diff --git a/client/web/plugins/com.msgbyte.bbcode/src/tags/BoldTag.tsx b/client/web/plugins/com.msgbyte.bbcode/src/tags/BoldTag.tsx
new file mode 100644
index 00000000..e35a8a61
--- /dev/null
+++ b/client/web/plugins/com.msgbyte.bbcode/src/tags/BoldTag.tsx
@@ -0,0 +1,10 @@
+import React from 'react';
+import type { TagProps } from '../bbcode/type';
+
+export const BoldTag: React.FC<TagProps> = React.memo((props) => {
+  const { node } = props;
+  const text = node.content.join('');
+
+  return <b>{text}</b>;
+});
+BoldTag.displayName = 'BoldTag';
diff --git a/client/web/plugins/com.msgbyte.bbcode/src/tags/__all__.ts b/client/web/plugins/com.msgbyte.bbcode/src/tags/__all__.ts
index 7abc5dfb..148bf252 100644
--- a/client/web/plugins/com.msgbyte.bbcode/src/tags/__all__.ts
+++ b/client/web/plugins/com.msgbyte.bbcode/src/tags/__all__.ts
@@ -6,10 +6,12 @@ import { PlainText } from './PlainText';
 import { UrlTag } from './UrlTag';
 import { EmojiTag } from './EmojiTag';
 import { MarkdownTag } from './MarkdownTag';
+import { BoldTag } from './BoldTag';
 
 import './styles.less';
 
 registerBBCodeTag('_text', PlainText);
+registerBBCodeTag('b', BoldTag);
 registerBBCodeTag('url', UrlTag);
 registerBBCodeTag('img', ImgTag);
 registerBBCodeTag('code', CodeTag);