diff --git a/src/components/layout/Sidebar.tsx b/src/components/layout/Sidebar.tsx
index 47361e3..3b0b6f8 100644
--- a/src/components/layout/Sidebar.tsx
+++ b/src/components/layout/Sidebar.tsx
@@ -8,6 +8,7 @@ import {
   Layers,
   Scissors,
   LayoutGrid,
+  TableProperties,
   Share2,
   Settings,
   ChevronLeft,
@@ -22,6 +23,7 @@ const navItems = [
   { path: '/', label: '首页', icon: Home },
   { path: '/process-matrix', label: '49过程矩阵', icon: LayoutGrid },
   { path: '/process-practice', label: '过程背诵练习', icon: GraduationCap },
+  { path: '/itto-collections', label: '输入输出表', icon: TableProperties },
   { path: '/knowledge-areas', label: '知识领域', icon: BookOpen },
   { path: '/process-groups', label: '过程组', icon: Layers },
   { path: '/knowledge-areas-tailoring', label: '裁剪因素', icon: Scissors },
diff --git a/src/data/changelog.json b/src/data/changelog.json
index 1badb5e..e5b0b4a 100644
--- a/src/data/changelog.json
+++ b/src/data/changelog.json
@@ -1,5 +1,12 @@
 {
   "changelogEntries": [
+    {
+      "id": "2026-05-18-itto-collections",
+      "date": "2026-05-18",
+      "type": "feat",
+      "title": "新增输入输出表",
+      "scope": "ITTO"
+    },
     {
       "id": "2026-05-13-performance-domain-practice",
       "date": "2026-05-13",