diff --git a/src/main/java/org/energy/modules/smart/controller/WorkOrderController.java b/src/main/java/org/energy/modules/smart/controller/WorkOrderController.java
index 4e7d51c..7030fa1 100644
--- a/src/main/java/org/energy/modules/smart/controller/WorkOrderController.java
+++ b/src/main/java/org/energy/modules/smart/controller/WorkOrderController.java
@@ -161,7 +161,7 @@ public class WorkOrderController extends DafController {
 	public R approve(Integer status, String ids) {
 		List<WorkOrder> list = new ArrayList<>();
 		for (String id : ids.split(",")) {
-			WorkOrder workOrder = workOrderService.getById(id);
+			WorkOrder workOrder = workOrderService.getById(Long.parseLong(id));
 			if (workOrder == null) {
 				throw new ServiceException(TokenUtil.SYSTEM_NOT_DATA);
 			}