解决回退自动通过

flow-workflow/flow-workflow-biz/src/main/java/com/flow/service/impl/FlowTaskServiceImpl.java

@@ -193,6 +193,7 @@ public class FlowTaskServiceImpl extends BaseServiceImpl<FlowTaskDao, FlowTask>
         }
         // 回退节点
         try {
+            runtimeService.removeVariable(task.getProcessInstanceId(), String.format("_%s_", task.getTaskDefinitionKey()));
             managementService.executeCommand(new JumpActivityCmd(
                     task.getProcessInstanceId(),
                     taskForm.getTargetNode()