diff --git a/ossUpgrade.sh b/ossUpgrade.sh
index 28b0c6a..d48bc54 100755
--- a/ossUpgrade.sh
+++ b/ossUpgrade.sh
@@ -39,6 +39,7 @@ function compare(){
     return 0
   else 
     if [ "${upstreamOssInfoMd5}" = "d41d8cd98f00b204e9800998ecf8427e" || "${locOssInfoMd5}" != "d41d8cd98f00b204e9800998ecf8427e" ];then
+      echo "maybe a mistake, ignore upgrade"
       return 0
     else 
       return 1