add log

src/main/java/au/com/royalpay/payment/manage/system/web/MailCallBackController.java

@@ -30,7 +30,9 @@ public class MailCallBackController {
     @RequestMapping(value = "/callback/dropped", method = RequestMethod.POST)
     public void contractList(HttpServletRequest req, HttpServletResponse res) throws Exception {
         req.getParameterMap().entrySet().forEach(p->{
-            logger.info(p.getKey()+ ":"+ p.getValue());
+            for (String s : p.getValue()) {
+                logger.info(p.getKey()+ "-keys:"+s);
+            }
         });
 
 //        logger.info("kira"+content);