diff --git a/wcs/nladmin-system/src/main/java/org/nl/acs/device_driver/driver/AbstractOpcDeviceDriver.java b/wcs/nladmin-system/src/main/java/org/nl/acs/device_driver/driver/AbstractOpcDeviceDriver.java
index 5679c931..626dba50 100644
--- a/wcs/nladmin-system/src/main/java/org/nl/acs/device_driver/driver/AbstractOpcDeviceDriver.java
+++ b/wcs/nladmin-system/src/main/java/org/nl/acs/device_driver/driver/AbstractOpcDeviceDriver.java
@@ -58,28 +58,60 @@ public class AbstractOpcDeviceDriver extends AbstractDeviceDriver implements Opc
         int i = 0;
         while(true) {
             //下发信号
-            control( itemValues);
-            Map<String, Object> read = new HashMap();
-            Map<Item, ItemState> itemStatus = group.read(true, (Item[])readitems.values().toArray(new Item[0]));
-            Set<Item> items = itemStatus.keySet();
-            Iterator var15 = items.iterator();
-
-            while(var15.hasNext()) {
-                Item item = (Item)var15.next();
-                ItemState itemState = (ItemState)itemStatus.get(item);
-                Object value = OpcUtl.getValue(item, itemState);
-                read.put(item.getId(), value);
-            }
-
-            boolean check = true;
-            Iterator var24 = itemsString.iterator();
-
-            while(var24.hasNext()) {
-                String itemString = (String)var24.next();
-                if (!ObjectUtl.isEquals(itemValues.get(itemString), JsonUtl.parse(read.get(itemString)))) {
-                    check = false;
+            try{
+                if(i == 0){
+                    control( itemValues);
+                } else {
+                    controlByNewConn( itemValues);
                 }
+
+            } catch (Exception e){
+                e.printStackTrace();
             }
+            Map<String, Object> read = new HashMap();
+            Map<Item, ItemState> itemStatus = null;
+            boolean check = true;
+            try{
+                if(i>0){
+                    group = opcServerService.getServer(this.getOpcServer());
+                    itemsString = new ArrayList<> (itemValues.keySet());
+                    Iterator nis = itemsString.iterator();
+
+                    while (nis.hasNext()) {
+                        String string = (String) nis.next();
+                        try {
+                            readitems.put(string, group.addItem(string));
+                        } catch (Exception e) {
+                            e.printStackTrace();
+                        }
+                    }
+                    itemStatus = group.read(true, (Item[])readitems.values().toArray(new Item[0]));
+
+                } else {
+                    itemStatus = group.read(true, (Item[])readitems.values().toArray(new Item[0]));
+                }
+                Set<Item> items = itemStatus.keySet();
+                Iterator var15 = items.iterator();
+                while(var15.hasNext()) {
+                    Item item = (Item)var15.next();
+                    ItemState itemState = (ItemState)itemStatus.get(item);
+                    Object value = OpcUtl.getValue(item, itemState);
+                    read.put(item.getId(), value);
+                }
+
+                Iterator var24 = itemsString.iterator();
+
+                while(var24.hasNext()) {
+                    String itemString = (String)var24.next();
+                    if (!ObjectUtl.isEquals(itemValues.get(itemString), JsonUtl.parse(read.get(itemString)))) {
+                        check = false;
+                    }
+                }
+            } catch (Exception e){
+                e.printStackTrace();
+                check = false;
+            }
+
             if (check) {
                 return;
             }
@@ -95,6 +127,85 @@ public class AbstractOpcDeviceDriver extends AbstractDeviceDriver implements Opc
         }
     }
 
