diff --git a/jobs/Deploy_Hi365_IOS_SIT/config.xml b/jobs/Deploy_Hi365_IOS_SIT/config.xml
index 3eda0e5c6eaf9218ba713b4a3c712709cd85446c..1eeff51342c26bcc8dac03b63f307ac98b87264e 100644
--- a/jobs/Deploy_Hi365_IOS_SIT/config.xml
+++ b/jobs/Deploy_Hi365_IOS_SIT/config.xml
@@ -68,6 +68,7 @@ default_doc="main_sit.dart"
 export_method="ad-hoc"
 version_number=$Version_Number
 
+# Define flutter sdk root
 export FLUTTER_ROOT="/Users/jenkins/flutter"
 
 # Set the variable