fix: 在后端文件上传工具类中添加URL端口替换逻辑，将8882替换为8082

ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUploadUtils.java

@@ -185,7 +185,10 @@ public class FileUploadUtils
         String currentDir = StringUtils.substring(uploadDir, dirLastIndex);
         // 替换反斜杠为正斜杠，确保路径格式正确
         currentDir = currentDir.replaceAll("\\\\", "/");
-        return Constants.RESOURCE_PREFIX + "/" + currentDir + "/" + fileName;
+        String url = Constants.RESOURCE_PREFIX + "/" + currentDir + "/" + fileName;
+        // 将URL中的8882端口替换为8082
+        url = url.replace(":8882", ":8082");
+        return url;
     }
 
     /**