+    public boolean controlByNewConn(Map<String, Object> itemValues) {
+
+        Iterator<Map.Entry<String, Object>> it = itemValues.entrySet().iterator();
+
+        ItemValue p2[];
+        p2 = new ItemValue[itemValues.size()];
+        int i=0;
+        while (it.hasNext()) {
+            Map.Entry<String, Object> entry = it.next();
+            System.out.println("即将写入值:"+entry.getKey() + ":" + entry.getValue());
+            p2[i] = new ItemValue();
+            p2[i].setItem_code(entry.getKey());
+            p2[i].setItem_value(entry.getValue());
+            i++;
+        }
+
+        return  this.controlByNewConn(p2);
+    }
+
+    public boolean controlByNewConn(ItemValue[] itemValues) {
+        if (itemValues != null && itemValues.length != 0) {
+            String this_items = JsonUtl.parseWithoutException(itemValues);
+            boolean need_write = false;
+            StringBuilder sb = new StringBuilder();
+            ItemValue[] var5 = itemValues;
+            int var6 = itemValues.length;
+
+//      for (int var7 = 0; var7 < var6; ++var7) {
+//        ItemValue itemValue = var5[var7];
+//        String code = itemValue.getItem_code();
+//        Object udw_value = this.getUdwValue(code);
+//        Object write_value = itemValue.getItem_value();
+//        sb.append(code);
+//        sb.append(":");
+//        sb.append(JsonUtl.parseWithoutException(udw_value));
+//        sb.append(";");
+//        if (!need_write && !UnifiedDataAppService.isEquals(udw_value, write_value)) {
+//          need_write = true;
+//        } else {
+//          log.warn("下发信号点位{} 当前写入值:{} 与系统内存值:{} 相同，不再写入 ", code, write_value, udw_value );
+//        }
+//      }
+            need_write = true;
+            if (need_write) {
+                Date date = new Date();
+        /*if (StringUtl.isEqual(this_items, this.last_items) && date.getTime() - this.sendTime.getTime() < (long) WcsConfig.opc_write_repeat_check) {
+            log.trace("发送时间因为小于{}毫秒，而被无视", WcsConfig.opc_write_repeat_check);
+            return false;
+        }*/
+
+                this.last_items = this_items;
+                this.sendTime = date;
+        /*  this.execute_log.setResource(this.getDevice().getCode(), this.getDevice().getName());
+        this.execute_log.log("原始记录{}->变更为{}", new Object[]{sb, this_items});
+        OpcServerService opcServerService = OpcServerFactory.getOpcServerService();*/
+
+                OpcServerService opcServerService = SpringContextHolder.getBean(OpcServerServiceImpl.class);
+
+                opcServerService.writeIntegerByNewConn(this.getOpcServer(), itemValues);
+
+
+                UnifiedDataAccessor opcValueAccessor = this.getOpcValueAccessor();
+                ItemValue[] var17 = itemValues;
+                int var18 = itemValues.length;
+
+                for (int var19 = 0; var19 < var18; ++var19) {
+                    ItemValue itemValue = var17[var19];
+                    String code = itemValue.getItem_code();
+                    Object value = itemValue.getItem_value();
+                    opcValueAccessor.setValue(code, value);
+                }
+            }
+
+            return true;
+        } else {
+            throw new WDKException("下发 无内容");
+        }
+    }
+
     public boolean control(Map<String, Object> itemValues) {
 
         Iterator<Map.Entry<String, Object>> it = itemValues.entrySet().iterator();
diff --git a/wcs/nladmin-system/src/main/java/org/nl/acs/opc/OpcServerService.java b/wcs/nladmin-system/src/main/java/org/nl/acs/opc/OpcServerService.java
index 3e1f7a30..fed5dab8 100644
--- a/wcs/nladmin-system/src/main/java/org/nl/acs/opc/OpcServerService.java
+++ b/wcs/nladmin-system/src/main/java/org/nl/acs/opc/OpcServerService.java
@@ -15,7 +15,13 @@ public interface OpcServerService {
 
     Group getServer(String var1);
 
+    Group getServerByNewConn(String var1);
+
     void writeInteger(String var1, ItemValue... var2);
 
+    void writeIntegerByNewConn(String var1, ItemValue... var2);
+
     void clearServer(String var1);
+
+
 }
diff --git a/wcs/nladmin-system/src/main/java/org/nl/acs/opc/OpcServerServiceImpl.java b/wcs/nladmin-system/src/main/java/org/nl/acs/opc/OpcServerServiceImpl.java
index 47cd77a0..f82dcfef 100644
--- a/wcs/nladmin-system/src/main/java/org/nl/acs/opc/OpcServerServiceImpl.java
+++ b/wcs/nladmin-system/src/main/java/org/nl/acs/opc/OpcServerServiceImpl.java
@@ -1,8 +1,10 @@
 package org.nl.acs.opc;
 
