update download docx

Author: litongjava

docs/zh/05_web开发/11.md

@@ -58,8 +58,8 @@ public HttpResponse download(String id, HttpRequest request) {
     available = inputStream.available();
     byte[] fileBytes = new byte[available];
     inputStream.read(fileBytes, 0, available);
-    HttpResponse response = Resps.bytesWithContentType(request, fileBytes,
-        "application/vnd.openxmlformats-officedocument.wordprocessingml.document; charset=utf-8");
+    String contentType = "application/vnd.openxmlformats-officedocument.wordprocessingml. document; charset=utf-8";
+    HttpResponse response = Resps.bytesWithContentType(request, fileBytes, contentType);
     return response;
   } catch (IOException e) {
     e.printStackTrace();