diff --git a/blossom-backend/backend/src/main/java/com/blossom/backend/server/picture/PictureBlosController.java b/blossom-backend/backend/src/main/java/com/blossom/backend/server/picture/PictureBlosController.java
index 7ce4cb0..d762bca 100644
--- a/blossom-backend/backend/src/main/java/com/blossom/backend/server/picture/PictureBlosController.java
+++ b/blossom-backend/backend/src/main/java/com/blossom/backend/server/picture/PictureBlosController.java
@@ -1,24 +1,31 @@
 package com.blossom.backend.server.picture;
 
-import cn.hutool.core.io.FastByteArrayOutputStream;
-import cn.hutool.core.io.IoUtil;
 import com.blossom.backend.base.auth.AuthContext;
 import com.blossom.backend.base.auth.annotation.AuthIgnore;
 import com.blossom.backend.server.picture.pojo.PictureEntity;
 import com.blossom.common.base.pojo.R;
-import com.blossom.common.base.util.ServletUtil;
 import com.blossom.common.base.util.spring.AntPathMatcherUtil;
 import com.blossom.common.iaas.OSManager;
 import lombok.AllArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import net.coobird.thumbnailator.Thumbnails;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 import org.springframework.web.servlet.HandlerMapping;
+import org.springframework.web.servlet.mvc.method.annotation.StreamingResponseBody;
 
+import javax.servlet.ServletOutputStream;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
-import java.io.*;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.channels.Channels;
+import java.nio.channels.FileChannel;
+import java.nio.channels.WritableByteChannel;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 
 /**
  * 图片上传下载, 当使用本地图片存储时, 简短的接口名有助于优化文档布局
@@ -62,78 +69,73 @@ public class PictureBlosController {
         return R.ok(picture.getUrl());
     }
 
-    /**
-     * 查看图片 [OP]
-     *
-     * @param filename 文件名
-     * @param scale    图片分辨率缩放
-     * @param quality  图片质量缩放
-     */
-    @AuthIgnore
-    @GetMapping("/pic/{filename}/**")
-    public void getFile(
-            @PathVariable String filename,
-            @RequestParam(value = "scale", required = false) Float scale,
-            @RequestParam(value = "quality", required = false) Float quality,
-            HttpServletRequest request,
-            HttpServletResponse resp) {
-        if (scale == null) {
-            scale = 1f;
-        }
-        if (quality == null) {
-            quality = 1f;
-        }
-
+    private String getFilename(String filename, HttpServletRequest request) {
         final String path = request.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE).toString();
         final String bestMatchingPattern = request.getAttribute(HandlerMapping.BEST_MATCHING_PATTERN_ATTRIBUTE).toString();
         String arguments = AntPathMatcherUtil.getAntPathMatcher().extractPathWithinPattern(bestMatchingPattern, path);
         if (!arguments.isEmpty()) {
             filename = "/" + filename + '/' + arguments;
         }
-        File file = osManager.get(filename);
+        return filename;
+    }
 
-        InputStream ips = null;
-        FastByteArrayOutputStream ops = null;
-        try {
-            // 图片大于 COMPRESS_MIN_SIZE 大小, 且请求进行压缩时
-            if (file.length() > COMPRESS_MIN_SIZE && (scale < 1f || quality < 1f)) {
-                try {
-                    ops = new FastByteArrayOutputStream();
-                    Thumbnails.of(file)
-                            // 图片大小（长宽）压缩比例 从0-1，1表示原图
-                            .scale(scale)
-                            // 图片质量压缩比例 从0-1，越接近1质量越好
-                            .outputQuality(quality)
-                            .toOutputStream(ops);
-                } catch (IOException e) {
-                    e.printStackTrace();
-                    log.error(e.toString());
-                    ips = new FileInputStream(file);
-                    ops = IoUtil.read(ips, true);
-                }
-            } else {
-                ips = new FileInputStream(file);
-                ops = IoUtil.read(ips, true);
+    /**
+     * 查看图片 [OP]
+     *
+     * @param filename 文件名
+     */
+    @AuthIgnore
+    @GetMapping("/pic/{filename}/**")
+    public ResponseEntity<StreamingResponseBody> getFile(@PathVariable String filename,
+                                                         HttpServletRequest request, HttpServletResponse resp) {
+        filename = getFilename(filename, request);
+        // sendfile 方式下载图片
+        sendfile(filename, resp);
+        return ResponseEntity.ok(null);
+
+//        File file = osManager.get(filename);
+//        resp.setContentType("");
+//        resp.setContentLengthLong(file.length());
+//        try {
+//            InputStream is = new FileInputStream(file);
+//            StreamingResponseBody body = os -> {
+//                int nRead;
+//                byte[] data = new byte[1024];
+//                while ((nRead = is.read(data, 0, data.length)) != -1) {
+//                    os.write(data, 0, nRead);
+//                }
+//            };
+//            return ResponseEntity.ok().body(body);
+//        } catch (FileNotFoundException e) {
+//            e.printStackTrace();
+//            return ResponseEntity.ok().body(null);
+//        }
+    }
+
+
+    private void sendfile(String filename, HttpServletResponse resp) {
+        Path file = Paths.get(filename);
+
+        try (FileChannel fileChannel = FileChannel.open(file); ServletOutputStream os = resp.getOutputStream()) {
+            long size = fileChannel.size();
+            String contentType = Files.probeContentType(file);
+            if (contentType == null) {
+                contentType = MediaType.APPLICATION_OCTET_STREAM_VALUE;
             }
+            resp.setContentType(contentType);
+            resp.setContentLengthLong(size);
 
-            resp.setContentType(ServletUtil.getContentTypeImage(filename));
-            OutputStream os = resp.getOutputStream();
-            os.write(ops.toByteArray());
-            os.flush();
-            os.close();
+            long position = 0;
+            WritableByteChannel channel = Channels.newChannel(os);
+            while (size > 0) {
+                long count = fileChannel.transferTo(position, size, channel);
+                if (count > 0) {
+                    position += count;
+                    size -= count;
+                }
+            }
         } catch (IOException e) {
-            e.printStackTrace();
-        } finally {
-            try {
-                if (ips != null) {
-                    ips.close();
-                }
-                if (ops != null) {
-                    ops.close();
-                }
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
+            log.info(e.getMessage());
         }
     }