diff --git a/src/main/java/com/worker/scheduler/epost/service/EPostSendService.java b/src/main/java/com/worker/scheduler/epost/service/EPostSendService.java
index 2812765..15b7dbd 100644
--- a/src/main/java/com/worker/scheduler/epost/service/EPostSendService.java
+++ b/src/main/java/com/worker/scheduler/epost/service/EPostSendService.java
@@ -2,6 +2,7 @@ package com.worker.scheduler.epost.service;
 
 import com.querydsl.jpa.impl.JPAQueryFactory;
 import com.worker.domain.entity.CpGojiPrt;
+import com.worker.domain.entity.CpSetinfo;
 import com.worker.domain.entity.EpostRgstNmbr;
 import com.worker.domain.entity.EpostSenderDetail;
 import com.worker.domain.repo.cp.CpEPostRgstNmbr;
@@ -24,6 +25,7 @@ import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.*;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 @Service
 @RequiredArgsConstructor
@@ -176,7 +178,12 @@ public class EPostSendService {
         }
         // 택스트파일 생성
         try {
-            textMaker.generateTextFile(cpSendEpostTargets, epSendEpostTargets, cpSendEgojiTargets, epSendEgojiTargets);
+            List<EPostDto.SendTarget.Target> allTargets = Stream.of(cpSendEpostTargets, epSendEpostTargets, cpSendEgojiTargets, epSendEgojiTargets)
+                    .flatMap(Collection::stream)
+                    .collect(Collectors.toList());
+            if(setInfo.getCpSetinfo() != null) textMaker.generateTextFile(allTargets, setInfo.getCpSetinfo());
+            else textMaker.generateTextFile(allTargets, setInfo.getEpSetinfo());
+
         } catch (Exception e) {
             log.error("ZIP 파일 생성 실패 : " + e.getMessage());
         }
diff --git a/src/main/java/com/worker/scheduler/smg/service/DbPolling.java b/src/main/java/com/worker/scheduler/smg/service/DbPolling.java
index fd9cc8f..3e76d2d 100644
--- a/src/main/java/com/worker/scheduler/smg/service/DbPolling.java
+++ b/src/main/java/com/worker/scheduler/smg/service/DbPolling.java
@@ -443,11 +443,23 @@ public class DbPolling {
 
     //이미지 파일명을 mmCode + abcd 를 붙여 변환한다.
     private void changeImgFileNmToMmcode(List<SinmungoDto.SinmungoXml> eachList, int index, String mmcode) {
-        for(int i = 0; i < eachList.get(index).getImgParsers().size(); i++ ) {
-            char suffix = (char) ('A' + i); // A, B, C, D ...
-            if(eachList.get(index).getImgParsers().get(i).getFileType() == 1) {
-                eachList.get(index).getImgParsers().get(i).setFileName(mmcode+suffix+".jpg");
-            } else eachList.get(index).getImgParsers().get(i).setFileName(mmcode+suffix+"Z.mp4");
+        var xml = eachList.get(index);
+        if (xml == null || xml.getImgParsers() == null) return;
+
+        var imgs = xml.getImgParsers();
+
+        // 최대 4개(k, l, m, n)만 처리
+        int limit = Math.min(imgs.size(), 4);
+        for (int i = 0; i < limit; i++) {
+            var img = imgs.get(i);
+            if (img == null) continue;
+
+            char suffix = (char) ('k' + i); // k, l, m, n
+            if (img.getFileType() == 1) {
+                img.setFileName(mmcode + suffix + ".jpg");
+            } else {
+                img.setFileName(mmcode + suffix + "Z.mp4");
+            }
         }
     }
 
diff --git a/src/main/java/com/worker/util/textFileMacker/TextMaker.java b/src/main/java/com/worker/util/textFileMacker/TextMaker.java
index bbb713b..5676a92 100644
--- a/src/main/java/com/worker/util/textFileMacker/TextMaker.java
+++ b/src/main/java/com/worker/util/textFileMacker/TextMaker.java
@@ -1,11 +1,20 @@
 package com.worker.util.textFileMacker;
 
+import com.worker.domain.entity.CpSetinfo;
 import com.worker.scheduler.epost.dto.EPostDto;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
 
 @Component
 @Slf4j
@@ -14,15 +23,30 @@ public class TextMaker {
     String s(String v){ return v==null? "": v.replace("|",""); }
     String t(String v){ return v==null? "": v.replace("\r","").replace("\n","\\n").replace("|",""); }
 
-    public void generateTextFile(List<EPostDto.SendTarget.Target> cpSendEpostTargets,
-                                 List<EPostDto.SendTarget.Target> epSendEpostTargets,
-                                 List<EPostDto.SendTarget.Target> cpSendEgojiTargets,
-                                 List<EPostDto.SendTarget.Target> epSendEgojiTargets
-                                 ) {
+    public void generateTextFile(List<EPostDto.SendTarget.Target> sendTargets, CpSetinfo setInfo) {
 
-        // cpSendTargets을
-        log.info(epSendEpostTargets.toString());
+        // 전체 타겟을 콘키별로 묶음.
+        Map<String, List<EPostDto.SendTarget.Target>> sendTargetGroupingByConkey = sendTargets.stream()
+                .collect(Collectors.groupingBy(EPostDto.SendTarget.Target::getConKey));
 
+        //key로 택스트파일 생성
+        sendTargetGroupingByConkey.forEach((conKey, targets) -> {
+            Path baseDir = Path.of(setInfo.getStrValue8());
+            Path out = baseDir.resolve(conKey + ".txt");
+
+            List<String> lines = new ArrayList<>(targets.size());
+            for(int i = 0; i < targets.size(); i++) {
+                EPostDto.SendTarget.Target target = targets.get(i);
+                lines.add(addLine(target, String.valueOf(i), String.valueOf(targets.size()), conKey));
+            }
+            try {
+                Files.write(out, lines, StandardCharsets.UTF_8, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING);
+            } catch (IOException e) {
+                throw new UncheckedIOException("파일 쓰기 실패: " + out, e);
+            }
+        });
+
+        log.info(sendTargetGroupingByConkey.toString());
     }