diff --git a/app/src/components/QuestIntro.vue b/app/src/components/QuestIntro.vue
new file mode 100644
index 0000000..efb5ab7
--- /dev/null
+++ b/app/src/components/QuestIntro.vue
@@ -0,0 +1,121 @@
+<script setup lang="ts">
+import { useRouter } from 'vue-router'
+import { useToast } from 'vue-toastification'
+import { ref, defineProps, onMounted } from 'vue'
+import { getQuest } from '../utils/api'
+import MarkdownText from './MarkdownText.vue'
+
+const props = defineProps({
+  questTitle: {
+    type: String,
+    required: true,
+  },
+  questId: {
+    type: String,
+    required: true,
+  },
+  questUnlocked: {
+    type: Boolean,
+    required: true,
+  },
+})
+const emit = defineEmits(['closeIntro'])
+const showIntro = ref(true) // Controls whether the modal is visible or not
+const router = useRouter()
+const toast = useToast()
+const { questTitle, questId, questUnlocked } = props
+const questInstruction = ref('')
+const questColor = ref('')
+const questTextColor = ref('')
+const closeModal = () => {
+  showIntro.value = false
+  emit('closeIntro', true)
+  router.push({ name: 'map' })
+}
+const handleQuests = (id: string) => {
+  if (questUnlocked) {
+    router.push({ name: 'game', params: { questId: id } })
+  } else {
+    toast.warning('你還沒完成前一個關卡!')
+  }
+}
+const handleColour = () => {
+  if (questUnlocked) {
+    questColor.value = '#00ff00'
+    questTextColor.value = '#000000'
+  } else {
+    questColor.value = '#505050'
+    questTextColor.value = '#a0a0a0'
+  }
+}
+onMounted(async () => {
+  const quest = await getQuest(questId)
+  questInstruction.value = quest.instruction
+  handleColour()
+})
+</script>
+
+<template>
+  <div v-if="showIntro" class="modal">
+    <div class="modal-content bg-bg-secondary rounded-lg">
+      <span class="close text-text content-between" @click="closeModal"
+        >&times;</span
+      >
+
+      <h2
+        id="QuestTitle"
+        class="text-2xl text-text mb-5 w-full inline-flex justify-center"
+      >
+        {{ questTitle }}
+      </h2>
+      <div class="w-full h-3/5 p-8">
+        <div class="px-5 whitespace-pre-wrap">
+          <MarkdownText
+            class="text-text markdown-content"
+            :content="questInstruction"
+          />
+        </div>
+      </div>
+      <a
+        id="StartAdventure"
+        target="_blank"
+        @click="handleQuests(questId)"
+        :style="{ backgroundColor: questColor, color: questTextColor }"
+        class="inline-flex justify-center rounded-lg text-base font-black py-3 mt-5 w-full text-lg"
+        >開始冒險</a
+      >
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.modal {
+  display: block;
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background-color: rgba(0, 0, 0, 0.7);
+  z-index: 1;
+}
+
+.modal-content {
+  position: relative;
+  margin: 10% auto;
+  padding: 20px;
+  width: 60%;
+  height: 50%;
+}
+
+.close {
+  position: absolute;
+  top: 0;
+  right: 10px;
+  font-size: 30px;
+  cursor: pointer;
+}
+.markdown-content {
+  text-align: left;
+}
+</style>
diff --git a/app/src/components/QuestMap.vue b/app/src/components/QuestMap.vue
index 680743d..95a003f 100644
--- a/app/src/components/QuestMap.vue
+++ b/app/src/components/QuestMap.vue
@@ -1,13 +1,12 @@
 <script setup lang="ts">
 import { ref, onMounted, watch, computed } from 'vue'
-import { useRouter } from 'vue-router'
 import { useToast } from 'vue-toastification'
 import { DAG } from '@linux-odyssey/utils'
 import { getQuests } from '../utils/api'
 import useUserProfile from '../store/userProfile'
+import QuestIntro from './QuestIntro.vue'
 
 const store = useUserProfile()
-const router = useRouter()
 const toast = useToast()
 
 const svgWidth = ref(window.innerWidth)
@@ -18,7 +17,7 @@ const marginY = 120
 
 const nodeWidth = 160
 const nodeHeight = 50
-
+const opened = ref<Node | null>(null)
 type Node = {
   id: string
   title: string
@@ -101,12 +100,12 @@ async function computeGraphData() {
     toast.error('Failed to load quest data')
   }
 }
-
-function handleNodeClick(node: { id: string; unlocked: boolean }) {
-  if (node.unlocked) {
-    router.push({ name: 'game', params: { questId: node.id } })
-  } else {
-    toast.warning('你還沒完成前一個關卡!')
+function handleNodeClick(node: Node) {
+  opened.value = node
+}
+function closeIntro(close: boolean) {
+  if (close) {
+    opened.value = null
   }
 }
 
