diff --git a/hango-api-plane-server/src/main/java/org/hango/cloud/core/GlobalConfig.java b/hango-api-plane-server/src/main/java/org/hango/cloud/core/GlobalConfig.java
index 776a0cf5..e7733c6b 100644
--- a/hango-api-plane-server/src/main/java/org/hango/cloud/core/GlobalConfig.java
+++ b/hango-api-plane-server/src/main/java/org/hango/cloud/core/GlobalConfig.java
@@ -21,6 +21,9 @@ public class GlobalConfig {
     @Value("${telnet.connect.timeout:3000}")
     private Integer telnetConnectTimeout;
 
+    @Value("${customDefaultRespCode:500}")
+    private int customDefaultRespCode;
+
     public String getResourceNamespace() {
         return resourceNamespace;
     }
@@ -40,4 +43,8 @@ public String getApiPlaneVersion() {
     public Integer getTelnetConnectTimeout() {
         return telnetConnectTimeout;
     }
+
+    public int getCustomDefaultRespCode() {
+        return customDefaultRespCode;
+    }
 }
diff --git a/hango-api-plane-server/src/main/java/org/hango/cloud/core/gateway/GatewayIstioModelEngine.java b/hango-api-plane-server/src/main/java/org/hango/cloud/core/gateway/GatewayIstioModelEngine.java
index 197adf7e..3cc2c570 100644
--- a/hango-api-plane-server/src/main/java/org/hango/cloud/core/gateway/GatewayIstioModelEngine.java
+++ b/hango-api-plane-server/src/main/java/org/hango/cloud/core/gateway/GatewayIstioModelEngine.java
@@ -121,6 +121,9 @@ public List<K8sResourcePack> translate(API api, boolean simple) {
                     .map(FragmentHolder::getVirtualServiceFragment)
                     .collect(Collectors.toList());
         }
+        if (NumberUtils.INTEGER_ZERO.equals(api.getCustomDefaultRespCode())){
+            api.setCustomDefaultRespCode(globalConfig.getCustomDefaultRespCode());
+        }
         List<String> rawVirtualServices = renderTwiceModelProcessor
                 .process(apiVirtualService, api,
                         new PortalVirtualServiceAPIDataHandler(
diff --git a/hango-api-plane-server/src/main/java/org/hango/cloud/core/gateway/handler/APIDataHandler.java b/hango-api-plane-server/src/main/java/org/hango/cloud/core/gateway/handler/APIDataHandler.java
index 38ac1b0e..3bc3f8c4 100644
--- a/hango-api-plane-server/src/main/java/org/hango/cloud/core/gateway/handler/APIDataHandler.java
+++ b/hango-api-plane-server/src/main/java/org/hango/cloud/core/gateway/handler/APIDataHandler.java
@@ -85,6 +85,7 @@ public TemplateParams handleApi(API api) {
                 .put(VIRTUAL_SERVICE_REQUEST_HEADERS, api.getRequestOperation())
                 .put(VIRTUAL_SERVICE_VIRTUAL_CLUSTER_NAME, api.getVirtualClusterName())
                 .put(VIRTUAL_SERVICE_VIRTUAL_CLUSTER_HEADERS, getVirtualClusterHeaders(api))
+                .put(VIRTUAL_SERVICE_RESP_EXCEPTION_CODE, api.getCustomDefaultRespCode())
                 ;
 
         return handleApiMetaMap(api,tp);
diff --git a/hango-api-plane-server/src/main/java/org/hango/cloud/core/template/TemplateConst.java b/hango-api-plane-server/src/main/java/org/hango/cloud/core/template/TemplateConst.java
index e753e6d1..734727b9 100644
--- a/hango-api-plane-server/src/main/java/org/hango/cloud/core/template/TemplateConst.java
+++ b/hango-api-plane-server/src/main/java/org/hango/cloud/core/template/TemplateConst.java
@@ -76,6 +76,9 @@ public interface TemplateConst {
     String VIRTUAL_SERVICE_STATS = "t_virtual_service_stats";
     String VIRTUAL_SERVICE_DUBBO = "t_virtual_service_dubbo";
 
+    String VIRTUAL_SERVICE_RESP_EXCEPTION_CODE ="t_virtual_service_resp_exception_code";
+
+
     /**
      * ServiceInfo
      **/
diff --git a/hango-api-plane-server/src/main/java/org/hango/cloud/meta/API.java b/hango-api-plane-server/src/main/java/org/hango/cloud/meta/API.java
index 4835c3da..218ce0ba 100644
--- a/hango-api-plane-server/src/main/java/org/hango/cloud/meta/API.java
+++ b/hango-api-plane-server/src/main/java/org/hango/cloud/meta/API.java
@@ -225,6 +225,11 @@ public class API extends CommonModel {
      */
     private Map<String, String> metaMap;
 
+    private Long version;
+
+
+    private int customDefaultRespCode;
+
     public Service getMirrorTraffic() {
         return mirrorTraffic;
     }
@@ -529,4 +534,20 @@ public Map<String, String> getMetaMap() {
     public void setMetaMap(Map<String, String> metaMap) {
         this.metaMap = metaMap;
     }
+
+    public Long getVersion() {
+        return version;
+    }
+
+    public void setVersion(Long version) {
+        this.version = version;
+    }
+
+    public int getCustomDefaultRespCode() {
+        return customDefaultRespCode;
+    }
+
+    public void setCustomDefaultRespCode(int customDefaultRespCode) {
+        this.customDefaultRespCode = customDefaultRespCode;
+    }
 }
diff --git a/hango-api-plane-server/src/main/resources/template/gateway/api/virtualServiceMeta.ftl b/hango-api-plane-server/src/main/resources/template/gateway/api/virtualServiceMeta.ftl
index 7222afd4..4695bbbf 100644
--- a/hango-api-plane-server/src/main/resources/template/gateway/api/virtualServiceMeta.ftl
+++ b/hango-api-plane-server/src/main/resources/template/gateway/api/virtualServiceMeta.ftl
@@ -32,6 +32,9 @@ metadata:
 
 <#if t_virtual_service_dubbo_meta_service?has_content >
   proxy.upstreams.http.dubbo:
+    <#if t_virtual_service_resp_exception_code??>
+    resp_exception_code: ${t_virtual_service_resp_exception_code}
+    </#if>
     context:
       service: ${t_virtual_service_dubbo_meta_service}
       version: ${t_virtual_service_dubbo_meta_version}