diff --git a/sop-common/sop-registry-api/src/main/java/com/gitee/sop/registryapi/bean/HttpTool.java b/sop-common/sop-registry-api/src/main/java/com/gitee/sop/registryapi/bean/HttpTool.java
index ddaed44f..378b699a 100644
--- a/sop-common/sop-registry-api/src/main/java/com/gitee/sop/registryapi/bean/HttpTool.java
+++ b/sop-common/sop-registry-api/src/main/java/com/gitee/sop/registryapi/bean/HttpTool.java
@@ -13,6 +13,7 @@ import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.RequestBody;
 import okhttp3.Response;
+import okhttp3.ResponseBody;
 import org.apache.commons.codec.digest.DigestUtils;
 
 import java.io.ByteArrayOutputStream;
@@ -51,14 +52,17 @@ public class HttpTool {
 
     protected void initHttpClient(HttpToolConfig httpToolConfig) {
         httpClient = new OkHttpClient.Builder()
-                .connectTimeout(httpToolConfig.connectTimeoutSeconds, TimeUnit.SECONDS) // 设置链接超时时间，默认10秒
+                // 设置链接超时时间，默认10秒
+                .connectTimeout(httpToolConfig.connectTimeoutSeconds, TimeUnit.SECONDS)
                 .readTimeout(httpToolConfig.readTimeoutSeconds, TimeUnit.SECONDS)
                 .writeTimeout(httpToolConfig.writeTimeoutSeconds, TimeUnit.SECONDS)
                 .cookieJar(new CookieJar() {
+                    @Override
                     public void saveFromResponse(HttpUrl httpUrl, List<Cookie> list) {
                         cookieStore.put(httpUrl.host(), list);
                     }
 
+                    @Override
                     public List<Cookie> loadForRequest(HttpUrl httpUrl) {
                         List<Cookie> cookies = cookieStore.get(httpUrl.host());
                         return cookies != null ? cookies : new ArrayList<Cookie>();
@@ -204,22 +208,24 @@ public class HttpTool {
      * @return
      * @throws IOException
      */
-    public String requestFile(String url, Map<String, String> form, Map<String, String> header, List<UploadFile> files)
+    public String requestFile(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) {
-            bodyBuilder.addFormDataPart(uploadFile.getName(), // 请求的名字
-                    uploadFile.getFileName(), // 文件的文字，服务器端用来解析的
-                    RequestBody.create(null, uploadFile.getFileData()) // 创建RequestBody，把上传的文件放入
+            // 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())
             );
         }
 
-        Set<Map.Entry<String, String>> entrySet = form.entrySet();
-        for (Map.Entry<String, String> entry : entrySet) {
-            bodyBuilder.addFormDataPart(entry.getKey(), entry.getValue());
+        for (Map.Entry<String, ?> entry : form.entrySet()) {
+            bodyBuilder.addFormDataPart(entry.getKey(), String.valueOf(entry.getValue()));
         }
 
         RequestBody requestBody = bodyBuilder.build();
@@ -238,6 +244,51 @@ public class HttpTool {
         }
     }
 
+    /**
+     * 请求数据
+     *
+     * @param url    请求url
+     * @param form   请求数据
+     * @param header header
+     * @return 返回Response
+     * @throws IOException
+     */
+    public Response requestForResponse(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();
+        return httpClient
+                .newCall(request)
+                .execute();
+    }
+
+    /**
+     * 下载文件
+     *
+     * @param url    请求url
+     * @param form   请求数据
+     * @param header header
+     * @return 返回文件流
+     * @throws IOException
+     */
+    public InputStream downloadFile(String url, Map<String, ?> form, Map<String, String> header) throws IOException {
+        Request.Builder requestBuilder = buildRequestBuilder(url, form, HTTPMethod.GET);
+        // 添加header
+        addHeader(requestBuilder, header);
+
+        Request request = requestBuilder.build();
+        Response response = httpClient
+                .newCall(request)
+                .execute();
+        if (response.isSuccessful()) {
+            ResponseBody body = response.body();
+            return body == null ? null : body.byteStream();
+        }
+        return null;
+    }
+
     private void addHeader(Request.Builder builder, Map<String, String> header) {
         if (header != null) {
             Set<Map.Entry<String, String>> entrySet = header.entrySet();
@@ -256,10 +307,15 @@ public class HttpTool {
     }
 
     public enum HTTPMethod {
+        /** http GET */
         GET,
+        /** http POST */
         POST,
+        /** http PUT */
         PUT,
+        /** http HEAD */
         HEAD,
+        /** http DELETE */
         DELETE;
 
