Update server.js

server.js

@@ -200,20 +200,21 @@ function formatSize(sizeBytes) {
 }
 
 // 获取用户存储空间占用
-function getUserTotalSize(username) {
+// 异步计算存储空间，不会卡死服务
+async function getUserTotalSize(username) {
     const userDir = path.join(CLOUD_DISK_PATH, 'users', username);
     if (!fs.existsSync(userDir)) return 0;
     let total = 0;
-    function calcDir(dir) {
-        const list = fs.readdirSync(dir);
-        for (let f of list) {
-            const full = path.join(dir, f);
-            const stat = fs.statSync(full);
-            if (stat.isDirectory()) calcDir(full);
+    const scanDir = async (dir) => {
+        const files = await fs.promises.readdir(dir);
+        for (const name of files) {
+            const fullPath = path.join(dir, name);
+            const stat = await fs.promises.stat(fullPath);
+            if (stat.isDirectory()) await scanDir(fullPath);
             else total += stat.size;
         }
-    }
-    calcDir(userDir);
+    };
+    await scanDir(userDir);
     return total;
 }