diff --git a/skills/baoyu-post-to-x/scripts/x-utils.ts b/skills/baoyu-post-to-x/scripts/x-utils.ts
index 4ad305d..fe96cc5 100644
--- a/skills/baoyu-post-to-x/scripts/x-utils.ts
+++ b/skills/baoyu-post-to-x/scripts/x-utils.ts
@@ -70,6 +70,8 @@ export function findChromeExecutable(candidates: PlatformCandidates): string | u
 }
 
 export function getDefaultProfileDir(): string {
+  const override = process.env.X_BROWSER_PROFILE_DIR?.trim();
+  if (override) return path.resolve(override);
   const base = process.env.XDG_DATA_HOME || path.join(os.homedir(), '.local', 'share');
   return path.join(base, 'x-browser-profile');
 }
@@ -79,6 +81,8 @@ export function sleep(ms: number): Promise<void> {
 }
 
 export async function getFreePort(): Promise<number> {
+  const fixed = parseInt(process.env.X_BROWSER_DEBUG_PORT || '', 10);
+  if (fixed > 0) return fixed;
   return new Promise((resolve, reject) => {
     const server = net.createServer();
     server.unref();