feat: 添加更新功能控制台日志 (console.log/error)，标记每步执行与错误输出

app/api/update/check/route.ts

@@ -1,15 +1,31 @@
 import { NextResponse } from "next/server";
 import { checkForUpdate } from "@/lib/update";
 
+function apiLog(msg: string) {
+  const t = new Date().toISOString().slice(0, 19).replace("T", " ");
+  console.log(`[${t}] [更新检查] ${msg}`);
+}
+
+function apiErr(msg: string) {
+  const t = new Date().toISOString().slice(0, 19).replace("T", " ");
+  console.error(`[${t}] [更新检查] ${msg}`);
+}
+
 // GET /api/update/check - 检查是否有可用更新
 export async function GET() {
+  apiLog("收到版本检查请求");
   try {
     const versionInfo = await checkForUpdate();
+    const hasUpdate = versionInfo.hasUpdate;
+    const latestVer = versionInfo.latest?.version || "无";
+    apiLog(`检查完成: ${hasUpdate ? "有新版本 " + latestVer : "已是最新"}`);
     return NextResponse.json({
       success: true,
       data: versionInfo,
     });
   } catch (error) {
+    const msg = error instanceof Error ? error.message : "未知错误";
+    apiErr(`检查异常: ${msg}`);
     return NextResponse.json(
       { success: false, error: "检查更新失败" },
       { status: 500 }