diff --git a/mens-batch/src/main/java/kr/xit/biz/ens/model/EnsDTO.java b/mens-batch/src/main/java/kr/xit/biz/ens/model/EnsDTO.java
index a8a41aa..aee8664 100644
--- a/mens-batch/src/main/java/kr/xit/biz/ens/model/EnsDTO.java
+++ b/mens-batch/src/main/java/kr/xit/biz/ens/model/EnsDTO.java
@@ -546,8 +546,8 @@ public class EnsDTO {
         /**
          * 발송 건수
          */
-        @Schema(requiredMode = Schema.RequiredMode.REQUIRED, title = "발송 건수 (max:1)", example = " ")
-        @Digits(integer = 1, fraction = 0, message = "발송 건수는 필수입니다(max:1)")
+        @Schema(requiredMode = Schema.RequiredMode.REQUIRED, title = "발송 건수 (max:8자리)", example = " ")
+        @Digits(integer = 8, fraction = 0, message = "발송 건수는 필수입니다(max:8자리)")
         private int sndngCo;
         /**
          * 발송 일시