diff --git a/src/main/java/com/eactive/eai/common/util/HttpAdapterExtraLogUtil.java b/src/main/java/com/eactive/eai/common/util/HttpAdapterExtraLogUtil.java
index 5e76a92..2797a88 100644
--- a/src/main/java/com/eactive/eai/common/util/HttpAdapterExtraLogUtil.java
+++ b/src/main/java/com/eactive/eai/common/util/HttpAdapterExtraLogUtil.java
@@ -2,6 +2,7 @@ package com.eactive.eai.common.util;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
@@ -111,7 +112,8 @@ public class HttpAdapterExtraLogUtil {
 
     public static List<HttpAdapterExtraHeaderVo> convertMapToListOfHttpAdapterExtraHeaderVo(Map<Object, Object> map) {
         return map.entrySet().stream()
-                .map(entry -> new HttpAdapterExtraHeaderVo(entry.getKey().toString(), entry.getValue().toString()))
+                .map(entry -> new HttpAdapterExtraHeaderVo(entry.getKey().toString(), entry.getValue() == null ? "" : entry.getValue().toString()))
                 .collect(Collectors.toList());
     }
+    
 }