fix: 随机/未做API返回值匹配 + 超时状态过滤条件修复

Author: CodeJudge

frontend/src/pages/Submissions.tsx

@@ -28,7 +28,7 @@ const STATUS_FILTERS = [
   { label: '通过', value: 'accepted' },
   { label: '答案错误', value: 'wrong_answer' },
   { label: '运行错误', value: 'runtime_error' },
-  { label: '超时', value: 'time_limit_exceeded' },
+  { label: '超时', value: 'time_limit' },
 ];
 
 const LANGUAGE_FILTERS = [

frontend/src/services/api.ts

@@ -60,8 +60,8 @@ const api = {
     getAdminStats: () => request<import('../types').AdminStats>('/problems/admin/stats'),
     getTags: () => request<{ tags: { name: string; count: number }[] }>('/problems/tags'),
     getDaily: () => request<{ problem: import('../types').Problem; date: string }>('/problems/daily'),
-    random: (type?: string) => request<import('../types').Problem>(`/problems/random${type ? `?type=${type}` : ''}`),
-    randomUnsolved: () => request<import('../types').Problem>('/problems/random-unsolved'),
+    random: (type?: string) => request<{ problem: import('../types').Problem }>(`/problems/random${type ? `?type=${type}` : ''}`).then(r => r.problem),
+    randomUnsolved: () => request<{ problem: import('../types').Problem }>('/problems/random-unsolved').then(r => r.problem),
   },
 
   submissions: {