diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java
index 5c713d793..8a8a98d7f 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java
+++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java
@@ -180,73 +180,73 @@ public class CommonController {
      * @param request
      * @param response
      */
-//    @GetMapping(value = "/download/{id}")
-//    public void view(@PathVariable String id,HttpServletRequest request, HttpServletResponse response) {
-//        // 查询数据表数据是否存在
-//        LambdaQueryWrapper<OSSFile> queryWrapper = new LambdaQueryWrapper<>();
-//        queryWrapper.eq(OSSFile::getId,id);
-//        OSSFile ossFile = ossFileService.getOne(queryWrapper);
-//        if( null == ossFile){
-//            throw new JeroBootException("文件不存在..");
-//        }
-//        String fileUrl = ossFile.getUrl();
-//        InputStream inputStream = null;
-//        OutputStream outputStream = null;
-//        try {
-//            String fileName = "";
-//            if(CommonConstant.UPLOAD_TYPE_LOCAL.equals(uploadType)){
-//                //本地下载
-//                String filePath = uploadpath + File.separator + fileUrl;
-//                File file = new File(filePath);
-//                if(!file.exists()){
-//                    response.setStatus(404);
-//                    throw new RuntimeException("文件不存在..");
-//                }
-//                // 文件名称
-//                fileName = file.getName();
-//                inputStream = new BufferedInputStream(new FileInputStream(filePath));
-//            }else if(CommonConstant.UPLOAD_TYPE_MINIO.equals(uploadType)){
-//                // minio 下载
-//                // 通过MinioUtil查询时 只需要桶后面的路径
-//                String minioUrl = MinioUtil.getMinioUrl();
-//                // Linux/unix 系统下文件路径分隔符为"/" 获取minio与存储桶的路径
-//                minioUrl = minioUrl + MinioUtil.getBucketName() + "/";
-//                String url = fileUrl.replace(minioUrl, "");
-//                // 文件名称
-//                fileName = ossFile.getFileName();
-//                inputStream = MinioUtil.getMinioFile(MinioUtil.getBucketName(), url);
-//            }
-//            response.addHeader("Content-Disposition", "attachment;fileName=" + new String(fileName.getBytes("UTF-8"),"iso-8859-1"));
+    @GetMapping(value = "/download/{id}")
+    public void view(@PathVariable String id,HttpServletRequest request, HttpServletResponse response) {
+        // 查询数据表数据是否存在
+        LambdaQueryWrapper<OSSFile> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(OSSFile::getId,id);
+        OSSFile ossFile = ossFileService.getOne(queryWrapper);
+        if( null == ossFile){
+            throw new JeroBootException("文件不存在..");
+        }
+        String fileUrl = ossFile.getUrl();
+        InputStream inputStream = null;
+        OutputStream outputStream = null;
+        try {
+            String fileName = "";
+            if(CommonConstant.UPLOAD_TYPE_LOCAL.equals(uploadType)){
+                //本地下载
+                String filePath = uploadpath + File.separator + fileUrl;
+                File file = new File(filePath);
+                if(!file.exists()){
+                    response.setStatus(404);
+                    throw new RuntimeException("文件不存在..");
+                }
+                // 文件名称
+                fileName = file.getName();
+                inputStream = new BufferedInputStream(new FileInputStream(filePath));
+            }else if(CommonConstant.UPLOAD_TYPE_MINIO.equals(uploadType)){
+                // minio 下载
+                // 通过MinioUtil查询时 只需要桶后面的路径
+                String minioUrl = MinioUtil.getMinioUrl();
+                // Linux/unix 系统下文件路径分隔符为"/" 获取minio与存储桶的路径
+                minioUrl = minioUrl + MinioUtil.getBucketName() + "/";
+                String url = fileUrl.replace(minioUrl, "");
+                // 文件名称
+                fileName = ossFile.getFileName();
+                inputStream = MinioUtil.getMinioFile(MinioUtil.getBucketName(), url);
+            }
+            response.addHeader("Content-Disposition", "attachment;fileName=" + new String(fileName.getBytes("UTF-8"),"iso-8859-1"));
 //            response.setContentType("application/force-download");// 设置强制下载不打开
-//            outputStream = response.getOutputStream();
-//            byte[] buf = new byte[1024];
-//            int len;
-//            while ((len = inputStream.read(buf)) > 0) {
-//                outputStream.write(buf, 0, len);
-//            }
-//            response.flushBuffer();
-//        } catch (IOException e) {
-//            log.error("预览文件失败" + e.getMessage());
-//            response.setStatus(404);
