防止冲突，备份

public/index.php

@@ -0,0 +1,27 @@
+<?php
+
+    $request_uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
+    // 定义条件
+    $found_route = false;
+
+
+    switch($request_uri){
+        case '/':
+            include './re_blog.php';
+        break;
+
+    }
+
+    // posts 路由
+    include "./request/posts.php";
+
+
+    // 所有路由匹配结束后，检查是否找到路由
+if (!$found_route) {
+    // 设置 HTTP 状态码为 404
+    header("HTTP/1.0 404 Not Found");
+    // 包含 404 页面文件
+    exit();
+    include "../src/views/error/404.html";
+    
+}