diff --git a/wwwroot/phone_login.dspy b/wwwroot/phone_login.dspy
index d4009fb..b9a1ad4 100644
--- a/wwwroot/phone_login.dspy
+++ b/wwwroot/phone_login.dspy
@@ -44,7 +44,7 @@ async with get_sor_context(request._run_ns, 'rbac') as sor:
 		if len(recs) == 1:
 			r = recs[0]
 			# Update last_login atomically (standard SQL, no DB-specific functions)
-			now_str = curDateString('%Y-%m-%d %H:%M:%S')
+			now_str = curDateString()
 			await sor.sqlExe("""
 				UPDATE users 
 				SET last_login = ${now}$, login_fail_count = 0,