diff --git a/jodconverter-web/src/main/java/cn/keking/config/ConfigRefreshComponent.java b/jodconverter-web/src/main/java/cn/keking/config/ConfigRefreshComponent.java
index 18a58f89..3ad992d3 100644
--- a/jodconverter-web/src/main/java/cn/keking/config/ConfigRefreshComponent.java
+++ b/jodconverter-web/src/main/java/cn/keking/config/ConfigRefreshComponent.java
@@ -52,7 +52,7 @@ public class ConfigRefreshComponent {
                 String ftpPassword;
                 String ftpControlEncoding;
                 String configFilePath = OfficeUtils.getCustomizedConfigPath();
-                String baseUlr;
+                String baseUrl;
                 while (true) {
                     FileReader fileReader = new FileReader(configFilePath);
                     BufferedReader bufferedReader = new BufferedReader(fileReader);
@@ -67,7 +67,7 @@ public class ConfigRefreshComponent {
                     ftpControlEncoding = properties.getProperty("ftp.control.encoding", DEFAULT_FTP_CONTROL_ENCODING);
                     textArray = text.split(",");
                     mediaArray = media.split(",");
-                    baseUlr = properties.getProperty("base.url", DEFAULT_BASE_URL);
+                    baseUrl = properties.getProperty("base.url", DEFAULT_BASE_URL);
                     ConfigConstants.setCacheEnabled(cacheEnabled);
                     ConfigConstants.setSimText(textArray);
                     ConfigConstants.setMedia(mediaArray);
@@ -75,7 +75,7 @@ public class ConfigRefreshComponent {
                     ConfigConstants.setFtpUsername(ftpUsername);
                     ConfigConstants.setFtpPassword(ftpPassword);
                     ConfigConstants.setFtpControlEncoding(ftpControlEncoding);
-                    ConfigConstants.setBaseUrl(baseUlr);
+                    ConfigConstants.setBaseUrl(baseUrl);
                     bufferedReader.close();
                     fileReader.close();
                     Thread.sleep(1000L);
diff --git a/jodconverter-web/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java b/jodconverter-web/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
index fa8bcca0..c0b255ab 100644
--- a/jodconverter-web/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
+++ b/jodconverter-web/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
@@ -12,8 +12,8 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.ui.Model;
 import org.springframework.util.StringUtils;
+import org.springframework.web.context.request.RequestContextHolder;
 
-import java.io.File;
 import java.util.List;
 
 /**
@@ -45,7 +45,7 @@ public class OfficeFilePreviewImpl implements FilePreview {
     public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
         // 预览Type，参数传了就取参数的，没传取系统默认
         String officePreviewType = model.asMap().get("officePreviewType") == null ? ConfigConstants.getOfficePreviewType() : model.asMap().get("officePreviewType").toString();
-        String originUrl = (String) model.asMap().get("originUrl");
+        String baseUrl = (String) RequestContextHolder.currentRequestAttributes().getAttribute("baseUrl",0);
         String suffix=fileAttribute.getSuffix();
         String fileName=fileAttribute.getName();
         boolean isHtml = suffix.equalsIgnoreCase("xls") || suffix.equalsIgnoreCase("xlsx");
@@ -73,8 +73,8 @@ public class OfficeFilePreviewImpl implements FilePreview {
                 }
             }
         }
-        if (!isHtml && originUrl != null && (OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OFFICE_PREVIEW_TYPE_ALLIMAGES.equals(officePreviewType))) {
-            List<String> imageUrls = pdfUtils.pdf2jpg(outFilePath, pdfName, originUrl);
+        if (!isHtml && baseUrl != null && (OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OFFICE_PREVIEW_TYPE_ALLIMAGES.equals(officePreviewType))) {
+            List<String> imageUrls = pdfUtils.pdf2jpg(outFilePath, pdfName, baseUrl);
             if (imageUrls == null || imageUrls.size() < 1) {
                 model.addAttribute("msg", "office转图片异常，请联系管理员");
                 model.addAttribute("fileType",fileAttribute.getSuffix());
diff --git a/jodconverter-web/src/main/java/cn/keking/service/impl/PdfFilePreviewImpl.java b/jodconverter-web/src/main/java/cn/keking/service/impl/PdfFilePreviewImpl.java
index e16bcfd8..c173e147 100644
--- a/jodconverter-web/src/main/java/cn/keking/service/impl/PdfFilePreviewImpl.java
+++ b/jodconverter-web/src/main/java/cn/keking/service/impl/PdfFilePreviewImpl.java
@@ -10,8 +10,8 @@ import cn.keking.utils.PdfUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.ui.Model;
+import org.springframework.web.context.request.RequestContextHolder;
 
-import java.io.File;
 import java.util.List;
 
