diff --git a/backend/src/main/java/heartbeat/client/decoder/BuildKiteFeignClientDecoder.java b/backend/src/main/java/heartbeat/client/decoder/BuildKiteFeignClientDecoder.java
index 8bd0415a0e..c7706925ae 100644
--- a/backend/src/main/java/heartbeat/client/decoder/BuildKiteFeignClientDecoder.java
+++ b/backend/src/main/java/heartbeat/client/decoder/BuildKiteFeignClientDecoder.java
@@ -11,26 +11,14 @@ public class BuildKiteFeignClientDecoder implements ErrorDecoder {
 
 	@Override
 	public Exception decode(String methodKey, Response response) {
-		String errorMessage = "";
-		switch (methodKey) {
-			case "getTokenInfo":
-				errorMessage = "Failed to get token info";
-				break;
-			case "getBuildKiteOrganizationsInfo":
-				errorMessage = "Failed to get BuildKite OrganizationsInfo info";
-				break;
-			case "getPipelineInfo":
-				errorMessage = "Failed to get pipeline info";
-				break;
-			case "getPipelineSteps":
-				errorMessage = "Failed to get pipeline steps";
-				break;
-			case "getPipelineStepsInfo":
-				errorMessage = "Failed to get pipeline steps info";
-				break;
-			default:
-				break;
-		}
+		String errorMessage = switch (methodKey) {
+			case "getTokenInfo" -> "Failed to get token info";
+			case "getBuildKiteOrganizationsInfo" -> "Failed to get BuildKite OrganizationsInfo info";
+			case "getPipelineInfo" -> "Failed to get pipeline info";
+			case "getPipelineSteps" -> "Failed to get pipeline steps";
+			case "getPipelineStepsInfo" -> "Failed to get pipeline steps info";
+			default -> "Failed to get buildkite info";
+		};
 
 		log.error("Failed to get BuildKite info_response status: {}, method key: {}", response.status(), methodKey);
 		HttpStatus statusCode = HttpStatus.valueOf(response.status());
diff --git a/backend/src/main/java/heartbeat/client/decoder/GitHubFeignClientDecoder.java b/backend/src/main/java/heartbeat/client/decoder/GitHubFeignClientDecoder.java
index 92d10d9796..a71b1c8b57 100644
--- a/backend/src/main/java/heartbeat/client/decoder/GitHubFeignClientDecoder.java
+++ b/backend/src/main/java/heartbeat/client/decoder/GitHubFeignClientDecoder.java
@@ -11,26 +11,14 @@ public class GitHubFeignClientDecoder implements ErrorDecoder {
 
 	@Override
 	public Exception decode(String methodKey, Response response) {
-		String errorMessage = "";
-		switch (methodKey) {
-			case "verifyToken":
-				errorMessage = "Failed to verify token";
-				break;
-			case "verifyCanReadTargetBranch":
-				errorMessage = "Failed to verify canRead target branch";
-				break;
-			case "getCommitInfo":
-				errorMessage = "Failed to get commit info";
-				break;
-			case "getPullRequestCommitInfo":
-				errorMessage = "Failed to get pull request commit info";
-				break;
-			case "getPullRequestListInfo":
-				errorMessage = "Failed to get pull request list info";
-				break;
-			default:
-				break;
-		}
+		String errorMessage = switch (methodKey) {
+			case "verifyToken" -> "Failed to verify token";
+			case "verifyCanReadTargetBranch" -> "Failed to verify canRead target branch";
+			case "getCommitInfo" -> "Failed to get commit info";
+			case "getPullRequestCommitInfo" -> "Failed to get pull request commit info";
+			case "getPullRequestListInfo" -> "Failed to get pull request list info";
+			default -> "Failed to get github info";
+		};
 
 		log.error("Failed to get GitHub info_response status: {}, method key: {}", response.status(), methodKey);
 		HttpStatus statusCode = HttpStatus.valueOf(response.status());
diff --git a/backend/src/main/java/heartbeat/client/decoder/JiraFeignClientDecoder.java b/backend/src/main/java/heartbeat/client/decoder/JiraFeignClientDecoder.java
index ab9bc4c1da..8af55eed41 100644
--- a/backend/src/main/java/heartbeat/client/decoder/JiraFeignClientDecoder.java
+++ b/backend/src/main/java/heartbeat/client/decoder/JiraFeignClientDecoder.java
@@ -11,32 +11,16 @@ public class JiraFeignClientDecoder implements ErrorDecoder {
 
 	@Override
 	public Exception decode(String methodKey, Response response) {
-		String errorMessage = "";
-		switch (methodKey) {
-			case "getJiraBoardConfiguration":
-				errorMessage = "Failed to get jira board configuration";
-				break;
-			case "getColumnStatusCategory":
-				errorMessage = "Failed to get column status category";
-				break;
-			case "getJiraCards":
-				errorMessage = "Failed to get jira cards";
-				break;
-			case "getJiraCardHistoryByCount":
-				errorMessage = "Failed to get jira card history by count";
-				break;
-			case "getTargetField":
-				errorMessage = "Failed to get target field";
-				break;
-			case "getBoard":
-				errorMessage = "Failed to get board";
-				break;
-			case "getProject":
-				errorMessage = "Failed to get project";
-				break;
-			default:
-				break;
-		}
+		String errorMessage = switch (methodKey) {
+			case "getJiraBoardConfiguration" -> "Failed to get jira board configuration";
+			case "getColumnStatusCategory" -> "Failed to get column status category";
+			case "getJiraCards" -> "Failed to get jira cards";
+			case "getJiraCardHistoryByCount" -> "Failed to get jira card history by count";
+			case "getTargetField" -> "Failed to get target field";
+			case "getBoard" -> "Failed to get board";
+			case "getProject" -> "Failed to get project";
+			default -> "Failed to get jira info";
+		};
 
 		log.error("Failed to get Jira info_response status: {}, method key: {}", response.status(), methodKey);
 		HttpStatus statusCode = HttpStatus.valueOf(response.status());