预览文档从url中获取bucket和name

src/main/java/com/github/jfcloud/excel/editor/docdeal/controller/FileController.java

@@ -137,8 +137,9 @@ public class FileController {
                                 @RequestParam String userName,
                                 Model model) {
         if (StrUtil.isNotBlank(url)) {
+            url = url.replace("/admin/sys-file/", "");
+            bucket = url.substring(0, url.indexOf('/'));
             name = url.substring(url.lastIndexOf('/') + 1);
-            bucket = url.replace("/admin/sys-file/", "").substring(0, url.indexOf('/'));
         }
 
         log.info("==> 预览文档 bucket: {}, name: {}", bucket, name);