diff --git a/Jenkinsfile b/Jenkinsfile
index e9ea8bafd380f99f99a441981ec2fcbf055f21d2..80b3b63dbecf6f7df8dc12330dc8e0235503149f 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -238,7 +238,7 @@ pipeline {
               sh '''
                 cd ${WKC}/tests/examples/C#/taosdemo
                 mcs -out:taosdemo *.cs > /dev/null 2>&1
-                echo '' |./taosdemo
+                echo '' |./taosdemo -c /etc/taos
               '''
               sh '''
                 cd ${WKC}/tests/gotest