diff --git a/src/main/java/com/wb/domainserver/acidlivy/tasklet/AciPodTasklet.java b/src/main/java/com/wb/domainserver/acidlivy/tasklet/AciPodTasklet.java
index b0193ec..c3ed61c 100644
--- a/src/main/java/com/wb/domainserver/acidlivy/tasklet/AciPodTasklet.java
+++ b/src/main/java/com/wb/domainserver/acidlivy/tasklet/AciPodTasklet.java
@@ -182,7 +182,7 @@ public class AciPodTasklet implements Tasklet {
             headers.set("ACIKey", aciKeyToken);
 
             Map<String, Object> body = new HashMap<>();
-            body.put("BLNO", orderVO.getInvcnb());
+            body.put("BLNO", List.of(orderVO.getInvcnb()));
 
             HttpEntity<Map<String, Object>> apiRequest =
                     new HttpEntity<>(body, headers);