From d172206d71ffc35a4863cf7d3c1c422899900a75 Mon Sep 17 00:00:00 2001
From: "Ray.Hao" <1490493387@qq.com>
Date: Sun, 18 Jan 2026 09:00:03 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E4=BB=8E=E5=B7=A6?=
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---
 src/layouts/MixLayout.vue | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/layouts/MixLayout.vue b/src/layouts/MixLayout.vue
index 09f31fcb..b47357ff 100644
--- a/src/layouts/MixLayout.vue
+++ b/src/layouts/MixLayout.vue
@@ -207,8 +207,15 @@ watch(
   () => route.path,
   (newPath) => {
     const topMenuPath = extractTopMenuPath(newPath);
-    if (topMenuPath !== activeTopMenuPath.value) {
+    const isTopMenuChanged = topMenuPath !== activeTopMenuPath.value;
+
+    if (isTopMenuChanged) {
       appStore.activeTopMenu(topMenuPath);
+    }
+
+    // 切换布局（如左侧 -> 混合）时，activeTopMenuPath 可能已是正确值，
+    // 但 mixLayoutSideMenus 仍为空，需要补一次初始化。
+    if (isTopMenuChanged || permissionStore.mixLayoutSideMenus.length === 0) {
       permissionStore.setMixLayoutSideMenus(topMenuPath);
     }
   },