diff --git a/zc-business/src/main/java/com/zc/business/service/impl/DcEventServiceImpl.java b/zc-business/src/main/java/com/zc/business/service/impl/DcEventServiceImpl.java
index cd94b9d1..5451a5c4 100644
--- a/zc-business/src/main/java/com/zc/business/service/impl/DcEventServiceImpl.java
+++ b/zc-business/src/main/java/com/zc/business/service/impl/DcEventServiceImpl.java
@@ -264,7 +264,9 @@ public class DcEventServiceImpl extends ServiceImpl<DcEventMapper, DcEvent> impl
                                 dcEvent1.setId(dcEventId);//事件id
                                 if (dcEvent2.getEventType() != 3) {
                                     dcEvent1.setEventNature(1l);//首发事件
+
                                     dcEvent1.setLinkId(dcEvent2.getLinkId() + "," + uuid);//关联管制事件id
+
                                     dcEventMapper.updateDcEventLinkId(dcEvent1);//修改事件性质
                                 }
                             }
@@ -282,7 +284,11 @@ public class DcEventServiceImpl extends ServiceImpl<DcEventMapper, DcEvent> impl
                                 dcEvent1.setId(dcEventId);//事件id
                                 if (dcEvent2.getEventType() != 3) {
                                     dcEvent1.setEventNature(1l);//首发事件
-                                    dcEvent1.setLinkId(dcEvent2.getLinkId()+","+uuid);//关联管制事件id
+                                    if (dcEvent2.getLinkId()!=null) {
+                                        dcEvent1.setLinkId(dcEvent2.getLinkId()+","+uuid);//关联管制事件id
+                                    }else {
+                                        dcEvent1.setLinkId(uuid);//关联管制事件id
+                                    }
                                     dcEventMapper.updateDcEventLinkId(dcEvent1);//修改事件性质
 
                                 }
@@ -327,7 +333,11 @@ public class DcEventServiceImpl extends ServiceImpl<DcEventMapper, DcEvent> impl
                                     a++;
                                 }
                                 String linkId2 = sb2.toString();
-                                dcEvent1.setLinkId(dcEvent2.getLinkId()+","+linkId2);//关联管制事件id
+                                if (dcEvent2.getLinkId()!=null){
+                                    dcEvent1.setLinkId(dcEvent2.getLinkId()+","+linkId2);//关联管制事件id
+                                }else {
+                                    dcEvent1.setLinkId(linkId2);//关联管制事件id
+                                }
 
                                 if (dcEvent2.getEventType() != 3) {
                                     dcEventMapper.updateDcEventLinkId(dcEvent1);//修改事件性质