修复 src 结构

src/component/body/index.less

@@ -0,0 +1,8 @@
+.layui-body {
+  display: block;
+  flex: 1;
+  overflow: auto;
+  height: 100%;
+  box-sizing: border-box;
+  min-height: 300px;
+}

src/component/body/index.ts

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+import type { App } from "vue";
+import Component from "./index.vue";
+import type { IDefineComponent } from "../type/index";
+
+Component.install = (app: App) => {
+  app.component(Component.name || "LayBody", Component);
+};
+
+export default Component as IDefineComponent;

src/component/body/index.vue

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+<script lang="ts">
+export default {
+  name: "LayBody",
+};
+</script>
+
+<script setup name="LayBody" lang="ts">
+import "./index.less";
+</script>
+
+<template>
+  <div class="layui-body">
+    <slot></slot>
+  </div>
+</template>