diff --git a/inlong-audit/audit-service/src/main/java/org/apache/inlong/audit/service/cache/AuditProxyCache.java b/inlong-audit/audit-service/src/main/java/org/apache/inlong/audit/service/cache/AuditProxyCache.java
index 967bae5b2f..6cf91f755e 100644
--- a/inlong-audit/audit-service/src/main/java/org/apache/inlong/audit/service/cache/AuditProxyCache.java
+++ b/inlong-audit/audit-service/src/main/java/org/apache/inlong/audit/service/cache/AuditProxyCache.java
@@ -34,7 +34,6 @@
 
 import static org.apache.inlong.audit.entity.AuditComponent.AGENT;
 import static org.apache.inlong.audit.entity.AuditComponent.DATAPROXY;
-import static org.apache.inlong.audit.entity.AuditComponent.PUBLIC_NETWORK;
 import static org.apache.inlong.audit.entity.AuditComponent.SORT;
 
 public class AuditProxyCache {
@@ -79,9 +78,6 @@ private Map<String, String> getProxyConfigs() {
         proxyConfigs.put(SORT.getComponent(),
                 config.get(ProxyConstants.KEY_AUDIT_PROXY_ADDRESS_SORT,
                         ProxyConstants.DEFAULT_AUDIT_PROXY_ADDRESS_SORT));
-        proxyConfigs.put(PUBLIC_NETWORK.getComponent(),
-                config.get(ProxyConstants.KEY_AUDIT_PROXY_ADDRESS_PUBLIC_NETWORK,
-                        ProxyConstants.DEFAULT_AUDIT_PROXY_ADDRESS_PUBLIC_NETWORK));
         return proxyConfigs;
     }