diff --git a/one-touch.sh b/one-touch.sh
index e539990..cb9a8e0 100644
--- a/one-touch.sh
+++ b/one-touch.sh
@@ -38,7 +38,7 @@ Environment="RUST_BACKTRACE=1"
 WorkingDirectory=${WORKSPACE}
 # EnvironmentFile=~/myserve/serverstatus/.env
 ExecStart=${WORKSPACE}/stat_client -a "${server_address}" -u ${uid} -p ${passwd}
-ExecReload=/bin/kill -HUP $MAINPID
+ExecReload=/bin/kill -HUP \$MAINPID
 Restart=on-failure
 
 [Install]
@@ -75,7 +75,7 @@ Group=${user_name}
 Environment="RUST_BACKTRACE=1"
 WorkingDirectory=${WORKSPACE}
 ExecStart=${WORKSPACE}/stat_server -c ${WORKSPACE}/config.toml
-ExecReload=/bin/kill -HUP $MAINPID
+ExecReload=/bin/kill -HUP \$MAINPID
 Restart=on-failure
 
 [Install]