         private HTTPMethod() {
diff --git a/sop-example/sop-story/sop-story-web/src/main/java/com/gitee/sop/storyweb/controller/DownloadController.java b/sop-example/sop-story/sop-story-web/src/main/java/com/gitee/sop/storyweb/controller/DownloadController.java
index 88e2091b..044f0c2d 100644
--- a/sop-example/sop-story/sop-story-web/src/main/java/com/gitee/sop/storyweb/controller/DownloadController.java
+++ b/sop-example/sop-story/sop-story-web/src/main/java/com/gitee/sop/storyweb/controller/DownloadController.java
@@ -2,15 +2,15 @@ package com.gitee.sop.storyweb.controller;
 
 import com.gitee.sop.servercommon.annotation.ApiMapping;
 import com.gitee.sop.storyweb.controller.param.StoryParam;
-import org.apache.commons.io.FileUtils;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.apache.commons.io.IOUtils;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 
-import java.io.File;
 import java.io.IOException;
 
 /**
@@ -18,20 +18,24 @@ import java.io.IOException;
  *
  * @author tanghc
  */
+@Api(tags = "文件下载")
 @Controller
 public class DownloadController {
 
-    @ApiMapping(value = "story.download")
-    public ResponseEntity<byte[]> export(StoryParam param) throws IOException {
+    @ApiOperation(value = "文件下载", notes = "演示文件下载")
+    @ApiMapping(value = "story.download", produces = MediaType.APPLICATION_OCTET_STREAM_VALUE/* 这个一定要加，不然沙箱文档不起作用 */)
+    public ResponseEntity<byte[]> download(StoryParam param) throws IOException {
 
         HttpHeaders headers = new HttpHeaders();
         // 假设下载classpath下的application.properties文件
         ClassPathResource resource = new ClassPathResource("/application.properties");
-        File file = resource.getFile();
 
         headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
-        headers.setContentDispositionFormData("attachment", file.getName());
+        headers.setContentDispositionFormData("attachment", resource.getFilename());
 
-        return new ResponseEntity<>(FileUtils.readFileToByteArray(file), headers, HttpStatus.OK);
+        return ResponseEntity
+                .ok()
+                .headers(headers)
+                .body(IOUtils.toByteArray(resource.getInputStream()));
     }
 }
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 671347dc..55145558 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
@@ -244,6 +244,26 @@ public class HttpTool {
         }
     }
 
+    /**
+     * 请求数据
+     *
+     * @param url    请求url
+     * @param form   请求数据
+     * @param header header
+     * @return 返回Response
+     * @throws IOException
+     */
+    public Response requestForResponse(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();
+        return httpClient
+                .newCall(request)
+                .execute();
+    }
+
     /**
      * 下载文件
      *
diff --git a/sop-website/website-front/pages/sandbox/sandbox.js b/sop-website/website-front/pages/sandbox/sandbox.js
index 27b63f90..0aba4c29 100644
--- a/sop-website/website-front/pages/sandbox/sandbox.js
+++ b/sop-website/website-front/pages/sandbox/sandbox.js
@@ -138,6 +138,12 @@ function doTest() {
         }
     });
     data.bizContent = JSON.stringify(bizContent);
+    if (isDownloadRequest(currentItem)) {
+        data.isDownloadRequest = true;
+        downloadFile(data);
+        // window.open()
+        return;
+    }
     // 确定文件数量，并且知道参数名称
     if (uploadFileObjects.length > 0) {
         var formData = new FormData();
@@ -151,6 +157,20 @@ function doTest() {
     }
 }
 
+function isDownloadRequest(currentItem) {
+    var produces = currentItem.produces;
+    if (!produces) {
+        return false;
+    }
+    for (var i = 0; i < produces.length; i++) {
+        var produce = produces[i];
+        if (produce.indexOf('application/octet-stream') > -1) {
+            return true;
+        }
+    }
+    return false;
+}
+
 function putVal(obj, input) {
     if (input.type == 'text') {
         obj[input.name] = input.value;
@@ -204,6 +224,16 @@ function postFile(data, formData) {
     });
 }
 
+function downloadFile(data) {
+    $('.dl-form').remove();
+    var url = SopConfig.url + '/sandbox/test';
+    var form = $('<form class="dl-form"></form>').attr("action", url).attr("method", "get");
+    for(var key in data) {
+        form.append($("<input>").attr("type", "hidden").attr("name", key).attr("value", data[key]));
+    }
+    form.appendTo('body').submit();
+}
+
 function successHandler(resp) {
     setReqInfo(resp);
     showRespnfo(resp.apiResult);
diff --git a/sop-website/website-server/src/main/java/com/gitee/sop/websiteserver/bean/DocItem.java b/sop-website/website-server/src/main/java/com/gitee/sop/websiteserver/bean/DocItem.java
index 00762c52..cc62daaf 100644
--- a/sop-website/website-server/src/main/java/com/gitee/sop/websiteserver/bean/DocItem.java
+++ b/sop-website/website-server/src/main/java/com/gitee/sop/websiteserver/bean/DocItem.java
@@ -20,6 +20,10 @@ public class DocItem {
     /** http method列表 */
     private Collection<String> httpMethodList;
 
