diff --git a/src/main/java/com/eactive/eai/custom/inbound/processor/DJBRequestProcessor.java b/src/main/java/com/eactive/eai/custom/inbound/processor/DJBRequestProcessor.java
index 8e7c133..d356c6b 100644
--- a/src/main/java/com/eactive/eai/custom/inbound/processor/DJBRequestProcessor.java
+++ b/src/main/java/com/eactive/eai/custom/inbound/processor/DJBRequestProcessor.java
@@ -1,11 +1,14 @@
 package com.eactive.eai.custom.inbound.processor;
 
+import java.util.Properties;
+
 import org.apache.commons.lang3.StringUtils;
 
 import com.eactive.eai.common.inflow.Bucket;
 import com.eactive.eai.common.inflow.InflowTargetVO;
 import com.eactive.eai.common.inflow.dual.DualBucket;
 import com.eactive.eai.common.inflow.dual.DualCustomBucket;
+import com.eactive.eai.common.message.EAIMessage;
 import com.eactive.eai.custom.inflow.ClientDualBucket;
 import com.eactive.eai.inbound.processor.RequestProcessor;
 
@@ -23,7 +26,8 @@ import com.eactive.eai.inbound.processor.RequestProcessor;
 public class DJBRequestProcessor extends RequestProcessor {
 
     @Override
-    protected String checkClientInflow(Bucket bucket, String clientId) {
+    protected String checkCustomInflow(Bucket bucket, EAIMessage eaiMsg, Properties prop) {
+        String clientId = eaiMsg.getClientId();
         if (StringUtils.isBlank(clientId)) return null;
         if (bucket instanceof ClientDualBucket) {
             return ((ClientDualBucket) bucket).isClientPassDetail(clientId);
@@ -32,9 +36,9 @@ public class DJBRequestProcessor extends RequestProcessor {
     }
 
     @Override
-    protected InflowTargetVO resolveClientInflowThreshold(Bucket bucket, String clientId) {
+    protected InflowTargetVO resolveCustomInflowThreshold(Bucket bucket, EAIMessage eaiMsg, Properties prop) {
         if (bucket instanceof ClientDualBucket) {
-            return ((ClientDualBucket) bucket).getClientInflowThreshold(clientId);
+            return ((ClientDualBucket) bucket).getClientInflowThreshold(eaiMsg.getClientId());
         }
         return null;
     }
diff --git a/src/test/java/com/eactive/eai/custom/inbound/processor/DJBRequestProcessorTest.java b/src/test/java/com/eactive/eai/custom/inbound/processor/DJBRequestProcessorTest.java
index 84cf054..2c38e58 100644
--- a/src/test/java/com/eactive/eai/custom/inbound/processor/DJBRequestProcessorTest.java
+++ b/src/test/java/com/eactive/eai/custom/inbound/processor/DJBRequestProcessorTest.java
@@ -8,6 +8,8 @@ import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import java.util.Properties;
+
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.springframework.context.ApplicationContext;
@@ -17,6 +19,7 @@ import com.eactive.eai.common.inflow.Bucket;
 import com.eactive.eai.common.inflow.InflowTargetVO;
 import com.eactive.eai.common.inflow.dual.DualBucket;
 import com.eactive.eai.common.inflow.dual.DualCustomBucket;
+import com.eactive.eai.common.message.EAIMessage;
 import com.eactive.eai.common.server.EAIServerManager;
 import com.eactive.eai.common.util.ApplicationContextProvider;
 import com.eactive.eai.custom.inflow.ClientDualBucket;
@@ -53,6 +56,12 @@ class DJBRequestProcessorTest {
         return vo;
     }
 
+    private EAIMessage mockEaiMsg(String clientId) {
+        EAIMessage msg = mock(EAIMessage.class);
+        when(msg.getClientId()).thenReturn(clientId);
+        return msg;
+    }
+
     // -------------------------------------------------------------------------
     // checkAdapterInflow
     // -------------------------------------------------------------------------
@@ -148,43 +157,43 @@ class DJBRequestProcessorTest {
     }
 
     // -------------------------------------------------------------------------
-    // checkClientInflow — ClientDualBucket 기반
+    // checkCustomInflow — ClientDualBucket 기반
     // -------------------------------------------------------------------------
 
     @Test
-    void checkClientInflow_clientDualBucket_pass_returnsNull() {
+    void checkCustomInflow_clientDualBucket_pass_returnsNull() {
         DJBRequestProcessor processor = new DJBRequestProcessor();
         ClientDualBucket mockBucket = mock(ClientDualBucket.class);
         when(mockBucket.isClientPassDetail("CLIENT_A")).thenReturn(null);
 
-        assertNull(processor.checkClientInflow(mockBucket, "CLIENT_A"));
+        assertNull(processor.checkCustomInflow(mockBucket, mockEaiMsg("CLIENT_A"), new Properties()));
         verify(mockBucket).isClientPassDetail("CLIENT_A");
     }
 
     @Test
-    void checkClientInflow_clientDualBucket_blocked() {
+    void checkCustomInflow_clientDualBucket_blocked() {
         DJBRequestProcessor processor = new DJBRequestProcessor();
         ClientDualBucket mockBucket = mock(ClientDualBucket.class);
         when(mockBucket.isClientPassDetail("CLIENT_A")).thenReturn(DualCustomBucket.RESULT_BLOCKED_THRESHOLD);
 
         assertEquals(DualCustomBucket.RESULT_BLOCKED_THRESHOLD,
-                processor.checkClientInflow(mockBucket, "CLIENT_A"));
+                processor.checkCustomInflow(mockBucket, mockEaiMsg("CLIENT_A"), new Properties()));
     }
 
     @Test
-    void checkClientInflow_nonClientDualBucket_returnsNull() {
+    void checkCustomInflow_nonClientDualBucket_returnsNull() {
         DJBRequestProcessor processor = new DJBRequestProcessor();
         Bucket mockBucket = mock(Bucket.class);
 
-        assertNull(processor.checkClientInflow(mockBucket, "CLIENT_A"));
+        assertNull(processor.checkCustomInflow(mockBucket, mockEaiMsg("CLIENT_A"), new Properties()));
     }
 
     @Test
-    void checkClientInflow_blankClientId_returnsNull() {
+    void checkCustomInflow_blankClientId_returnsNull() {
         DJBRequestProcessor processor = new DJBRequestProcessor();
         ClientDualBucket mockBucket = mock(ClientDualBucket.class);
 
-        assertNull(processor.checkClientInflow(mockBucket, ""));
+        assertNull(processor.checkCustomInflow(mockBucket, mockEaiMsg(""), new Properties()));
         verify(mockBucket, never()).isClientPassDetail(any());
     }