From a3fdf7e57d3b3dbb5205b38c56e10dfaf99d3a88 Mon Sep 17 00:00:00 2001
From: xiaoqidun <xiaoqidun@gmail.com>
Date: Tue, 8 Sep 2026 22:42:47 +0800
Subject: [PATCH] =?UTF-8?q?feat(=E5=89=8D=E7=AB=AF=E7=95=8C=E9=9D=A2):=20?=
 =?UTF-8?q?=E4=BC=98=E5=8C=96=E9=BB=98=E8=AE=A4=E9=98=85=E8=AF=BB=E6=A8=A1?=
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MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 assets/webui/ofdgo.js | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/assets/webui/ofdgo.js b/assets/webui/ofdgo.js
index 5d0c678..09b0003 100644
--- a/assets/webui/ofdgo.js
+++ b/assets/webui/ofdgo.js
@@ -1250,7 +1250,10 @@ async function openDocument(options = {}) {
 		state.doc = doc;
 		state.pageIndex = pageIndex;
 		state.scale = options.scale || 1;
-		state.fitMode = options.fitMode || "width";
+		if (!options.fitMode) {
+			setContinuous(window.matchMedia("(max-width: 640px)").matches);
+		}
+		state.fitMode = options.fitMode || (!state.continuous && pageCount === 1 ? "height" : "width");
 		if (!options.skipAutoFonts && await autoLoadDocumentLocalFonts(openSeq)) {
 			if (openSeq !== state.openSeq) {
 				return;
@@ -2406,11 +2409,15 @@ function fontMeta(font) {
 	return parts.join(" · ");
 }
 
-function toggleContinuous() {
-	const anchor = state.fitMode === "free" ? scaleAnchor() : null;
-	state.continuous = !state.continuous;
+function setContinuous(continuous) {
+	state.continuous = continuous;
 	el.pageFrame.classList.toggle("continuous", state.continuous);
 	el.continuousButton.setAttribute("aria-pressed", String(state.continuous));
+}
+
+function toggleContinuous() {
+	const anchor = state.fitMode === "free" ? scaleAnchor() : null;
+	setContinuous(!state.continuous);
 	clearStampHighlights();
 	if (state.fitMode === "free") {
 		restoreScaleAnchor(anchor);