diff --git a/scripts/e2e/parallels-npm-update-smoke.sh b/scripts/e2e/parallels-npm-update-smoke.sh
index a0c8dd81b0f..929c246a342 100755
--- a/scripts/e2e/parallels-npm-update-smoke.sh
+++ b/scripts/e2e/parallels-npm-update-smoke.sh
@@ -1429,7 +1429,7 @@ if (entries && typeof entries === "object" && !Array.isArray(entries)) {
 if (Array.isArray(plugins.allow)) {
   plugins.allow = plugins.allow.filter((pluginId) => pluginId !== "feishu" && pluginId !== "whatsapp");
 }
-fs.writeFileSync(configPath, `${JSON.stringify(config, null, 2)}\n`);
+fs.writeFileSync(configPath, JSON.stringify(config, null, 2) + "\\n");
 JS
 }
 stop_openclaw_gateway_processes() {
@@ -1555,7 +1555,7 @@ if (entries && typeof entries === "object" && !Array.isArray(entries)) {
 if (Array.isArray(plugins.allow)) {
   plugins.allow = plugins.allow.filter((pluginId) => pluginId !== "feishu" && pluginId !== "whatsapp");
 }
-fs.writeFileSync(configPath, `${JSON.stringify(config, null, 2)}\n`);
+fs.writeFileSync(configPath, JSON.stringify(config, null, 2) + "\\n");
 JS
 }
 stop_openclaw_gateway_processes() {