+import cn.hutool.core.util.StrUtil;
 import org.jinterop.dcom.common.JIException;
 import org.nl.acs.auto.initial.ApplicationAutoInitial;
 import org.nl.acs.device_driver.driver.ItemValue;
+import org.nl.modules.common.exception.BadRequestException;
 import org.nl.modules.wql.exception.WDKException;
 import org.openscada.opc.lib.common.NotConnectedException;
 import org.openscada.opc.lib.da.Group;
@@ -40,22 +42,22 @@ public class OpcServerServiceImpl implements OpcServerService, ApplicationAutoIn
     this.reload();
     if (OpcConfig.auto_start_opc) {
       Thread t =
-          new Thread() {
-            public void run() {
-              Iterator var1 = OpcServerServiceImpl.this.opcServerManageDtos.values().iterator();
+              new Thread() {
+                public void run() {
+                  Iterator var1 = OpcServerServiceImpl.this.opcServerManageDtos.values().iterator();
 
-              while (var1.hasNext()) {
-                OpcServerManageDto dto = (OpcServerManageDto) var1.next();
+                  while (var1.hasNext()) {
+                    OpcServerManageDto dto = (OpcServerManageDto) var1.next();
 
-                try {
-                  OpcServerServiceImpl.this.getServer(dto.getOpc_code());
-                  //OpcServerServiceImpl.log.info("加载opc server {}", dto.getOpc_code());
-                } catch (Exception var4) {
-                  //OpcServerServiceImpl.log.warn("启动无法载入servers", var4);
+                    try {
+                      OpcServerServiceImpl.this.getServer(dto.getOpc_code());
+                      OpcServerServiceImpl.log.info("加载opc server {}", dto.getOpc_code());
+                    } catch (Exception var4) {
+                      OpcServerServiceImpl.log.warn("启动无法载入servers", var4);
+                    }
+                  }
                 }
-              }
-            }
-          };
+              };
       t.start();
     }
   }
@@ -65,79 +67,128 @@ public class OpcServerServiceImpl implements OpcServerService, ApplicationAutoIn
     this.opcServerManageDtos = Collections.synchronizedMap(this.opcServerManageDtos);
   }
 
-  public synchronized Group getServer(String code) {
-    Group group = null;
-    group = (Group) this.groups.get(code);
-    if (group != null) {
-      try {
-        if (group.isActive()) {
-          return group;
+  public Group getServer(String code) {
+    synchronized(this.buildLock(code)) {
+      Group group = null;
+      group = (Group)this.groups.get(code);
+      if (group != null) {
+        label68: {
+          Group var10000;
+          try {
+            if (!group.isActive()) {
+              break label68;
+            }
+
+            var10000 = group;
+          } catch (JIException var14) {
+            log.error(code, var14);
+            break label68;
+          }
+
+          return var10000;
         }
-      } catch (JIException var9) {
-        var9.printStackTrace();
       }
-    }
 
-    Server server = (Server) this.servers.get(code);
-    boolean needcreate = false;
-    if (server == null) {
-      needcreate = true;
-    } else {
-      try {
-        group = server.findGroup(OpcConfig.opc_server_default_group);
-      } catch (UnknownHostException
-          | JIException
-          | UnknownGroupException
-          | NotConnectedException
-          | IllegalArgumentException var8) {
-        var8.printStackTrace();
+      Server server = (Server)this.servers.get(code);
+      boolean needcreate = false;
+      String groupName = code;
+      if (server == null) {
         needcreate = true;
+      } else {
+        try {
+          group = server.findGroup(groupName);
+        } catch (UnknownHostException | JIException | UnknownGroupException | NotConnectedException | IllegalArgumentException var13) {
+          log.error(code, var13);
+          needcreate = true;
+        }
       }
+
+      if (needcreate) {
+        OpcServerManageDto dto = (OpcServerManageDto)this.opcServerManageDtos.get(code);
+        if (dto == null) {
+          throw new RuntimeException(code+"不存在");
+        }
+
+//        if (server!=null){
+//          server.disconnect();
+//          server=null;
+//        }
+
+        if (server == null) {
+          server = OpcServerUtl.getServerWithOutException(dto.getOpc_host(), StrUtil.trim(dto.getCls_id()), dto.getUser(), dto.getPassword(), StrUtil.trim(dto.getDomain()));        }
+
+        try {
+          group = server.addGroup(groupName);
+        } catch (Exception var12) {
+          this.clearServer(code);
+          ThreadUtl.sleep(5000L);
+          log.warn("获取opc出错重新获取", code, var12);
+          server = OpcServerUtl.getServerWithOutException(dto.getOpc_host(), StrUtil.trim(dto.getCls_id()), dto.getUser(), dto.getPassword(), StrUtil.trim(dto.getDomain()));
+          try {
+            group = server.addGroup(groupName);
+          } catch (Exception var11) {
+            throw new RuntimeException(var12);
+          }
+        }
+
+        this.servers.put(code, server);
+        this.groups.put(code, group);
+      }
+
+      return group;
     }
+  }
 
