fix: json property fix

mens-core/src/main/java/kr/xit/biz/ens/model/ktgbs/KtGbsApiDTO.java

@@ -8,8 +8,8 @@ import javax.validation.constraints.Size;
 
 import org.hibernate.validator.constraints.NotEmpty;
 
-import com.fasterxml.jackson.annotation.JsonAlias;
 import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.PropertyNamingStrategies;
 import com.fasterxml.jackson.databind.annotation.JsonNaming;
 
@@ -98,8 +98,7 @@ public class KtGbsApiDTO {
         @Schema(requiredMode = Schema.RequiredMode.REQUIRED, title = "문서종류(sms|lms|mms)", example = " ", allowableValues = {
             "sms", "lms", "mms"})
         @Size(min = 3, max = 3, message = "문서종류(sms|lms|mms)")
-        @JsonAlias("m_type")
-        //@JsonProperty("m_type")
+        @JsonProperty("m_type")
         private String mType;
 
         /**