From 7dc588149618f2888fc6262e9b2e18ad1aa9ccb8 Mon Sep 17 00:00:00 2001
From: hailin <hailin.zhao@gdzx.xyz>
Date: Sat, 7 Mar 2026 08:07:49 -0800
Subject: [PATCH] fix(auth): use UUID fallback slug when company name produces
 empty slug (e.g. Chinese-only names)

---
 .../auth-service/src/application/services/auth.service.ts   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/services/auth-service/src/application/services/auth.service.ts b/packages/services/auth-service/src/application/services/auth.service.ts
index e096718..d164fcc 100644
--- a/packages/services/auth-service/src/application/services/auth.service.ts
+++ b/packages/services/auth-service/src/application/services/auth.service.ts
@@ -208,11 +208,15 @@ export class AuthService {
     phone?: string,
   ) {
     // Generate slug from company name (underscores for valid PostgreSQL schema names)
-    const slug = companyName
+    let slug = companyName
       .toLowerCase()
       .replace(/[^a-z0-9]+/g, '_')
       .replace(/(^_|_$)/g, '')
       .slice(0, 40);
+    // If company name is all non-ASCII (e.g. Chinese), slug will be empty — use UUID fallback
+    if (!slug) {
+      slug = crypto.randomUUID().replace(/-/g, '').slice(0, 16);
+    }
 
     // Check slug uniqueness
     const existingTenant = await this.tenantRepository.findOneBy({ slug });