toString());
@@ -448,9 +458,8 @@ public class ModbusTcpServer {
                 }
                 tempValues[i] = BytesToFloat(tempData, DataFormat.ABCD);
             }
-            if (tempValues.length == length)
-            {
-                if(callback!=null)callback.onSuccess(tempValues);
+            if (tempValues.length == length) {
+                if (callback != null) callback.onSuccess(tempValues);
             }
         } catch (InterruptedException e) {
             MessageLog.ShowError("ReadFloat onFailure，Address=" + Address + ",length=" + length + ",msg:" + e.toString());
@@ -469,7 +478,7 @@ public class ModbusTcpServer {
         int add = GetAddress(Address);
         if (add < 0) return;
         try {
-            ReadHoldingRegistersResponse res = ModbusTcpHelper.get().syncReadHoldingRegisters(1, add, length*2);
+            ReadHoldingRegistersResponse res = ModbusTcpHelper.get().syncReadHoldingRegisters(1, add, length * 2);
             byte[] data = res.getData();
             int[] tempValues = new int[length];
             for (int i = 0; i < length; i++) {
@@ -485,9 +494,8 @@ public class ModbusTcpServer {
                 tempValues[i] = BytesToInt(tempData, DataFormat.BADC);
 
             }
-            if (tempValues.length == length)
-            {
-                if(callback!=null)callback.onSuccess(tempValues);
+            if (tempValues.length == length) {
+                if (callback != null) callback.onSuccess(tempValues);
             }
         } catch (InterruptedException e) {
             MessageLog.ShowError("ReadInt onFailure，Address=" + Address + ",length=" + length + ",msg:" + e.toString());
@@ -509,23 +517,23 @@ public class ModbusTcpServer {
         send[0] = Value;
         try {
             ModbusTcpHelper.get().syncWriteRegisters(1, add, send);
-            if(callback!=null)
+            if (callback != null)
                 callback.onSuccess();
         } catch (InterruptedException e) {
             MessageLog.ShowError("WriteShort onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ExecutionException e) {
             MessageLog.ShowError("WriteShort onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusTransportException e) {
             MessageLog.ShowError("WriteShort onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusInitException e) {
             MessageLog.ShowError("WriteShort onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusRespException e) {
             MessageLog.ShowError("WriteShort onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         }
     }
 
@@ -534,23 +542,23 @@ public class ModbusTcpServer {
         if (add < 0) return;
         try {
             ModbusTcpHelper.get().syncWriteCoil(1, add, Value);
-            if (callback!=null)
+            if (callback != null)
                 callback.onSuccess();
         } catch (InterruptedException e) {
             MessageLog.ShowError("WriteBool onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if (callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ExecutionException e) {
             MessageLog.ShowError("WriteBool onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if (callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusTransportException e) {
             MessageLog.ShowError("WriteBool onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if (callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusInitException e) {
             MessageLog.ShowError("WriteBool onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if (callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusRespException e) {
             MessageLog.ShowError("WriteBool onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if (callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         }
     }
 
@@ -562,22 +570,22 @@ public class ModbusTcpServer {
         try {
             ModbusTcpHelper.get().syncWriteRegisters(1, add, send);
 
-            if(callback!=null)callback.onSuccess();
+            if (callback != null) callback.onSuccess();
         } catch (InterruptedException e) {
             MessageLog.ShowError("WriteFloat onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ExecutionException e) {
             MessageLog.ShowError("WriteFloat onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusTransportException e) {
             MessageLog.ShowError("WriteFloat onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusInitException e) {
             MessageLog.ShowError("WriteFloat onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusRespException e) {
             MessageLog.ShowError("WriteFloat onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         }
     }
 
@@ -587,22 +595,22 @@ public class ModbusTcpServer {
         short[] send = IntToShorts(Value);
         try {
             ModbusTcpHelper.get().syncWriteRegisters(1, add, send);
-            if(callback!=null)callback.onSuccess();
+            if (callback != null) callback.onSuccess();
         } catch (InterruptedException e) {
             MessageLog.ShowError("WriteInt onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ExecutionException e) {
             MessageLog.ShowError("WriteInt onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusTransportException e) {
             MessageLog.ShowError("WriteInt onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusInitException e) {
             MessageLog.ShowError("WriteInt onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         } catch (ModbusRespException e) {
             MessageLog.ShowError("WriteInt onFailure，Address=" + Address + ",length=" + Value + ",msg:" + e.toString());
-            if(callback!=null)callback.onFailure(e.toString());
+            if (callback != null) callback.onFailure(e.toString());
         }
     }