diff --git a/dodam-infra/src/main/java/b1nd/dodaminfra/webclient/WebClientSupport.java b/dodam-infra/src/main/java/b1nd/dodaminfra/webclient/WebClientSupport.java
index 539cda4b..cd5ade6c 100644
--- a/dodam-infra/src/main/java/b1nd/dodaminfra/webclient/WebClientSupport.java
+++ b/dodam-infra/src/main/java/b1nd/dodaminfra/webclient/WebClientSupport.java
@@ -53,10 +53,12 @@ public <T, V> Mono<T> post(String url, V body, Class<T> responseClass, String...
     }
 
     private Function<ClientResponse, Mono<? extends Throwable>> onError() {
-        return response -> {
-            log.info("{}",response.statusCode());
-            throw new WebClientException(response.statusCode().value());
-        };
+        return response -> response.bodyToMono(String.class)
+                .flatMap(errorBody -> {
+                    log.info("Status Code: {}", response.statusCode());
+                    log.info("Error Body: {}", errorBody);
+                    return Mono.error(new WebClientException(response.statusCode().value()));
+                });
     }
 
     private Consumer<HttpHeaders> convertStringToHttpHeaders(String... headers) {