预览优化

server/src/main/java/cn/keking/web/controller/FileController.java

@@ -42,7 +42,7 @@ import static cn.keking.utils.CaptchaUtil.CAPTCHA_GENERATE_TIME;
  * @author yudian-it
  * 2017/12/1
  */
-//@RestController
+@RestController
 public class FileController {
 
     private final Logger logger = LoggerFactory.getLogger(FileController.class);