diff --git a/demos/scripts/tlcpdemo.sh b/demos/scripts/tlcpdemo.sh
index 36bdf8e5..97e47218 100755
--- a/demos/scripts/tlcpdemo.sh
+++ b/demos/scripts/tlcpdemo.sh
@@ -1,6 +1,6 @@
 #!/bin/bash -x
 
-set -e
+#set -e # which sudo will cause failure on windows
 
 gmssl sm2keygen -pass 1234 -out rootcakey.pem
 gmssl certgen -C CN -ST Beijing -L Haidian -O PKU -OU CS -CN ROOTCA -days 3650 -key rootcakey.pem -pass 1234 -out rootcacert.pem -key_usage keyCertSign -key_usage cRLSign -ca