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 6e92fa0dd..d95b68abb 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
@@ -7,7 +7,6 @@ import com.jero.common.api.vo.Result;
 import com.jero.common.constant.enums.CutEnum;
 import com.jero.common.exception.JeroBootException;
 import com.jero.common.system.api.ISysBaseAPI;
-import com.jero.common.system.vo.LoginUser;
 import com.jero.common.util.RestUtil;
 import com.jero.common.util.TokenUtils;
 import com.jero.common.util.oConvertUtils;
@@ -19,7 +18,6 @@ import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
-import org.apache.shiro.SecurityUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.HttpHeaders;
@@ -27,12 +25,7 @@ import org.springframework.http.HttpMethod;
 import org.springframework.http.ResponseEntity;
 import org.springframework.http.server.ServletServerHttpRequest;
 import org.springframework.util.AntPathMatcher;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 import org.springframework.web.multipart.MultipartHttpServletRequest;
 import org.springframework.web.servlet.HandlerMapping;
@@ -41,12 +34,7 @@ import org.springframework.web.servlet.ModelAndView;
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
-import java.io.BufferedInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
+import java.io.*;
 import java.net.URLDecoder;
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -382,12 +370,13 @@ public class CommonController {
             fileName = ossFile.getFileName();
             response.setContentType("application/force-download");// 设置强制下载不打开
             response.addHeader("Content-Disposition", "attachment;fileName=" + new String(fileName.getBytes("UTF-8"),"iso-8859-1"));
-            InputStream download = CosBootUtil.download(filePath);
+
             File file = new File(filePath);
             if(file.getName().endsWith(".pdf") || file.getName().endsWith(".PDF")){
                 SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                 String currentTime = sdf.format(new Date());
                 String waterContent = userName+" "+currentTime;
+                InputStream download = CosBootUtil.download(filePath);
                 newFile = PDFUtils.PDFWatermark(download,uploadpath,file.getName(),waterContent);
                 inputStream = new FileInputStream(newFile.getPath());
             }else{
@@ -432,6 +421,83 @@ public class CommonController {
         }
     }
 
+    /**
+     * word,excel预览 cos -pdf无水印
+     *
+     * @param id 传入文件id
+     * @param request
+     * @param response
+     */
+    @GetMapping(value = "/downLoadFileNOMark")
+    public void downLoadFileNoPDFWatermarkCos(String id,HttpServletRequest request, HttpServletResponse response,String userName) {
+        if(StringUtils.isBlank(id)){
+            throw new JeroBootException("参数信息不全");
+        }
+        id = id.split("\\.")[0];
+        // 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;
+        File newFile =null;
+        try {
+            String fileName = "";
+            //本地下载
+            String filePath = ossFile.getUrl();
+            if(!CosBootUtil.doesObjectExist(filePath)){
+                response.setStatus(404);
+                throw new RuntimeException("文件不存在..");
+            }
+            // 文件名称
+            fileName = ossFile.getFileName();
+            response.setContentType("application/force-download");// 设置强制下载不打开
+            response.addHeader("Content-Disposition", "attachment;fileName=" + new String(fileName.getBytes("UTF-8"),"iso-8859-1"));
+
+            File file = new File(filePath);
+            inputStream = CosBootUtil.download(filePath);
+            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);
+                }
+
+            }
+            if (newFile != null) {
+                try {
+                    newFile.delete();
+                } catch (Exception e) {
+                    log.error(e.getMessage(), e);
+                }
+
+            }
+
+        }
+    }
+
     /**
      * 文件下载
      *