diff --git a/sop-test/src/main/java/com/gitee/sop/test/Client.java b/sop-test/src/main/java/com/gitee/sop/test/Client.java
index 3d641df8..ec25a65d 100644
--- a/sop-test/src/main/java/com/gitee/sop/test/Client.java
+++ b/sop-test/src/main/java/com/gitee/sop/test/Client.java
@@ -117,6 +117,40 @@ public class Client {
         return responseData;
     }
 
+    /**
+     * 发送请求
+     *
+     * @param requestBuilder 请求信息
+     * @return 返回结果
+     */
+    public InputStream download(RequestBuilder requestBuilder) {
+        RequestInfo requestInfo = requestBuilder.build(appId, privateKey);
+        HttpTool.HTTPMethod httpMethod = requestInfo.getHttpMethod();
+        boolean postJson = requestInfo.isPostJson();
+        Map<String, ?> form = requestInfo.getForm();
+        Map<String, String> header = requestInfo.getHeader();
+        String requestUrl = requestInfo.getUrl() != null ? requestInfo.getUrl() : url;
+        List<HttpTool.UploadFile> uploadFileList = requestBuilder.getUploadFileList();
+        InputStream responseData = null;
+        // 发送请求
+        try {
+            // 如果有上传文件
+            if (uploadFileList != null && uploadFileList.size() > 0) {
+                responseData = httpTool.downloadByRequestFile(url, form, header, uploadFileList);
+            } else {
+                if (httpMethod == HttpTool.HTTPMethod.POST && postJson) {
+                    responseData = httpTool.downloadJson(requestUrl, JSON.toJSONString(form), header);
+                } else {
+                    responseData = httpTool.download(requestUrl, form, header, httpMethod);
+                }
+            }
+
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        return responseData;
+    }
+
     public interface Callback {
         /**
          * 请求成功后回调
@@ -127,6 +161,16 @@ public class Client {
         void callback(RequestInfo requestInfo, String responseData);
     }
 
+    public interface DownloadCallback {
+        /**
+         * 请求成功后回调
+         *
+         * @param requestInfo  请求信息
+         * @param responseData 返回结果
+         */
+        void callback(RequestInfo requestInfo, InputStream responseData);
+    }
+
     public static class RequestBuilder {
         private static final String DEFAULT_VERSION = "1.0";
 
diff --git a/sop-test/src/main/java/com/gitee/sop/test/HttpTool.java b/sop-test/src/main/java/com/gitee/sop/test/HttpTool.java
index 55145558..a8f78454 100644
--- a/sop-test/src/main/java/com/gitee/sop/test/HttpTool.java
+++ b/sop-test/src/main/java/com/gitee/sop/test/HttpTool.java
@@ -130,6 +130,28 @@ public class HttpTool {
         }
     }
 
+    /**
+     * 下载文件
+     *
+     * @param url    url
+     * @param form   参数
+     * @param header header
+     * @param method 请求方式，post，get等
+     * @return
+     * @throws IOException
+     */
+    public InputStream download(String url, Map<String, ?> form, Map<String, String> header, HTTPMethod method) throws IOException {
+        Request.Builder requestBuilder = buildRequestBuilder(url, form, method);
+        // 添加header
+        addHeader(requestBuilder, header);
+
+        Request request = requestBuilder.build();
+        Response response = httpClient
+                .newCall(request)
+                .execute();
+        return response.body().byteStream();
+    }
+
     /**
      * 请求json数据，contentType=application/json
      * @param url 请求路径
@@ -157,6 +179,29 @@ public class HttpTool {
         }
     }
 
+    /**
+     * 请求json数据，contentType=application/json
+     * @param url 请求路径
+     * @param json json数据
+     * @param header header
+     * @return 返回响应结果
+     * @throws IOException
+     */
+    public InputStream downloadJson(String url, String json, Map<String, String> header) throws IOException {
+        RequestBody body = RequestBody.create(MEDIA_TYPE_JSON, json);
+        Request.Builder requestBuilder = new Request.Builder()
+                .url(url)
+                .post(body);
+        // 添加header
+        addHeader(requestBuilder, header);
+
+        Request request = requestBuilder.build();
+        Response response = httpClient
+                .newCall(request)
+                .execute();
+        return response.body().byteStream();
+    }
+
     public static Request.Builder buildRequestBuilder(String url, Map<String, ?> form, HTTPMethod method) {
         switch (method) {
             case GET:
@@ -244,6 +289,48 @@ public class HttpTool {
         }
     }
 
+    /**
+     * 上传文件，然后下载文件
+     *
+     * @param url
+     * @param form
+     * @param header
+     * @param files
+     * @return
+     * @throws IOException
+     */
+    public InputStream downloadByRequestFile(String url, Map<String, ?> form, Map<String, String> header, List<UploadFile> files)
+            throws IOException {
+        // 创建MultipartBody.Builder，用于添加请求的数据
+        MultipartBody.Builder bodyBuilder = new MultipartBody.Builder();
+        bodyBuilder.setType(MultipartBody.FORM);
+
+        for (UploadFile uploadFile : files) {
+            // 请求的名字
+            bodyBuilder.addFormDataPart(uploadFile.getName(),
+                    // 文件的文字，服务器端用来解析的
+                    uploadFile.getFileName(),
+                    // 创建RequestBody，把上传的文件放入
+                    RequestBody.create(null, uploadFile.getFileData())
+            );
+        }
+
+        for (Map.Entry<String, ?> entry : form.entrySet()) {
+            bodyBuilder.addFormDataPart(entry.getKey(), String.valueOf(entry.getValue()));
+        }
+
+        RequestBody requestBody = bodyBuilder.build();
+
+        Request.Builder builder = new Request.Builder().url(url).post(requestBody);
+
+        // 添加header
+        addHeader(builder, header);
+
+        Request request = builder.build();
+        Response response = httpClient.newCall(request).execute();
+        return response.body().byteStream();
+    }
+
     /**
      * 请求数据
      *
@@ -318,7 +405,7 @@ public class HttpTool {
         /** http DELETE */
         DELETE;
 
-        private HTTPMethod() {
+        HTTPMethod() {
         }
 
         public String value() {
diff --git a/sop-test/src/test/java/com/gitee/sop/test/AllInOneTest.java b/sop-test/src/test/java/com/gitee/sop/test/AllInOneTest.java
index a6034f43..70c3d98e 100644
--- a/sop-test/src/test/java/com/gitee/sop/test/AllInOneTest.java
+++ b/sop-test/src/test/java/com/gitee/sop/test/AllInOneTest.java
@@ -2,9 +2,12 @@ package com.gitee.sop.test;
 
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
+import org.apache.commons.io.IOUtils;
 import org.junit.Assert;
 
 import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
 import java.util.HashMap;
 import java.util.Optional;
 import java.util.concurrent.CountDownLatch;
@@ -247,6 +250,23 @@ public class AllInOneTest extends TestBase {
         client.execute(requestBuilder);
     }
 
+    /**
+     * 下载文件
+     */
+    public void testDownloadFile() throws IOException {
+        Client.RequestBuilder requestBuilder = new Client.RequestBuilder()
+                .method("story.download")
+                .version("1.0")
+                .bizContent(new BizContent().add("id",1).add("name","Jim"))
+                .httpMethod(HttpTool.HTTPMethod.GET);
+
+        // 文件流
+        InputStream download = client.download(requestBuilder);
+        String content = IOUtils.toString(download, "UTF-8");
+        System.out.println("下载文件内容：" + content);
+        Assert.assertEquals(content, "spring.profiles.active=dev");
+    }
+
     /**
      * 验证中文乱码问题
      */