diff --git a/acs/nladmin-system/src/main/java/org/nl/acs/opc/OpcUtl.java b/acs/nladmin-system/src/main/java/org/nl/acs/opc/OpcUtl.java
index 93c5fa0fa..108af6282 100644
--- a/acs/nladmin-system/src/main/java/org/nl/acs/opc/OpcUtl.java
+++ b/acs/nladmin-system/src/main/java/org/nl/acs/opc/OpcUtl.java
@@ -29,7 +29,7 @@ public class OpcUtl {
     }
 
 
-    public static void writeValue(Group group, WriteRequest... requests) {
+    public static void writeValue(Group group, WriteRequest... requests) throws WDKException {
         try {
             Map e = group.write(requests);
             boolean is_success = true;
@@ -55,6 +55,7 @@ public class OpcUtl {
                 // throw new BusinessException(message.toString());
                 System.out.println("下发信号失败："+message.toString());
                 log.info("下发信号失败："+message.toString());
+                throw new WDKException(message.toString());
 //                group.write(requests);
             }
         } catch (JIException arg7) {