diff --git a/src/main/java/com/torchv/infra/unstructured/UnstructuredParser.java b/src/main/java/com/torchv/infra/unstructured/UnstructuredParser.java
index e4cf1cd03f6bd88963fefbdda6700f999e6ba521..53d453c654b787a364b1d3d924d54f869a5c7032 100644
--- a/src/main/java/com/torchv/infra/unstructured/UnstructuredParser.java
+++ b/src/main/java/com/torchv/infra/unstructured/UnstructuredParser.java
@@ -96,6 +96,22 @@ public class UnstructuredParser {
         }
         return toMarkdown(file.getAbsolutePath());
     }
+
+    /**
+     * 将输入流转换为Markdown格式的字符串
+     *
+     * @param inputStream 输入流
+     * @param fileName    文件名，用于检测格式
+     * @return 转换后的Markdown字符串
+     * @throws UnsupportedOperationException 当文件格式不支持时抛出异常
+     */
+    public static String toMarkdown(InputStream inputStream, String fileName) {
+        // 根据文件名检测格式
+        if (!isWordExtension(fileName)) {
+            throw new UnsupportedOperationException("暂不支持的文件格式: " + fileName);
+        }
+        return UnstructuredWord.toMarkdown(inputStream, fileName);
+    }
     
     /**
      * 解析文档为Markdown格式（保留表格的HTML结构）
@@ -160,7 +176,7 @@ public class UnstructuredParser {
      */
     public static DocumentResult toStructuredResult(InputStream inputStream, String fileName) {
         // 根据文件名检测格式
-        if (isWordDocument(fileName)) {
+        if (isWordExtension(fileName)) {
             return UnstructuredWord.toStructuredResult(inputStream, fileName);
         }
         // TODO: 添加其他格式的支持
diff --git a/src/main/java/com/torchv/infra/unstructured/util/UnstructuredUtils.java b/src/main/java/com/torchv/infra/unstructured/util/UnstructuredUtils.java
index 722cd681d6c5828fe30e099361eabd575b74f27a..ef269d538aeaf22fe49f57cae1b1fcda50d434ef 100644
--- a/src/main/java/com/torchv/infra/unstructured/util/UnstructuredUtils.java
+++ b/src/main/java/com/torchv/infra/unstructured/util/UnstructuredUtils.java
@@ -84,8 +84,18 @@ public class UnstructuredUtils {
             return false;
         }
         
-        String fileName = file.getName().toLowerCase();
-        return fileName.endsWith(".docx") || fileName.endsWith(".doc");
+        return isWordExtension(file.getName());
+    }
+    
+    /**
+     * 判断文件是否为Word文档名扩展名
+     *
+     * @param fileName 文件名
+     * @return 如果是docx / doc 返回true，否则返回false
+     */
+    public static boolean isWordExtension(String fileName) {
+        String extension = getFileExtension(fileName.toLowerCase());
+        return "docx".equals(extension) || "doc".equals(extension);
     }
     
     /**
diff --git a/src/test/java/com/torchv/infra/unstructured/WordParserTest.java b/src/test/java/com/torchv/infra/unstructured/WordParserTest.java
index b58502725b53d90fb746ec8671e53e6ca0510a4b..6f9348acbbc1a9a23d398113e9b9d1d967d46df3 100644
--- a/src/test/java/com/torchv/infra/unstructured/WordParserTest.java
+++ b/src/test/java/com/torchv/infra/unstructured/WordParserTest.java
@@ -17,12 +17,17 @@
 
 package com.torchv.infra.unstructured;
 
+import cn.hutool.core.io.FileUtil;
 import com.torchv.infra.unstructured.core.DocumentResult;
 import lombok.extern.slf4j.Slf4j;
 import org.junit.Test;
 
+import java.io.BufferedInputStream;
+import java.io.File;
 import java.util.List;
 
+import static org.junit.Assert.*;
+
 /**
  * @author <a href="xiaoymin@foxmail.com">xiaoymin@foxmail.com</a>
  * 2025/7/19 23:11
@@ -86,4 +91,32 @@ public class WordParserTest {
         // 获取结构化结果，提供更多控制
         
     }
+
+    /**
+     * 测试解析doc文件为markdown格式
+     */
+    @Test
+    public void test_parse_4() {
+        String filePath = "src/test/resources/docs/test.doc";
+        String name = FileUtil.getName(filePath);
+        BufferedInputStream inputStream = FileUtil.getInputStream(new File(filePath));
+        String content = UnstructuredParser.toMarkdown(inputStream,name);
+        log.info(content);
+    }
+
+    /**
+     * 测试通过输入流转换为结构化结果
+     *
+     * @throws Exception 测试过程中可能抛出的异常
+     */
+    @Test
+    public void test_structured_result_by_stream(){
+        String filePath = "src/test/resources/docs/test.docx";
+        BufferedInputStream inputStream = FileUtil.getInputStream(new File(filePath));
+        String name = FileUtil.getName(filePath);
+        DocumentResult structuredResult = UnstructuredParser.toStructuredResult(inputStream, name);
+        log.info(structuredResult.getContent());
+        assertNotNull(structuredResult);
+    }
+
 }