diff --git a/src/app/init/project.tsx b/src/app/init/project.tsx
index 1084f43..9705ac5 100644
--- a/src/app/init/project.tsx
+++ b/src/app/init/project.tsx
@@ -4,6 +4,7 @@ import {useQuery} from '@tanstack/react-query';
 import {CheckCircle2, Loader2, XCircle} from 'lucide-react';
 import {toast} from 'sonner';
 import {projectCreate, projectInfo, workspaceList} from '@/client';
+import {isAxiosError} from 'axios';
 import {Button} from '@/components/ui/button';
 import {Input} from '@/components/ui/input';
 import {Label} from '@/components/ui/label';
@@ -59,11 +60,12 @@ export function InitProject() {
         try {
             const lower = name.trim().toLowerCase();
             await projectInfo({path: {project_name: lower}});
+            // 200 OK → 项目存在
             setNameAvailable(false);
             setAvailabilityMessage('Project name already exists');
         } catch (err: unknown) {
-            const status = (err as any)?.response?.status;
-            if (status === 404) {
+            // @hey-api/openapi-ts 默认 throwOnError=false，错误作为 AxiosError 返回
+            if (isAxiosError(err) && err.response?.status === 404) {
                 setNameAvailable(true);
                 setAvailabilityMessage('Project name is available');
             } else {