优化获取审批人

flow-workflow/flow-workflow-entity/src/main/java/com/flow/entity/node/ApprovalNode.java

@@ -178,7 +178,7 @@ public class ApprovalNode extends AssigneeNode {
             } else if (nobody == ApprovalNobodyEnum.ADMIN) {
                 assignees.addAll(flowDefine.getAdmin());
             } else {
-                assignees.add("-000000");
+                // assignees.add("-000000");
             }
         }
         return assignees;