diff --git a/src/main/java/com/assu/server/domain/auth/service/LoginServiceImpl.java b/src/main/java/com/assu/server/domain/auth/service/LoginServiceImpl.java
index 17b72ba..1c85152 100644
--- a/src/main/java/com/assu/server/domain/auth/service/LoginServiceImpl.java
+++ b/src/main/java/com/assu/server/domain/auth/service/LoginServiceImpl.java
@@ -197,9 +197,9 @@ private UserBasicInfo buildUserBasicInfo(Member member) {
                 var admin = member.getAdminProfile();
                 if (admin != null) {
                     builder.name(admin.getName())
-                            .university(admin.getUniversity().getDisplayName())
-                            .department(admin.getDepartment().getDisplayName())
-                            .major(admin.getMajor().getDisplayName());
+                            .university(admin.getUniversity() != null ? admin.getUniversity().getDisplayName() : null)
+                            .department(admin.getDepartment() != null ? admin.getDepartment().getDisplayName() : null)
+                            .major(admin.getMajor() != null ? admin.getMajor().getDisplayName() : null);
                 }
             }
             case PARTNER -> {
diff --git a/src/main/java/com/assu/server/global/apiPayload/code/status/ErrorStatus.java b/src/main/java/com/assu/server/global/apiPayload/code/status/ErrorStatus.java
index fb776e8..af3be54 100644
--- a/src/main/java/com/assu/server/global/apiPayload/code/status/ErrorStatus.java
+++ b/src/main/java/com/assu/server/global/apiPayload/code/status/ErrorStatus.java
@@ -32,6 +32,7 @@ public enum ErrorStatus implements BaseErrorCode {
 
     // 알리고 SMS 전송 관련 에러
     FAILED_TO_SEND_SMS(HttpStatus.INTERNAL_SERVER_ERROR, "ALIGO500", "알리고 SMS 전송에 실패했습니다."),
+    FAILED_TO_PARSE_ALIGO(HttpStatus.INTERNAL_SERVER_ERROR, "ALIGO500", "알리고 SMS 파싱에 실패했습니다."),
 
     // 인증 에러
     NOT_VERIFIED_PHONE_NUMBER(HttpStatus.BAD_REQUEST,"AUTH_4007","전화번호 인증에 실패했습니다."),
diff --git a/src/main/java/com/assu/server/infra/aligo/client/AligoSmsClient.java b/src/main/java/com/assu/server/infra/aligo/client/AligoSmsClient.java
index 9578538..d5c89c0 100644
--- a/src/main/java/com/assu/server/infra/aligo/client/AligoSmsClient.java
+++ b/src/main/java/com/assu/server/infra/aligo/client/AligoSmsClient.java
@@ -6,6 +6,7 @@
 import com.assu.server.infra.aligo.exception.AligoException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.MediaType;
 import org.springframework.stereotype.Component;
@@ -13,7 +14,9 @@
 import org.springframework.util.MultiValueMap;
 import org.springframework.web.reactive.function.BodyInserters;
 import org.springframework.web.reactive.function.client.WebClient;
+import reactor.core.publisher.Mono;
 
+@Slf4j
 @Component
 @RequiredArgsConstructor
 public class AligoSmsClient {
@@ -47,13 +50,21 @@ public AligoSendResponse sendSms(String phoneNumber, String message, String name
                 .contentType(MediaType.APPLICATION_FORM_URLENCODED)
                 .body(BodyInserters.fromFormData(params))
                 .retrieve()
+                .onStatus(
+                        status -> status.is4xxClientError() || status.is5xxServerError(),
+                        clientResponse -> clientResponse.bodyToMono(String.class).flatMap(errorBody -> {
+                            log.error("Aligo API 호출 실패. status={}, body={}", clientResponse.statusCode(), errorBody);
+                            return Mono.error(new AligoException(ErrorStatus.FAILED_TO_SEND_SMS));
+                        })
+                )
                 .bodyToMono(String.class)
-                .block(); // 동기로 변환
+                .block();
 
         try {
             return objectMapper.readValue(body, AligoSendResponse.class);
         } catch (Exception e) {
-            throw new AligoException(ErrorStatus.FAILED_TO_SEND_SMS);
+            log.error("Aligo 응답 파싱 실패. 원본 body: {}", body, e);
+            throw new AligoException(ErrorStatus.FAILED_TO_PARSE_ALIGO);
         }
     }
 }
diff --git a/src/main/java/com/assu/server/infra/aligo/dto/AligoSendResponse.java b/src/main/java/com/assu/server/infra/aligo/dto/AligoSendResponse.java
index 2e77e7b..0b90348 100644
--- a/src/main/java/com/assu/server/infra/aligo/dto/AligoSendResponse.java
+++ b/src/main/java/com/assu/server/infra/aligo/dto/AligoSendResponse.java
@@ -7,4 +7,7 @@ public class AligoSendResponse {
     private String result_code; // 성공 여부
     private String message;     // 결과 메시지
     private String msg_id;      // 메시지 ID
+    private String success_cnt; // 성공 개수
+    private String error_cnt;   // 에러 개수
+    private String msg_type;    // 메시지 타입
 }