diff --git a/src/components.d.ts b/src/components.d.ts
index cfa4c63..4e20cf6 100644
--- a/src/components.d.ts
+++ b/src/components.d.ts
@@ -8,15 +8,16 @@ declare module '@vue/runtime-core' {
     BaseFooter: typeof import('./components/BaseFooter.vue')['default']
     ChooseFood: typeof import('./components/ChooseFood.vue')['default']
     Counter: typeof import('./components/Counter.vue')['default']
-    DishTag: typeof import('./components/DishTag.vue')['default']
-    MeatTag: typeof import('./components/MeatTag.vue')['default']
+    DishTag: typeof import('./components/tags/DishTag.vue')['default']
+    MeatTag: typeof import('./components/tags/MeatTag.vue')['default']
     Menu: typeof import('./components/Menu.vue')['default']
     README: typeof import('./components/README.md')['default']
     RouterLink: typeof import('vue-router')['RouterLink']
     RouterView: typeof import('vue-router')['RouterView']
-    StapleTag: typeof import('./components/StapleTag.vue')['default']
-    ToolTag: typeof import('./components/ToolTag.vue')['default']
-    VegetableTag: typeof import('./components/VegetableTag.vue')['default']
+    StapleTag: typeof import('./components/tags/StapleTag.vue')['default']
+    Switch: typeof import('./components/Switch.vue')['default']
+    ToolTag: typeof import('./components/tags/ToolTag.vue')['default']
+    VegetableTag: typeof import('./components/tags/VegetableTag.vue')['default']
   }
 }
 
diff --git a/src/components/ChooseFood.vue b/src/components/ChooseFood.vue
index f73761d..5a46443 100644
--- a/src/components/ChooseFood.vue
+++ b/src/components/ChooseFood.vue
@@ -1,14 +1,13 @@
 <script lang="ts" setup>
 import { useGtm } from '@gtm-support/vue-gtm'
-import MeatTag from './MeatTag.vue'
-import StapleTag from './StapleTag.vue'
-import DishTag from './DishTag.vue'
 import type { StuffItem } from '~/data/food'
 import { meat, staple, tools, vegetable } from '~/data/food'
 import recipeData from '~/data/recipe.json'
 import type { Recipe } from '~/types'
 import { useRecipeStore } from '~/stores/recipe'
 
+import { useInvisibleElement } from '~/composables/helper'
+
 const recipe = ref<Recipe>(recipeData as Recipe)
 
 const rStore = useRecipeStore()
@@ -61,9 +60,25 @@ const clickTool = (item: StuffItem) => {
     label: '工具',
   })
 }
+
+const recipePanel = ref()
+const { isVisible, show } = useInvisibleElement(recipePanel)
 </script>
 
 <template>
+  <Transition>
+    <button
+      v-if="displayedRecipe.length !== recipe.length && displayedRecipe.length && !isVisible"
+      class="fixed inline-flex justify-center items-center rounded rounded-full shadow hover:shadow-md"
+      bg="green-50" w="10" h="10" bottom="4" right="4"
+      text="green-600"
+      @click="show"
+    >
+      <!-- <div i-mdi-bowl-mix-outline /> -->
+      🍲
+    </button>
+  </Transition>
+
   <h2 m="t-4" text="xl" font="bold" p="1">
     🥘 先选一下食材
   </h2>
@@ -142,20 +157,7 @@ const clickTool = (item: StuffItem) => {
     </ToolTag>
   </div>
 
