server/routes_io_exam.ts 中

存储当前问题状态
改为 像答案那样 暂存到 redis

server/routes_io_exam.ts

@@ -135,15 +135,12 @@ export function setupExamEvents({ socket, apiClient }: Variables) {
         return;
       }
 
-      // 存储当前问题状态
-      await apiClient.database.table('exam_questions').insert({
-        room_id: roomId,
-        question_id: 'current_state',
-        date: question.date,
-        price: question.price,
-        created_at: apiClient.database.fn.now(),
-        updated_at: apiClient.database.fn.now()
-      });
+      // 存储当前问题状态到Redis
+      const questionKey = `exam:${roomId}:current_question`;
+      await apiClient.redis.hset(questionKey, 'date', String(question.date));
+      await apiClient.redis.hset(questionKey, 'price', String(question.price));
+      await apiClient.redis.hset(questionKey, 'updated_at', new Date().toISOString());
+      // TODO: 需要Redis服务端配置自动过期或通过其他方式实现TTL
 
       // 广播题目到房间
       socket.to(roomId).emit('exam:question', {