diff --git a/TeXmacs/misc/themes/liii-night.css b/TeXmacs/misc/themes/liii-night.css
index 83c0449abb..95a6e66218 100644
--- a/TeXmacs/misc/themes/liii-night.css
+++ b/TeXmacs/misc/themes/liii-night.css
@@ -360,6 +360,14 @@ QTMTabPage QToolButton#tabpage-close-button {
   color: #ffffff;
 }
 
+QTMTabPage QToolButton#tabpage-close-button[platform="mac"] {
+  min-width: 16px;
+  min-height: 16px;
+  max-width: 16px;
+  max-height: 16px;
+  font-size: 12pt;
+}
+
 QTMTabPage QToolButton#tabpage-close-button:hover {
   background-color: #E81123;
   color: #FFFFFF;
@@ -379,6 +387,14 @@ QTMTabPageContainer QToolButton#add-tab-button {
   font-size: 12pt;
 }
 
+QTMTabPageContainer QToolButton#add-tab-button[platform="mac"] {
+  min-width: 20px;
+  min-height: 20px;
+  max-width: 20px;
+  max-height: 20px;
+  font-size: 11pt;
+}
+
 QTMTabPageContainer QToolButton#add-tab-button:hover {
   background-color: rgba(255, 255, 255, 0.06);
 }
diff --git a/devel/222_47.md b/devel/222_47.md
new file mode 100644
index 0000000000..c9d061fc83
--- /dev/null
+++ b/devel/222_47.md
@@ -0,0 +1,8 @@
+# 222_47 修复macOS黑夜模式下标签页关闭添加按钮和liii主题不一致的问题
+## 如何测试
+- 进入黑夜模式
+- 检查标签页按钮悬停效果
+
+## 2026/02/27
+### What
+之前针对mac优化了标签页关闭添加按钮，但是liii-night忘记添加了
\ No newline at end of file