update

public/index.php

@@ -184,11 +184,21 @@ function show_index()
 
 <?php function show_about()
 {
+
+    $stmt = get_db()->prepare("SELECT count(1) as count FROM files");
+    $stmt->execute();
+
+    $row = $stmt->fetch(PDO::FETCH_ASSOC);
+
     ob_start(); ?>
 
     <div class="">
         <p class="text-2xl">
-            about
+            这是一个简单图床.
+        </p>
+        <br>
+        <p>
+            目前共成功上传了: <span class="text-red-500"><?php echo $row["count"]; ?></span> 张图片.
         </p>
     </div>