From 9f8e5a6d1c0a62490783f9a1334a56335ffcabf1 Mon Sep 17 00:00:00 2001
From: yumoqing <yumoqing@gmail.com>
Date: Thu, 28 May 2026 14:33:59 +0800
Subject: [PATCH] fix: retry theme icon update until bricks button element
 exists

---
 wwwroot/shell_theme.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/wwwroot/shell_theme.js b/wwwroot/shell_theme.js
index 625ee6f..2b86ddb 100644
--- a/wwwroot/shell_theme.js
+++ b/wwwroot/shell_theme.js
@@ -122,6 +122,18 @@
     initRouter();
   }
 
+  // Bricks widgets render asynchronously after DOMContentLoaded.
+  // Retry updateThemeIcon until the button element exists.
+  (function retryThemeIcon() {
+    var btn = document.getElementById('theme_toggle_btn');
+    if (btn) {
+      var theme = document.documentElement.getAttribute('data-theme') || 'dark';
+      updateThemeIcon(theme);
+    } else {
+      setTimeout(retryThemeIcon, 200);
+    }
+  })();
+
   // Expose global functions for bricks bind access
   window.sageToggleTheme = toggleTheme;
   window.sageToggleSidebar = toggleSidebar;