diff --git a/src/main/java/com/icomsys/MessagingConnector.java b/src/main/java/com/icomsys/MessagingConnector.java
index 3b68a93..51533f2 100644
--- a/src/main/java/com/icomsys/MessagingConnector.java
+++ b/src/main/java/com/icomsys/MessagingConnector.java
@@ -3,8 +3,11 @@ package com.icomsys;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.icomsys.dsl.MessageSendServiceDsl;
+import com.icomsys.dsl.MessageSendServiceDslImpl;
+import com.icomsys.message.MessageSendLogMapper;
 import com.icomsys.util.CommonBeanUtils;
 import com.icomsys.vo.*;
+import org.springframework.beans.factory.annotation.Autowired;
 
 import java.io.IOException;
 import java.net.URI;
@@ -24,16 +27,17 @@ public class MessagingConnector {
     private final String mms;
     private final String kakao;
     private final String apiKey;
-    public MessageSendServiceDsl messageSendServiceDsl;
+    public final MessageSendServiceDsl messageSendServiceDsl;
     private final HttpClient httpClient;
 
-    public MessagingConnector(String sms, String lms, String mms, String kakao, String apiKey) {
+    public MessagingConnector(String sms, String lms, String mms, String kakao, String apiKey, MessageSendServiceDsl messageSendServiceDsl) {
         this.sms = sms;
         this.lms = lms;
         this.mms = mms;
         this.kakao = kakao;
         this.apiKey = apiKey;
         this.httpClient = HttpClient.newHttpClient();
+        this.messageSendServiceDsl = messageSendServiceDsl;
     }
 
     public MessageSendResponse messageDiv(MessageSendRequest messageSendRequest) throws IOException, InterruptedException {
@@ -106,6 +110,23 @@ public class MessagingConnector {
             messageSendResponse.setMessage("서버 통신 오류");
         }
 
+        if (this.messageSendServiceDsl == null) {
+            System.out.println("messageSendServiceDsl is null");
+            throw new IllegalStateException("messageSendServiceDsl is not initialized.");
+        }
+
+        if (sejongMessageSendResponse == null) {
+            System.out.println("sejongMessageSendResponse is null");
+        }
+
+        if (messageSendRequest == null) {
+            System.out.println("messageSendRequest is null");
+        }
+
+        if (messageSendResponse == null) {
+            System.out.println("messageSendResponse is null");
+        }
+
         messageSendResponse = this.responseChange(sejongMessageSendResponse, messageSendRequest);
         this.messageSendServiceDsl.insertSendLog(sejongMessageSendResponse, messageSendRequest, messageSendResponse);