From 124b63f325e09357164debddfcc5a943c0c3fef5 Mon Sep 17 00:00:00 2001
From: kuaifan <aipaw@live.cn>
Date: Sun, 29 Jun 2025 21:58:43 +0800
Subject: [PATCH] =?UTF-8?q?perf:=20=E4=BC=98=E5=8C=96=E5=AE=A2=E6=88=B7?=
 =?UTF-8?q?=E7=AB=AF=E7=BC=93=E5=AD=98?=
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---
 electron/electron.js | 25 ++++++++++++++++++++++---
 electron/utils.js    | 18 ++++++++++++++++++
 2 files changed, 40 insertions(+), 3 deletions(-)

diff --git a/electron/electron.js b/electron/electron.js
index e432138d0..609209c9b 100644
--- a/electron/electron.js
+++ b/electron/electron.js
@@ -96,10 +96,18 @@ async function startWebServer() {
         return Promise.resolve();
     }
 
+    // 每次启动前清理缓存
+    utils.clearServerCache();
+
     return new Promise((resolve, reject) => {
         // 创建Express应用
         const app = express();
 
+        // 健康检查
+        app.head('/health', (req, res) => {
+            res.status(200).send('OK');
+        });
+
         // 使用express.static中间件提供静态文件服务
         // Express内置了全面的MIME类型支持，无需手动配置
         app.use(express.static(serverPublicDir, {
@@ -113,9 +121,12 @@ async function startWebServer() {
             dotfiles: 'ignore',
             // 自定义头部
             setHeaders: (res, path, stat) => {
-                // 对HTML文件禁用缓存，方便开发调试
-                if (path.endsWith('.html')) {
-                    res.set('Cache-Control', 'no-cache');
+                const ext = path.split('.').pop().toLowerCase();
+                // HTML、JS、CSS文件禁用缓存，方便开发调试
+                if (['html', 'js', 'css'].includes(ext)){
+                    res.set('Cache-Control', 'no-cache, no-store, must-revalidate');
+                    res.set('Pragma', 'no-cache');
+                    res.set('Expires', '0');
                 }
             }
         }));
@@ -1483,6 +1494,14 @@ ipcMain.handle('getStore', (event, args) => {
     return store.get(args)
 });
 
+/**
+ * 清理服务器缓存
+ */
+ipcMain.on('clearServerCache', (event) => {
+    utils.clearServerCache();
+    event.returnValue = "ok";
+});
+
 //================================================================
 // Update
 //================================================================
diff --git a/electron/utils.js b/electron/utils.js
index 24b8cb409..f7fa0f063 100644
--- a/electron/utils.js
+++ b/electron/utils.js
@@ -682,6 +682,24 @@ const utils = {
         } else {
             return "#FFFFFF";
         }
+    },
+
+    /**
+     * 清理服务器缓存
+     */
+    clearServerCache() {
+        try {
+            // 清理require缓存中的express相关模块
+            Object.keys(require.cache).forEach(key => {
+                if (key.includes('express') || key.includes('static')) {
+                    delete require.cache[key];
+                }
+            });
+
+            console.log('Server cache cleared');
+        } catch (e) {
+            console.error('Failed to clear server cache:', e);
+        }
     }
 }