fix bug

scripts/install_debian.sh

@@ -451,7 +451,7 @@ Wants=network-online.target
 Type=oneshot
 User=${RUN_USER}
 Group=${RUN_GROUP}
-WorkingDirectory="${APP_DIR}"
+WorkingDirectory=${APP_DIR}
 EnvironmentFile=-${ENV_FILE}
 UMask=0077
 ExecStart=/bin/bash "${APP_DIR}/scripts/run_update_and_commit.sh" "${CONFIG_PATH}"