diff --git a/casic-metering-service/src/main/java/com/casic/missiles/service/impl/BaseApprovalServiceImpl.java b/casic-metering-service/src/main/java/com/casic/missiles/service/impl/BaseApprovalServiceImpl.java
index 09afac3..d78ac8c 100644
--- a/casic-metering-service/src/main/java/com/casic/missiles/service/impl/BaseApprovalServiceImpl.java
+++ b/casic-metering-service/src/main/java/com/casic/missiles/service/impl/BaseApprovalServiceImpl.java
@@ -421,11 +421,13 @@
                             FlowElement targetFlowElement = outgoingFlow.getSourceFlowElement();
                             if (targetFlowElement instanceof UserTask) {
                                 UserTask userTask = (UserTask) targetFlowElement;
-                                //或签
-                                if ("${nrOfCompletedInstances/nrOfInstances > 0}".equals(userTask.getLoopCharacteristics().getCompletionCondition())) {
-                                    flowTask.setCountersignOrSign(2);//或签
-                                } else {
-                                    flowTask.setCountersignOrSign(1);//会签
+                                if (Objects.nonNull(userTask) && Objects.nonNull(userTask.getLoopCharacteristics())){
+                                    //或签
+                                    if ("${nrOfCompletedInstances/nrOfInstances > 0}".equals(userTask.getLoopCharacteristics().getCompletionCondition())) {
+                                        flowTask.setCountersignOrSign(2);//或签
+                                    } else {
+                                        flowTask.setCountersignOrSign(1);//会签
+                                    }
                                 }
                             }
                         }