+    private Collection<String> produces;
+
+
+
     List<DocParameter> requestParameters;
     List<DocParameter> responseParameters;
 
diff --git a/sop-website/website-server/src/main/java/com/gitee/sop/websiteserver/controller/SandboxController.java b/sop-website/website-server/src/main/java/com/gitee/sop/websiteserver/controller/SandboxController.java
index 25a20024..6363b85c 100644
--- a/sop-website/website-server/src/main/java/com/gitee/sop/websiteserver/controller/SandboxController.java
+++ b/sop-website/website-server/src/main/java/com/gitee/sop/websiteserver/controller/SandboxController.java
@@ -1,12 +1,16 @@
 package com.gitee.sop.websiteserver.controller;
 
 import com.gitee.sop.registryapi.bean.HttpTool;
-import com.gitee.sop.registryapi.bean.HttpTool.*;
+import com.gitee.sop.registryapi.bean.HttpTool.HTTPMethod;
+import com.gitee.sop.registryapi.bean.HttpTool.UploadFile;
 import com.gitee.sop.websiteserver.sign.AlipayApiException;
 import com.gitee.sop.websiteserver.sign.AlipaySignature;
 import com.gitee.sop.websiteserver.util.UploadUtil;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
+import okhttp3.Headers;
+import okhttp3.Response;
+import okhttp3.ResponseBody;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang.StringUtils;
 import org.apache.http.NameValuePair;
@@ -26,6 +30,7 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
 import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.text.SimpleDateFormat;
 import java.util.Collection;
@@ -60,7 +65,10 @@ public class SandboxController {
             , @RequestParam String version
             , @RequestParam String bizContent
             , @RequestParam(defaultValue = "get") String httpMethod
-            , HttpServletRequest request) throws AlipayApiException {
+            , @RequestParam(defaultValue = "false") boolean isDownloadRequest
+            , HttpServletRequest request
+            , HttpServletResponse response
+    ) throws AlipayApiException {
 
         Assert.isTrue(StringUtils.isNotBlank(appId), "AppId不能为空");
         Assert.isTrue(StringUtils.isNotBlank(privateKey), "PrivateKey不能为空");
@@ -111,7 +119,21 @@ public class SandboxController {
 
         try {
             String responseData;
-            if (!CollectionUtils.isEmpty(files)) {
+            if (isDownloadRequest) {
+                Response resp = httpTool.requestForResponse(url, params, Collections.emptyMap(), HTTPMethod.GET);
+                Headers respHeaders = resp.headers();
+                ResponseBody body = resp.body();
+                if (body == null) {
+                    return null;
+                }
+                respHeaders
+                        .names()
+                        .forEach(name -> response.setHeader(name, respHeaders.get(name)));
+
+                IOUtils.copy(body.byteStream(), response.getOutputStream());
+                response.flushBuffer();
+                return null;
+            } else if (!CollectionUtils.isEmpty(files)) {
                 responseData = httpTool.requestFile(url, params, Collections.emptyMap(), files);
             } else {
                 responseData = httpTool.request(url, params, Collections.emptyMap(), HTTPMethod.fromValue(httpMethod));
diff --git a/sop-website/website-server/src/main/java/com/gitee/sop/websiteserver/manager/SwaggerDocParser.java b/sop-website/website-server/src/main/java/com/gitee/sop/websiteserver/manager/SwaggerDocParser.java
index 6bf8a1cc..26a1d25c 100644
--- a/sop-website/website-server/src/main/java/com/gitee/sop/websiteserver/manager/SwaggerDocParser.java
+++ b/sop-website/website-server/src/main/java/com/gitee/sop/websiteserver/manager/SwaggerDocParser.java
@@ -92,6 +92,7 @@ public class SwaggerDocParser implements DocParser {
         docItem.setSummary(docInfo.getString("summary"));
         docItem.setDescription(docInfo.getString("description"));
         docItem.setMultiple(docInfo.getString("multiple") != null);
+        docItem.setProduces(docInfo.getJSONArray("produces").toJavaList(String.class));
         String moduleName = this.buildModuleName(docInfo, docRoot);
         docItem.setModule(moduleName);
         List<DocParameter> docParameterList = this.buildRequestParameterList(docInfo, docRoot);