From 5d3bfbabff86431f3acae037e8e2ea7afa848410 Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Tue, 30 Jan 2024 13:18:58 +0800
Subject: [PATCH] :iphone:

---
 app/src/util/assets.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/app/src/util/assets.ts b/app/src/util/assets.ts
index 9eb26062c..2046c0d65 100644
--- a/app/src/util/assets.ts
+++ b/app/src/util/assets.ts
@@ -313,6 +313,9 @@ export const setMode = (modeElementValue: number) => {
 };
 
 const rgba2hex = (rgba: string) => {
+    if (rgba.startsWith("#")) {
+        return rgba;
+    }
     let a: any;
     const rgb: any = rgba.replace(/\s/g, "").match(/^rgba?\((\d+),(\d+),(\d+),?([^,\s)]+)?/i);
     const alpha = (rgb && rgb[4] || "").trim();
@@ -334,7 +337,7 @@ const rgba2hex = (rgba: string) => {
 const updateMobileTheme = (OSTheme: string) => {
     if (isInIOS() || isInAndroid()) {
         setTimeout(() => {
-            const backgroundColor = rgba2hex(getComputedStyle(document.body).getPropertyValue("--b3-theme-background").trim().replace(" ", ""));
+            const backgroundColor = rgba2hex(getComputedStyle(document.body).getPropertyValue("--b3-theme-background").trim());
             let mode = window.siyuan.config.appearance.mode;
             if (window.siyuan.config.appearance.modeOS) {
                 if (OSTheme === "dark") {