diff --git a/acs2/nladmin-system/nlsso-server/src/main/java/org/nl/acs/opc/DeviceOpcProtocolRunable.java b/acs2/nladmin-system/nlsso-server/src/main/java/org/nl/acs/opc/DeviceOpcProtocolRunable.java
index 5de8c9107..353237096 100644
--- a/acs2/nladmin-system/nlsso-server/src/main/java/org/nl/acs/opc/DeviceOpcProtocolRunable.java
+++ b/acs2/nladmin-system/nlsso-server/src/main/java/org/nl/acs/opc/DeviceOpcProtocolRunable.java
@@ -189,6 +189,8 @@ public class DeviceOpcProtocolRunable implements Runnable, DataCallback, ServerC
                         Object value = OpcUtl.getValue(item, itemState);
                         if (value != null) {
                             valueAllNotNull = true;
+                        } else {
+                            log.info("item:{},velue为空，value:{}", item.getId(), value);
                         }
 
                         String itemId = item.getId();
@@ -225,13 +227,10 @@ public class DeviceOpcProtocolRunable implements Runnable, DataCallback, ServerC
                     }
 
                     if (!valueAllNotNull) {
-                        int random = (new Random()).nextInt(10) + 1;
-                        random *= 1000;
                         if (this.all_null < 3) {
                             if (log.isWarnEnabled()) {
-                                log.warn("{} 所有内容都为空, all_null:{} ,暂定{}s", tag, all_null,3);
+                                log.warn("OPC数据源: {} 所有内容都为空,检查网络, all_null:{} ,暂定{}s", tag, all_null,3);
                             }
-
                             ThreadUtl.sleep( 3000);
                             break start;
                         } else if (this.all_null < 6) {
@@ -253,9 +252,10 @@ public class DeviceOpcProtocolRunable implements Runnable, DataCallback, ServerC
                                 log.warn("{} 所有内容都为空, all_null:{} ,暂定{}ms", tag, all_null, 5000);
                             }
                             ThreadUtl.sleep((long) (5000));
+                            break start;
                         }
 
-                        ++this.all_null;
+//                        ++this.all_null;
                     } else {
                         this.all_null = 0;
                     }