@@ -145,63 +144,69 @@ const edgeStyle = computed(() => {
 
 <template>
   <div class="relative bg-black w-full h-full flex">
-    <img
-      src="../img/catelogbg.svg"
-      alt="bg"
-      class="p-2 stroke-2 scale-y-120 justify-center items-center"
-    />
-    <h1
-      class="p-10 absolute w-fit z-2 font-mono flex flax-wrap text-xl"
-      style="width: 30%; height: 6%; font-size: 3vh; color: #00ff00"
+    <div
+      class="flex place-content-center w-full bg-catelogbg bg-cover bg-scroll"
     >
-      踏上你的Linux冒險之旅吧！
-    </h1>
-    <svg
-      :width="svgWidth"
-      :height="svgHeight"
-      class="absolute"
-      @mousedown="startDrag"
-      @mousemove="drag"
-      @mouseup="endDrag"
-      @mouseleave="endDrag"
-    >
-      <g :transform="`translate(${offsetX}, ${offsetY})`">
-        <g
-          v-for="edge in graphData.edges"
-          :key="`${edge.source.id}-${edge.target.id}`"
-        >
-          <path
-            :d="curvedPath(edge.source, edge.target)"
-            :class="['edge', edgeStyle(edge)]"
-          />
-        </g>
-        <g
-          v-for="node in graphData.nodes"
-          :key="node.id"
-          @click="handleNodeClick(node)"
-        >
-          <rect
-            :x="node.x - nodeWidth / 2"
-            :y="node.y - nodeHeight / 2"
-            :width="nodeWidth"
-            :height="nodeHeight"
-            rx="10"
-            ry="10"
-            :class="['node', nodeStyle(node)]"
-          />
-          <text
-            :x="node.x"
-            :y="node.y"
-            text-anchor="middle"
-            alignment-baseline="middle"
-            :class="['node-text', nodeStyle(node)]"
-            font-size="18"
+      <h1
+        class="p-10 absolute w-fit z-2 font-mono flex flax-wrap text-xl"
+        style="width: 30%; height: 6%; font-size: 3vh; color: #00ff00"
+      >
+        踏上你的Linux冒險之旅吧！
+      </h1>
+      <svg
+        :width="svgWidth"
+        :height="svgHeight"
+        class="absolute"
+        @mousedown="startDrag"
+        @mousemove="drag"
+        @mouseup="endDrag"
+        @mouseleave="endDrag"
+      >
+        <g :transform="`translate(${offsetX}, ${offsetY})`">
+          <g
+            v-for="edge in graphData.edges"
+            :key="`${edge.source.id}-${edge.target.id}`"
           >
-            {{ node.title }}
-          </text>
+            <path
+              :d="curvedPath(edge.source, edge.target)"
+              :class="['edge', edgeStyle(edge)]"
+            />
+          </g>
+          <g
+            v-for="node in graphData.nodes"
+            :key="node.id"
+            @click="handleNodeClick(node)"
+          >
+            <rect
+              :x="node.x - nodeWidth / 2"
+              :y="node.y - nodeHeight / 2"
+              :width="nodeWidth"
+              :height="nodeHeight"
+              rx="10"
+              ry="10"
+              :class="['node', nodeStyle(node)]"
+            />
+            <text
+              :x="node.x"
+              :y="node.y"
+              text-anchor="middle"
+              alignment-baseline="middle"
+              :class="['node-text', nodeStyle(node)]"
+              font-size="18"
+            >
+              {{ node.title }}
+            </text>
+          </g>
         </g>
-      </g>
-    </svg>
+      </svg>
+      <QuestIntro
+        :questTitle="opened.title"
+        :questId="opened.id"
+        :questUnlocked="opened.unlocked"
+        v-if="opened"
+        @close-intro="closeIntro"
+      />
+    </div>
   </div>
 </template>
 
diff --git a/app/tailwind.config.ts b/app/tailwind.config.ts
index 86b5160..7e2e587 100644
--- a/app/tailwind.config.ts
+++ b/app/tailwind.config.ts
@@ -24,6 +24,9 @@ export default {
           DEFAULT: '#FF0000',
         },
       },
+      backgroundImage: {
+        catelogbg: "url('src/img/catelogbg.svg')",
+      },
     },
   },
   plugins: [],