diff --git a/src/main/java/com/ffii/fpsms/modules/purchaseOrder/web/PurchaseOrderController.kt b/src/main/java/com/ffii/fpsms/modules/purchaseOrder/web/PurchaseOrderController.kt
index a66c997..07b55e1 100644
--- a/src/main/java/com/ffii/fpsms/modules/purchaseOrder/web/PurchaseOrderController.kt
+++ b/src/main/java/com/ffii/fpsms/modules/purchaseOrder/web/PurchaseOrderController.kt
@@ -24,7 +24,10 @@ class PurchaseOrderController(
     @GetMapping("/list")
     fun getPoList(@RequestParam(required = false) pageNum: Int, @RequestParam(required = false) pageSize: Int ): RecordsRes<PurchaseOrderDataClass> {
         println("request")
-        val pageRequest = PagingRequest(pageSize = pageSize, pageNum = pageNum,)
+        println(pageSize)
+        println(pageNum - 1)
+        // request pageNum starts from 1, but pagingRequest starts with 0
+        val pageRequest = PagingRequest(pageSize = pageSize, pageNum = pageNum - 1,) // not start from 0
         return purchaseOrderService.getPoList(pageRequest)
     }