diff --git a/WebContent/js/djb/apispec/app.js b/WebContent/js/djb/apispec/app.js
index e2142f4..ca60197 100644
--- a/WebContent/js/djb/apispec/app.js
+++ b/WebContent/js/djb/apispec/app.js
@@ -1004,7 +1004,9 @@
           ['sample', 'mock', 'gw'].map(v =>
             `<label class="inline-flex items-center gap-1 text-sm mr-3"><input type="radio" name="portal-rt" data-portal-rt="${v}" ${rt === v ? 'checked' : ''}> ${v === 'gw' ? 'GW' : v}</label>`
           ).join('') +
-          `<div class="mt-2 text-xs text-slate-500">실제 호출 주소: <code id="resolved-call-url" class="font-mono text-slate-700 break-all">${escapeHtml(resolvedCallUrl())}</code></div>` +
+          (rt === 'sample'
+            ? `<div class="mt-2 text-xs text-slate-500">응답 샘플을 바로 리턴합니다.</div>`
+            : `<div class="mt-2 text-xs text-slate-500">실제 호출 주소: <code id="resolved-call-url" class="font-mono text-slate-700 break-all">${escapeHtml(resolvedCallUrl())}</code></div>`) +
           (rt === 'gw' ? `<div class="mt-1 text-xs text-slate-400">GW 주소는 포탈 설정(PTL_PROPERTY, 그룹 Portal)의 <code class="font-mono">djb.gateway.base-url</code> 값을 사용합니다.</div>` : '') +
           '</div>') +
         (rt === 'mock' ? fieldRow('Mock Server URL', input(p.mockUrl || '', 'data-portal="mockUrl"', { placeholder: 'https://mock.example.com' }), { hint: 'Mock 응답을 제공할 서버의 기본 URL. 응답 유형이 Mock 일 때 개발자포탈이 이 주소로 요청을 전달하고, Swagger 스펙의 서버 주소로도 사용됩니다.' }) : '')
diff --git a/WebContent/jsp/onl/transaction/apim/apiInterfaceManDetail.jsp b/WebContent/jsp/onl/transaction/apim/apiInterfaceManDetail.jsp
index d3a6bf7..29e16da 100644
--- a/WebContent/jsp/onl/transaction/apim/apiInterfaceManDetail.jsp
+++ b/WebContent/jsp/onl/transaction/apim/apiInterfaceManDetail.jsp
@@ -1545,9 +1545,9 @@
             <button type="button" class="cssbtn" id="btn_delete" level="W" status="DETAIL"><i class="material-icons">delete</i> <%= localeMessage.getString("button.delete") %></button>
             <button type="button" class="cssbtn" id="btn_modify" level="R" status="DETAIL,NEW"><i class="material-icons">save</i> <%= localeMessage.getString("button.modify") %></button>
             <!-- v1: 기존 API 스펙 (모달) — 기능 비교용 복원 -->
-            <button type="button" class="cssbtn" id="btn_api_spec" level="R" status="DETAIL,NEW"><i class="material-icons">description</i> API 스펙(삭제예정)</button>
+            <button type="button" class="cssbtn" id="btn_api_spec" level="R" status="DETAIL"><i class="material-icons">description</i> API 스펙(삭제예정)</button>
             <!-- v2: 신규 OpenAPI Spec (새 탭) -->
-            <button type="button" class="cssbtn" id="btn_openapi_spec" level="R" status="DETAIL,NEW"><i class="material-icons">api</i> OpenAPI Spec</button>
+            <button type="button" class="cssbtn" id="btn_openapi_spec" level="R" status="DETAIL"><i class="material-icons">api</i> OpenAPI Spec</button>
             <button type="button" class="cssbtn" id="btn_previous" level="R" status="DETAIL,NEW"><i class="material-icons">arrow_back</i> <%= localeMessage.getString("button.previous") %></button>
         </div>
         <div class="title" id="title" style="font-size:1.4em">${rmsMenuName}</div>
diff --git a/src/main/java/com/eactive/eai/rms/common/context/MonitoringContextImpl.java b/src/main/java/com/eactive/eai/rms/common/context/MonitoringContextImpl.java
index cb67ded..633413c 100644
--- a/src/main/java/com/eactive/eai/rms/common/context/MonitoringContextImpl.java
+++ b/src/main/java/com/eactive/eai/rms/common/context/MonitoringContextImpl.java
@@ -36,7 +36,7 @@ class MonitoringContextImpl implements MonitoringContext {
 	@Autowired
 	private MonitoringContextDAO monitoringContextDAO;
 
-	private Properties properties = null;
+	private Properties properties = new Properties();
 
 	private String instancePropertyGroupName;
 
@@ -73,7 +73,10 @@ class MonitoringContextImpl implements MonitoringContext {
 			String hostIp = InetAddress.getLocalHost().getHostAddress();
 			this.instancePropertyGroupName = String
 					.format(MonitoringPropertyGroupService.MONITORING_PROPERTY_KEY_FORMAT, hostIp);
-			this.properties = monitoringContextDAO.getProperties(instancePropertyGroupName);
+			Properties loaded = monitoringContextDAO.getProperties(instancePropertyGroupName);
+			if (loaded != null) {
+				this.properties = loaded;
+			}
 
 			String eaiAgentId = System.getProperty(EAI_AGENTID);
 			if (StringUtils.isBlank(eaiAgentId)) {
diff --git a/src/main/java/com/eactive/eai/rms/onl/transaction/apim/ApiSpecManService.java b/src/main/java/com/eactive/eai/rms/onl/transaction/apim/ApiSpecManService.java
index 967ff3a..c84e066 100644
--- a/src/main/java/com/eactive/eai/rms/onl/transaction/apim/ApiSpecManService.java
+++ b/src/main/java/com/eactive/eai/rms/onl/transaction/apim/ApiSpecManService.java
@@ -676,6 +676,7 @@ public class ApiSpecManService {
                 return "integer";
             case "DECIMAL":
             case "DOUBLE":
+            case "BIGDECIMAL":
                 return "number";
             case "BOOLEAN":
                 return "boolean";