update 优化 pg 字段类型适配

ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/domain/bo/FlowInstanceBo.java

@@ -50,6 +50,6 @@ public class FlowInstanceBo implements Serializable {
     /**
      * 申请人Ids
      */
-    private List<Long> createByIds;
+    private List<String> createByIds;
 
 }