From 21315cab582218dddceeb885d3d21c70ad0e6350 Mon Sep 17 00:00:00 2001
From: BTMuli <bt-muli@outlook.com>
Date: Wed, 14 Jan 2026 23:09:51 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=A5=85=20=E5=BD=93=E6=97=A0=E6=B3=95?=
 =?UTF-8?q?=E8=AF=BB=E5=8F=96=E6=B3=A8=E5=86=8C=E8=A1=A8=E6=97=B6=E8=BF=94?=
 =?UTF-8?q?=E5=9B=9E1.0?=
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---
 src-tauri/src/utils.rs | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src-tauri/src/utils.rs b/src-tauri/src/utils.rs
index bbfd8eec..065bbe08 100644
--- a/src-tauri/src/utils.rs
+++ b/src-tauri/src/utils.rs
@@ -1,5 +1,5 @@
 // 杂项
-// @since Beta v0.9.1
+// @since Beta v0.9.2
 
 /// 获取当前系统的文本缩放比例（TextScaleFactor）
 /// 返回值示例：1.0 表示 100%，1.25 表示 125%
@@ -13,10 +13,14 @@ pub fn read_text_scale_factor() -> Result<f64, String> {
     use winreg::enums::*;
     use winreg::RegKey;
     let hkcu = RegKey::predef(HKEY_CURRENT_USER);
-    let key = hkcu
-      .open_subkey("Software\\Microsoft\\Accessibility")
-      .map_err(|e| format!("无法打开注册表: {}", e))?;
-
+    // 如果打开失败，直接返回默认值 1.0
+    let key = match hkcu.open_subkey("Software\\Microsoft\\Accessibility") {
+      Ok(k) => k,
+      Err(e) => {
+        log::error!("无法打开注册表: {}", e);
+        return Ok(1.0);
+      }
+    };
     let value: u32 = key.get_value("TextScaleFactor").unwrap_or(100u32); // 默认值为 100%
 
     Ok(value as f64 / 100.0)