 /**
@@ -38,7 +38,7 @@ public class PdfFilePreviewImpl implements FilePreview{
         String suffix=fileAttribute.getSuffix();
         String fileName=fileAttribute.getName();
         String officePreviewType = model.asMap().get("officePreviewType") == null ? ConfigConstants.getOfficePreviewType() : model.asMap().get("officePreviewType").toString();
-        String originUrl = model.asMap().get("originUrl").toString();
+        String baseUrl = (String) RequestContextHolder.currentRequestAttributes().getAttribute("baseUrl",0);
         model.addAttribute("pdfUrl", url);
         String pdfName = fileName.substring(0, fileName.lastIndexOf(".") + 1) + "pdf";
         String outFilePath = fileDir + pdfName;
@@ -51,7 +51,7 @@ public class PdfFilePreviewImpl implements FilePreview{
                 return "fileNotSupported";
             }
             outFilePath = response.getContent();
-            List<String> imageUrls = pdfUtils.pdf2jpg(outFilePath, pdfName, originUrl);
+            List<String> imageUrls = pdfUtils.pdf2jpg(outFilePath, pdfName, baseUrl);
             if (imageUrls == null || imageUrls.size() < 1) {
                 model.addAttribute("msg", "pdf转图片异常，请联系管理员");
                 model.addAttribute("fileType",fileAttribute.getSuffix());
diff --git a/jodconverter-web/src/main/java/cn/keking/utils/PdfUtils.java b/jodconverter-web/src/main/java/cn/keking/utils/PdfUtils.java
index 0052109c..1131d153 100644
--- a/jodconverter-web/src/main/java/cn/keking/utils/PdfUtils.java
+++ b/jodconverter-web/src/main/java/cn/keking/utils/PdfUtils.java
@@ -23,14 +23,12 @@ public class PdfUtils {
     @Autowired
     FileUtils fileUtils;
 
-    public List<String> pdf2jpg(String pdfFilePath, String pdfName, String url) {
+    public List<String> pdf2jpg(String pdfFilePath, String pdfName, String baseUrl) {
         List<String> imageUrls = new ArrayList<>();
         Integer imageCount = fileUtils.getConvertedPdfImage(pdfFilePath);
         String imageFileSuffix = ".jpg";
-        // https://8个字符  http://7个字符 从这后面开始出现的第一个/就是当前file.Dir下的根目录
-        int index1 = url.indexOf("/", 8);
         String pdfFolder = pdfName.substring(0, pdfName.length() - 4);
-        String urlPrefix = url.substring(0, index1 + 1) + pdfFolder;
+        String urlPrefix = baseUrl + pdfFolder;
         if (imageCount != null && imageCount.intValue() > 0) {
             for (int i = 0; i < imageCount ; i++)
             imageUrls.add(urlPrefix + "/" + i + imageFileSuffix);
diff --git a/jodconverter-web/src/main/java/cn/keking/web/controller/OnlinePreviewController.java b/jodconverter-web/src/main/java/cn/keking/web/controller/OnlinePreviewController.java
index f2b0290a..d46c26c8 100644
--- a/jodconverter-web/src/main/java/cn/keking/web/controller/OnlinePreviewController.java
+++ b/jodconverter-web/src/main/java/cn/keking/web/controller/OnlinePreviewController.java
@@ -49,38 +49,17 @@ public class OnlinePreviewController {
      * @param model
      * @return
      */
-    @RequestMapping(value = "onlinePreview", method = RequestMethod.GET)
+    @RequestMapping(value = "/onlinePreview", method = RequestMethod.GET)
     public String onlinePreview(String url, Model model, HttpServletRequest req) {
         FileAttribute fileAttribute = fileUtils.getFileAttribute(url);
         req.setAttribute("fileKey", req.getParameter("fileKey"));
         model.addAttribute("officePreviewType", req.getParameter("officePreviewType"));
-        model.addAttribute("originUrl", req.getRequestURL().toString());
         FilePreview filePreview = previewFactory.get(fileAttribute);
         return filePreview.filePreviewHandle(url, model, fileAttribute);
     }
 
-    /**
-     * 多图片切换预览
-     *
-     * @param model
-     * @param req
-     * @return
-     * @throws UnsupportedEncodingException
-     */
-    @RequestMapping(value = "picturesPreview", method = RequestMethod.GET)
-    public String picturesPreview(String urls, String currentUrl, Model model, HttpServletRequest req) throws UnsupportedEncodingException {
-        // 路径转码
-        String decodedUrl = URLDecoder.decode(urls, "utf-8");
-        String decodedCurrentUrl = URLDecoder.decode(currentUrl, "utf-8");
-        // 抽取文件并返回文件列表
-        String[] imgs = decodedUrl.split("\\|");
-        List imgurls = Arrays.asList(imgs);
-        model.addAttribute("imgurls", imgurls);
-        model.addAttribute("currentUrl",decodedCurrentUrl);
-        return "picture";
-    }
 
-    @RequestMapping(value = "picturesPreview", method = RequestMethod.POST)
+    @RequestMapping(value = "/picturesPreview")
     public String picturesPreview(Model model, HttpServletRequest req) throws UnsupportedEncodingException {
         String urls = req.getParameter("urls");
         String currentUrl = req.getParameter("currentUrl");