diff --git a/xCAT-test/autotest/testcase/performance/simulatorctl.sh b/xCAT-test/autotest/testcase/performance/simulatorctl.sh
index 764536862..de9647b33 100644
--- a/xCAT-test/autotest/testcase/performance/simulatorctl.sh
+++ b/xCAT-test/autotest/testcase/performance/simulatorctl.sh
@@ -165,4 +165,4 @@ elif [ "$1" = "clean" ]; then
 else
     echo "Error: not supported action."
     exit -1
-fi
\ No newline at end of file
+fi