fix: add bdstatic.com to CSP allow list
diff --git a/src/editor/sandbox/index.js b/src/editor/sandbox/index.js
index b237a60..ce7b9f2 100644
--- a/src/editor/sandbox/index.js
+++ b/src/editor/sandbox/index.js
@@ -55,12 +55,14 @@
         '*.unpkg.com',
         '*.baidu.com',
         '*.bdimg.com',
+        '*.bdstatic.com',
         'apache.org',
         'jsdelivr.net',
         'jsdelivr.com',
         'unpkg.com',
         'baidu.com',
         'bdimg.com',
+        'bdstatic.com',
         'cdnjs.cloudflare.com',
         'cdn.bootcdn.net',
         'lib.baomitu.com',
@@ -77,6 +79,7 @@
     .map(([key, val]) => `${key} ${val.join(' ')}`)
     .join('; ');
   sandbox.srcdoc = srcdoc
+    .replace('__LANG__', document.documentElement.lang || 'en')
     .replace('__CSP__', sandbox.csp)
     .replace(
       '<!--SCRIPTS-->',
diff --git a/src/editor/sandbox/srcdoc.html b/src/editor/sandbox/srcdoc.html
index b99bf48..e7ffd88 100644
--- a/src/editor/sandbox/srcdoc.html
+++ b/src/editor/sandbox/srcdoc.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="__LANG__">
   <head>
     <meta charset="utf-8" />
     <meta http-equiv="Content-Security-Policy" content="__CSP__" />