提交：BUG处理

zhongzheng-system/src/main/java/com/zhongzheng/modules/user/service/impl/UserSubscribeServiceImpl.java

@@ -1984,7 +1984,7 @@ public class UserSubscribeServiceImpl extends ServiceImpl<UserSubscribeMapper, U
             g.drawString(DateUtils.getDate(), 673, 3860);
 
             //用户签名
-            String replace = imageStr.replace("data:image/jpeg;base64,", "");
+            String replace = imageStr.replace("data:image/png;base64,", "");
             byte[] imageBytes = DatatypeConverter.parseBase64Binary(replace);
             ByteArrayInputStream inputStream = new ByteArrayInputStream(imageBytes);
             BufferedImage qrImage = ImageIO.read(inputStream);