-//            e.printStackTrace();
-//        } finally {
-//            if (inputStream != null) {
-//                try {
-//                    inputStream.close();
-//                } catch (IOException e) {
-//                    log.error(e.getMessage(), e);
-//                }
-//            }
-//            if (outputStream != null) {
-//                try {
-//                    outputStream.close();
-//                } catch (IOException e) {
-//                    log.error(e.getMessage(), e);
-//                }
-//            }
-//        }
-//
-//    }
+            outputStream = response.getOutputStream();
+            byte[] buf = new byte[1024];
+            int len;
+            while ((len = inputStream.read(buf)) > 0) {
+                outputStream.write(buf, 0, len);
+            }
+            response.flushBuffer();
+        } catch (IOException e) {
+            log.error("预览文件失败" + e.getMessage());
+            response.setStatus(404);
+            e.printStackTrace();
+        } finally {
+            if (inputStream != null) {
+                try {
+                    inputStream.close();
+                } catch (IOException e) {
+                    log.error(e.getMessage(), e);
+                }
+            }
+            if (outputStream != null) {
+                try {
+                    outputStream.close();
+                } catch (IOException e) {
+                    log.error(e.getMessage(), e);
+                }
+            }
+        }
+
+    }
     /**
      * 下载文件
      *
@@ -307,6 +307,67 @@ public class CommonController {
             }
         }
 
+    }
+    /**
+     * 文件预览
+     *
+     * @param id 传入文件id
+     * @param request
+     * @param response
+     */
+    @GetMapping(value = "/pdf/viewFile")
+    public void viewFile(String id,HttpServletRequest request, HttpServletResponse response) {
+        // 查询数据表数据是否存在
+        LambdaQueryWrapper<OSSFile> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(OSSFile::getId,id);
+        OSSFile ossFile = ossFileService.getOne(queryWrapper);
+        if( null == ossFile){
+            throw new JeroBootException("文件不存在..");
+        }
+        InputStream inputStream = null;
+        OutputStream outputStream = null;
+        try {
+            String fileName = "";
+            //本地下载
+            String filePath = ossFile.getUrl();
+            File file = new File(filePath);
+            if(!file.exists()){
+                response.setStatus(404);
+                throw new RuntimeException("文件不存在..");
+            }
+            // 文件名称
+            fileName = file.getName();
+            inputStream = new BufferedInputStream(new FileInputStream(filePath));
+            response.addHeader("Content-Disposition", "attachment;fileName=" + new String(fileName.getBytes("UTF-8"),"iso-8859-1"));
+            response.setContentType("application/force-download");// 设置强制下载不打开
+            outputStream = response.getOutputStream();
+            byte[] buf = new byte[1024];
+            int len;
+            while ((len = inputStream.read(buf)) > 0) {
+                outputStream.write(buf, 0, len);
+            }
+            response.flushBuffer();
+        } catch (IOException e) {
+            log.error("文件下载失败" + e.getMessage());
+            response.setStatus(404);
+            e.printStackTrace();
+        } finally {
+            if (inputStream != null) {
+                try {
+                    inputStream.close();
+                } catch (IOException e) {
+                    log.error(e.getMessage(), e);
+                }
+            }
+            if (outputStream != null) {
+                try {
+                    outputStream.close();
+                } catch (IOException e) {
+                    log.error(e.getMessage(), e);
+                }
+            }
+        }
+
     }
 
     /**
diff --git a/jero-web/src/views/documentManage/library/docDetail/index.vue b/jero-web/src/views/documentManage/library/docDetail/index.vue
index 8b96c7ef0..3f7775e89 100644
--- a/jero-web/src/views/documentManage/library/docDetail/index.vue
+++ b/jero-web/src/views/documentManage/library/docDetail/index.vue
@@ -83,7 +83,7 @@
         })
       },
       pdfPreview(item){
-        window.open('/pdf/web/viewer.html?file=' + encodeURIComponent('/sys/common/download?id=' + item.id))
+        window.open('/pdf/web/viewer.html?file=' + encodeURIComponent('/jero-boot/sys/common/pdf/viewFile?id=' + item.id))
       },
       download(item) {
         downloadFile('/sys/common/download', item.fileName, { id: item.id })