更新

typecho/editor/joe.editor.css

@@ -1 +1 @@
-table.typecho-list-table textarea[name='fields[thumb]'],table.typecho-list-table textarea[name='fields[abstract]']{width:100%;height:80px}.wmd-button-row{height:unset}
+table.typecho-list-table textarea[name='fields[thumb]'],table.typecho-list-table textarea[name='fields[abstract]']{width:100%;height:80px}#wmd-button-row{height:auto}

typecho/editor/joe.editor.js

@@ -1,9 +1,18 @@
 $(function () {
 	$('#wmd-editarea textarea').attr('placeholder', '请输入文章内容...（支持图片粘贴上传）')
 	$('#wmd-button-bar .wmd-edittab').remove()
-    $('#wmd-button-row').html(`
-        <li>
+	$('#wmd-button-row .wmd-spacer').remove()
 
-        </li>
-    `)
+	/* 增加自定义功能 */
+	const items = [
+		{
+			title: '回复可见',
+			id: 'wmd-hide-button'
+		}
+	]
+
+	items.forEach(_ => {
+		let item = `<li class="wmd-button" id="${_.id}" title="${_.title}">啊</li>`
+		$('#wmd-button-row').append(item)
+	})
 })

typecho/editor/joe.editor.scss

@@ -5,6 +5,9 @@ table.typecho-list-table {
         height: 80px;
     }
 }
-.wmd-button-row {
-    height: unset;
+#wmd-button-row {
+    height: auto;
+    .wmd-button {
+        
+    }
 }