-  <!-- <div class="inline-flex justify-center items-center" m="y-4">
-    <span :class="!strict && 'text-green-600'" font="bold" m="x-1" @click="strict = false">
-      可做的所有菜
-    </span>
-    <label m="x-1" class="switch">
-      <input v-model="strict" type="checkbox">
-      <span class="inline-flex justify-center items-center slider round" />
-    </label>
-    <span :class="strict && 'text-green-600'" font="bold" m="x-1" @click="strict = true">
-      一起做一道菜
-    </span>
-  </div> -->
-
-  <div m="2 t-4" p="2" class="transition shadow hover:shadow-md" bg="gray-400/8">
+  <div ref="recipePanel" m="2 t-4" p="2" class="transition shadow hover:shadow-md" bg="gray-400/8">
     <h2 text="xl" font="bold" p="1">
       🍲 来看看组合出的菜谱吧！
     </h2>
@@ -184,63 +186,3 @@ const clickTool = (item: StuffItem) => {
     </Transition>
   </div>
 </template>
-
-<style lang="scss">
-.switch {
-  position: relative;
-  display: inline-block;
-  width: 48px;
-  height: 28px;
-
-  input {
-    opacity: 0;
-    width: 0;
-    height: 0;
-  }
-}
-
-.slider {
-  position: absolute;
-  cursor: pointer;
-  top: 0;
-  left: 0;
-  right: 0;
-  bottom: 0;
-  background-color: rgba(122,122,122,0.3);
-  -webkit-transition: .4s;
-  transition: .4s;
-}
-
-$size: 20px;
-
-.slider:before {
-  position: absolute;
-  content: "";
-  height: $size;
-  width: $size;
-  left: 4px;
-  bottom: 4px;
-  background-color: white;
-  -webkit-transition: .4s;
-  transition: .4s;
-}
-
-input:checked + .slider {
-  @apply bg-green-600;
-}
-
-input:checked + .slider:before {
-  -webkit-transform: translateX($size);
-  -ms-transform: translateX($size);
-  transform: translateX($size);
-}
-
-/* Rounded sliders */
-.slider.round {
-  border-radius: 28px;
-
-  &:before {
-    border-radius: 50%;
-  }
-}
-</style>
diff --git a/src/components/Switch.vue b/src/components/Switch.vue
new file mode 100644
index 0000000..27115d3
--- /dev/null
+++ b/src/components/Switch.vue
@@ -0,0 +1,81 @@
+<script lang="ts" setup>
+import { storeToRefs } from 'pinia'
+import { useRecipeStore } from '~/stores/recipe'
+const rStore = useRecipeStore()
+const { strict } = storeToRefs(rStore)
+</script>
+
+<template>
+  <div class="inline-flex justify-center items-center" m="y-4">
+    <span :class="!strict && 'text-green-600'" font="bold" m="x-1" @click="strict = false">
+      可做的所有菜
+    </span>
+    <label m="x-1" class="switch">
+      <input v-model="strict" type="checkbox">
+      <span class="inline-flex justify-center items-center slider round" />
+    </label>
+    <span :class="strict && 'text-green-600'" font="bold" m="x-1" @click="strict = true">
+      一起做一道菜
+    </span>
+  </div>
+</template>
+
+<style lang="scss">
+.switch {
+  position: relative;
+  display: inline-block;
+  width: 48px;
+  height: 28px;
+
+  input {
+    opacity: 0;
+    width: 0;
+    height: 0;
+  }
+}
+
+.slider {
+  position: absolute;
+  cursor: pointer;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: rgba(122,122,122,0.3);
+  -webkit-transition: .4s;
+  transition: .4s;
+}
+
+$size: 20px;
+
+.slider:before {
+  position: absolute;
+  content: "";
+  height: $size;
+  width: $size;
+  left: 4px;
+  bottom: 4px;
+  background-color: white;
+  -webkit-transition: .4s;
+  transition: .4s;
+}
+
+input:checked + .slider {
+  @apply bg-green-600;
+}
+
+input:checked + .slider:before {
+  -webkit-transform: translateX($size);
+  -ms-transform: translateX($size);
+  transform: translateX($size);
+}
+
+/* Rounded sliders */
+.slider.round {
+  border-radius: 28px;
+
+  &:before {
+    border-radius: 50%;
+  }
+}
+</style>
diff --git a/src/components/DishTag.vue b/src/components/tags/DishTag.vue
similarity index 100%
rename from src/components/DishTag.vue
rename to src/components/tags/DishTag.vue
diff --git a/src/components/MeatTag.vue b/src/components/tags/MeatTag.vue
similarity index 100%
rename from src/components/MeatTag.vue
rename to src/components/tags/MeatTag.vue
diff --git a/src/components/StapleTag.vue b/src/components/tags/StapleTag.vue
similarity index 100%
rename from src/components/StapleTag.vue
rename to src/components/tags/StapleTag.vue
diff --git a/src/components/ToolTag.vue b/src/components/tags/ToolTag.vue
similarity index 100%
rename from src/components/ToolTag.vue
rename to src/components/tags/ToolTag.vue
diff --git a/src/components/VegetableTag.vue b/src/components/tags/VegetableTag.vue
similarity index 100%
rename from src/components/VegetableTag.vue
rename to src/components/tags/VegetableTag.vue
diff --git a/src/composables/helper.ts b/src/composables/helper.ts
new file mode 100644
index 0000000..414dd8b
--- /dev/null
+++ b/src/composables/helper.ts
@@ -0,0 +1,27 @@
+import { useElementBounding, useIntersectionObserver } from '@vueuse/core'
+import type { Ref } from 'vue'
+import { ref } from 'vue'
+
+/**
+ * trigger show invisible element
+ * @param target
+ * @returns
+ */
+export function useInvisibleElement(target: Ref<HTMLElement>) {
+  const isVisible = ref(false)
+  const { top } = useElementBounding(target)
+  useIntersectionObserver(target, ([{ isIntersecting }]) => {
+    isVisible.value = isIntersecting
+  })
+
+  const show = () => {
+    // scroll when collapse is not visible
+    if (!isVisible.value)
+      window.scrollTo(0, top.value)
+  }
+
+  return {
+    isVisible,
+    show,
+  }
+}
diff --git a/src/stores/recipe.ts b/src/stores/recipe.ts
index 7105274..de3105b 100644
--- a/src/stores/recipe.ts
+++ b/src/stores/recipe.ts
@@ -1,6 +1,8 @@
 import { acceptHMRUpdate, defineStore } from 'pinia'
 
 export const useRecipeStore = defineStore('recipe', () => {
+  const strict = ref(true)
+
   const curStuff = ref(new Set<string>())
   const curTools = ref(new Set<string>())
 
@@ -34,6 +36,7 @@ export const useRecipeStore = defineStore('recipe', () => {
   }
 
   return {
+    strict,
     selectedTools,
     selectedStuff,
     toggleStuff,