v1.2.49 发布寻号优化版：支持输入D/E字符

config/VERSION

@@ -1 +1 @@
-VERSION=1.2.48
+VERSION=1.2.49

frontend/index.html

@@ -4,7 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
   <meta name="apple-mobile-web-app-capable" content="yes">
-  <title>甲辰收藏 v1.2.48</title>
+  <title>甲辰收藏 v1.2.49</title>
   
   <!-- Favicon -->
   <link rel="icon" type="image/png" href="/static/icons/favicon.png" />

frontend/src/pages/News.jsx

@@ -389,7 +389,7 @@ export default function News() {
                       readOnly={isFixed}
                       onChange={(e) => {
                         if (i < 2) return
-                        const val = e.target.value.toUpperCase().replace(/[^0-9XABCFG]/g, '')
+                        const val = e.target.value.toUpperCase().replace(/[^0-9XABCDEFG]/g, '')
                         const newFeatures = (seekForm.features || '').split('')
                         while (newFeatures.length < 8) newFeatures.push('')
                         newFeatures[i - 2] = val