更新

src/main/resources/MoreSubProcess.bpmn

 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:tns="http://www.activiti.org/testm1585201515028" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" expressionLanguage="http://www.w3.org/1999/XPath" id="m1585201515028" name="" targetNamespace="http://www.activiti.org/testm1585201515028" typeLanguage="http://www.w3.org/2001/XMLSchema">
+<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:activiti="http://activiti.org/bpmn"
+             xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC"
+             xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:tns="http://www.activiti.org/testm1585201515028"
+             xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+             expressionLanguage="http://www.w3.org/1999/XPath" id="m1585201515028" name=""
+             targetNamespace="http://www.activiti.org/testm1585201515028"
+             typeLanguage="http://www.w3.org/2001/XMLSchema">
     <process id="MoreSubProcess" isClosed="false" isExecutable="true" processType="None">
         <startEvent id="_2" name="StartEvent"/>
         <userTask activiti:assignee="${inputUser}" activiti:exclusive="true" id="StartMission" name="启动补录任务"/>
         <sequenceFlow id="_4" sourceRef="_2" targetRef="StartMission"/>
         <subProcess activiti:exclusive="true" id="_5" triggeredByEvent="false">
-      <multiInstanceLoopCharacteristics activiti:collection="candidateUsers" activiti:elementVariable="candidateUser" isSequential="false">
+            <multiInstanceLoopCharacteristics activiti:collection="candidateUsers"
+                                              activiti:elementVariable="candidateUser" isSequential="false">
                 <completionCondition>
                     <!--     这里表示当完成数和总数相等的时候到下一步     -->
                     <![CDATA[${nrOfCompletedInstances/nrOfInstances == 1}]]>
                 </completionCondition>
             </multiInstanceLoopCharacteristics>
             <startEvent id="_7" name="StartEvent"/>
-      <userTask activiti:assignee="${candidateUser}" activiti:candidateUsers="${candidateUsers}" activiti:exclusive="true" id="DataEnter" name="填写补录数据"/>
+            <userTask activiti:assignee="${candidateUser}" activiti:candidateUsers="${candidateUsers}"
+                      activiti:exclusive="true" id="DataEnter" name="填写补录数据"/>
             <exclusiveGateway gatewayDirection="Unspecified" id="_9"/>
             <endEvent id="_10" name="EndEvent"/>
             <sequenceFlow id="_11" sourceRef="DataEnter" targetRef="_9"/>
@@ -59,7 +67,7 @@
                 <![CDATA[${needConfirm == 'false'}]]>
             </conditionExpression>
         </sequenceFlow>
-    <userTask activiti:exclusive="true" id="DataBackFlow" name="数据回流"/>
+        <userTask activiti:assignee="${backflowUser}" activiti:exclusive="true" id="DataBackFlow" name="数据回流"/>
         <sequenceFlow id="_29" sourceRef="_25" targetRef="DataBackFlow">
             <conditionExpression xsi:type="tFormalExpression">
                 <![CDATA[${needDataBackflow == 'true'}]]>
@@ -82,7 +90,9 @@
             </conditionExpression>
         </sequenceFlow>
     </process>
-  <bpmndi:BPMNDiagram documentation="background=#3C3F41;count=1;horizontalcount=1;orientation=0;width=842.4;height=1195.2;imageableWidth=832.4;imageableHeight=1185.2;imageableX=5.0;imageableY=5.0" id="Diagram-_1" name="New Diagram">
+    <bpmndi:BPMNDiagram
+            documentation="background=#3C3F41;count=1;horizontalcount=1;orientation=0;width=842.4;height=1195.2;imageableWidth=832.4;imageableHeight=1185.2;imageableX=5.0;imageableY=5.0"
+            id="Diagram-_1" name="New Diagram">
         <bpmndi:BPMNPlane bpmnElement="MoreSubProcess">
             <bpmndi:BPMNShape bpmnElement="_2" id="Shape-_2">
                 <dc:Bounds height="32.0" width="32.0" x="10.0" y="55.0"/>