diff --git a/topics/index.json b/topics/index.json
index 71a742c..48bac8b 100644
--- a/topics/index.json
+++ b/topics/index.json
@@ -340,73 +340,6 @@
         }
       ]
     },
-    {
-      "slug": "interview-prep",
-      "name": "面试准备",
-      "description": "面试第一轮系统性复习：覆盖语言并发模型、分布式微服务、数据库进阶、消息队列、K8s与可观测性、AI工程实践",
-      "subtopics": [
-        {
-          "slug": "distributed-microservice",
-          "name": "分布式微服务架构",
-          "description": "服务注册与发现、负载均衡、限流熔断、配置中心、幂等控制、分布式锁、分布式事务",
-          "path": "topics/interview-prep/distributed-microservice",
-          "stats": {
-            "total": 0,
-            "by_type": {}
-          }
-        },
-        {
-          "slug": "message-queue",
-          "name": "消息队列",
-          "description": "主流中间件选型、路由、持久化原理、事务、死信队列、推拉模式、集群化部署",
-          "path": "topics/interview-prep/message-queue",
-          "stats": {
-            "total": 0,
-            "by_type": {}
-          }
-        },
-        {
-          "slug": "k8s-observability",
-          "name": "K8s与可观测性",
-          "description": "K8s应用发布、弹性扩缩容、灰度发布、健康检查、可观测体系建设",
-          "path": "topics/interview-prep/k8s-observability",
-          "stats": {
-            "total": 0,
-            "by_type": {}
-          }
-        },
-        {
-          "slug": "go-java-concurrency",
-          "name": "Go/Java并发模型",
-          "description": "GMP调度、CSP模型、AQS/ForkJoinPool、goroutine泄漏、JMM、happens-before、pprof/JFR",
-          "path": "topics/interview-prep/go-java-concurrency",
-          "stats": {
-            "total": 0,
-            "by_type": {}
-          }
-        },
-        {
-          "slug": "database-advanced",
-          "name": "数据库进阶",
-          "description": "B+树索引优化、EXPLAIN执行计划、Redis集群/哨兵、混合持久化、慢查询优化",
-          "path": "topics/interview-prep/database-advanced",
-          "stats": {
-            "total": 0,
-            "by_type": {}
-          }
-        },
-        {
-          "slug": "ai-engineering",
-          "name": "AI工程实践",
-          "description": "Context Engineer、Harness Engineer、智能体架构、MCP协议、权限治理、可插拔配置",
-          "path": "topics/interview-prep/ai-engineering",
-          "stats": {
-            "total": 0,
-            "by_type": {}
-          }
-        }
-      ]
-    },
     {
       "slug": "interview-prep",
       "name": "面试准备",