fix：【BPM 工作流】项目重启后，审批重启前的流程会出现生成的下一待办任务所属人出现缺失

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/BpmSequentialMultiInstanceBehavior.java

@@ -14,6 +14,7 @@ import org.flowable.bpmn.model.UserTask;
 import org.flowable.engine.delegate.DelegateExecution;
 import org.flowable.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior;
 import org.flowable.engine.impl.bpmn.behavior.SequentialMultiInstanceBehavior;
+import org.flowable.engine.impl.persistence.entity.ExecutionEntity;
 
 import java.util.List;
 import java.util.Set;
@@ -82,4 +83,13 @@ public class BpmSequentialMultiInstanceBehavior extends SequentialMultiInstanceB
         return super.resolveNrOfInstances(execution);
     }
 
+    @Override
+    protected void executeOriginalBehavior(DelegateExecution execution, ExecutionEntity multiInstanceRootExecution, int loopCounter) {
+        // 参见 https://gitee.com/zhijiantianya/yudao-cloud/issues/IC239F
+        super.collectionExpression = null;
+        super.collectionVariable = FlowableUtils.formatExecutionCollectionVariable(execution.getCurrentActivityId());
+        super.collectionElementVariable = FlowableUtils.formatExecutionCollectionElementVariable(execution.getCurrentActivityId());
+        super.executeOriginalBehavior(execution, multiInstanceRootExecution, loopCounter);
+    }
+
 }