diff --git a/docs/records/2026-03-06-ECX-8066.md b/docs/records/2026-03-06-ECX-8066.md
new file mode 100644
index 000000000..83ddb9fb5
--- /dev/null
+++ b/docs/records/2026-03-06-ECX-8066.md
@@ -0,0 +1,5 @@
+# 2026-03-06 | ECX-8066 | 首页 body 高度计算方式调整
+
+- **说明**：首页 onReady 中 body 高度由直接使用 SpPage 传入的 height 改为使用 `calc(100vh - gNavbarH - footerHeight)` 计算，与导航栏、底栏高度对齐，避免高度偏差。
+- **涉及**：`src/pages/index.js`
+- **类型**：refactor
diff --git a/src/pages/index.js b/src/pages/index.js
index 20d9239be..6b805a569 100644
--- a/src/pages/index.js
+++ b/src/pages/index.js
@@ -301,9 +301,9 @@ function Home() {
       }}
       ref={pageRef}
       navigateMantle={navigateMantle}
-      onReady={({ height, gNavbarH }) => {
+      onReady={({ gNavbarH,footerHeight }) => {
         setState((draft) => {
-          draft.bodyHeight = height
+          draft.bodyHeight = `calc(100vh - ${gNavbarH}px - ${footerHeight})`
           draft.navbarHeight = gNavbarH
         })
       }}
@@ -315,7 +315,7 @@ function Home() {
           pageRef.current.handlePageScroll(e?.detail)
         }}
         scrollIntoView={scrollIntoView}
-        style={{ height: state.bodyHeight }}
+        style={{ height: state.bodyHeight}}
         className={classNames('home-body', {
           'has-home-header': isShowHomeHeader && isWeixin
         })}