-    if (needcreate) {
-      OpcServerManageDto dto = (OpcServerManageDto) this.opcServerManageDtos.get(code);
-      if (dto == null) {
-        throw new WDKException("code 不存在");
+  public Group getServerByNewConn(String code) {
+    synchronized(this.buildLock(code)) {
+
+      Server server = (Server)this.servers.get(code);
+      if (server!=null){
+        this.clearServer(code);
       }
 
-      server = OpcServerUtl.getServerWithOutException(
-              dto.getOpc_host(),
-              dto.getCls_id(),
-              dto.getUser(),
-              dto.getPassword(),
-              dto.getDomain());
-
-//      server = OpcServerUtl.getServerWithOutException(this.OpcServer.getOpc_host(), this.OpcServer.getCls_id(), this.OpcServer.getUser(), this.OpcServer.getPassword(), this.OpcServer.getDomain());
+      OpcServerManageDto dto = (OpcServerManageDto)this.opcServerManageDtos.get(code);
+      if (dto == null) {
+        throw new RuntimeException(code+"不存在");
+      }
 
+//        if (server == null) {
+      server = OpcServerUtl.getServerWithOutException(dto.getOpc_host(), StrUtil.trim(dto.getCls_id()), dto.getUser(), dto.getPassword(), StrUtil.trim(dto.getDomain()));
+//        }
+      String groupName = code;
+      Group group = null;
 
       try {
-        group = server.addGroup(OpcConfig.opc_server_default_group);
-      } catch (Exception var7) {
-        throw new WDKException(var7);
+        group = server.addGroup(groupName);
+      } catch (Exception var12) {
+        this.clearServer(code);
+        ThreadUtl.sleep(2000L);
+        log.warn("获取opc出错重新获取", code, var12);
+        server = OpcServerUtl.getServerWithOutException(dto.getOpc_host(), StrUtil.trim(dto.getCls_id()), dto.getUser(), dto.getPassword(), StrUtil.trim(dto.getDomain()));
+        try {
+          group = server.addGroup(groupName);
+        } catch (Exception var11) {
+          throw new RuntimeException(var12);
+        }
       }
 
       this.servers.put(code, server);
       this.groups.put(code, group);
+      return group;
     }
-
-    return group;
   }
 
-  public synchronized void clearServer(String code) {
-    try {
-      Server server = (Server) this.servers.get(code);
-      if (server!=null){
+  public void clearServer(String code) {
+    synchronized(this.buildLock(code)) {
+      try {
+        Server server = (Server)this.servers.get(code);
         server.disconnect();
+      } catch (Exception var5) {
       }
 
-    } catch (Exception e) {
-      e.printStackTrace();
-      log.error("清理server异常,",e.getMessage());
+      this.servers.remove(code);
+      this.groups.remove(code);
     }
-
-    this.servers.remove(code);
-    this.groups.remove(code);
   }
 
   public void writeInteger(String code, ItemValue... values) {
@@ -146,9 +197,32 @@ public class OpcServerServiceImpl implements OpcServerService, ApplicationAutoIn
       OpcUtl.writeValue(group, values);
     } catch (Exception var4) {
       this.clearServer(code);
-      log.warn("写入出错opc server {} 重新加载", code, var4);
-      ThreadUtl.sleep(5000L);
+      log.info("写入出错opc server {} 重新加载", code, var4);
+      ThreadUtl.sleep(1000L);
       throw var4;
     }
   }
+
+  public void writeIntegerByNewConn(String code, ItemValue... values) {
+    try {
+      Group group = this.getServerByNewConn(code);
+      OpcUtl.writeValue(group, values);
+    } catch (Exception var4) {
+      this.clearServer(code);
+      log.info("写入出错opc server {} 重新加载", code, var4);
+      ThreadUtl.sleep(1000L);
+      throw var4;
+    }
+  }
+
+  private String buildLock(String key) {
+    if (StrUtil.isEmpty(key)) {
+      key = "";
+    }
+    StringBuilder builder = new StringBuilder();
+    builder.append("OpcServerService.");
+    builder.append(key);
+    String lock = builder.toString().intern();
+    return lock;
+  }
 }