文件压缩500图片格式

rs-universal/rs-universal-server/src/main/java/com/upyuns/platform/rs/universal/service/UploadService.java

@@ -174,7 +174,7 @@ public class    UploadService {
 
         // 保存压缩后的图片
         String compressedFilePath = baseUploadPath + dirPathToday + "/"+ no + lastFormat + "_250";
-        ImageIO.write(resizedImage, lastFormat.substring(2, lastFormat.length()), new File(compressedFilePath));
+        ImageIO.write(resizedImage, lastFormat.substring(1, lastFormat.length()), new File(compressedFilePath));
 
         realFileRelPath = xx_url + SystemConfig.XXMP_URL + realFileRelPath;
         return realFileRelPath;