diff --git a/src/components/Discover/Map/Filter/Funnel.vue b/src/components/Discover/Map/Filter/Funnel.vue
index c98eb39..27b0c86 100644
--- a/src/components/Discover/Map/Filter/Funnel.vue
+++ b/src/components/Discover/Map/Filter/Funnel.vue
@@ -102,6 +102,9 @@ export default {
         await this.allMapDataStore.addTempFilterId();
         await this.allMapDataStore.getAllMapData();
         await this.allMapDataStore.getAllTrace(); // SidebarTrace 要連動
+        if(this.temporaryData[0]?.type) {
+          this.allMapDataStore.traceId = await this.allMapDataStore.traces[0]?.id;
+        }
         await this.$emit('submit-all');
         this.isLoading = false;
         this.$toast.success('Filter(s) applied.');
diff --git a/src/components/Discover/Map/Filter/Trace.vue b/src/components/Discover/Map/Filter/Trace.vue
index 194cd8d..1ee93de 100644
--- a/src/components/Discover/Map/Filter/Trace.vue
+++ b/src/components/Discover/Map/Filter/Trace.vue
@@ -50,8 +50,8 @@
           <div id="cyTrace" ref="cyTrace" class="h-full min-w-full relative"></div>
         </div>
       </div>
-      <div class="overflow-y-auto overflow-x-auto scrollbar h-[calc(100%_-_264px)]">
-        <DataTable :value="cases" showGridlines tableClass="text-sm" breakpoint="0">
+      <div class="overflow-y-auto overflow-x-auto scrollbar h-[calc(100%_-_264px)] infiniteTable" @scroll="handleScroll">
+        <DataTable :value="infiniteData" showGridlines tableClass="text-sm" breakpoint="0">
           <Column field="id" header="Case ID" ></Column>
           <Column field="started_at" header="Start time" ></Column>
           <Column field="completed_at" header="End time" ></Column>
@@ -72,10 +72,10 @@ export default {
   setup() {
     const allMapDataStore = AllMapDataStore();
     const loadingStore = LoadingStore();
-    const { traces, traceTaskSeq, cases } = storeToRefs(allMapDataStore);
+    const { infinit404, infiniteStart, traces, traceTaskSeq, cases } = storeToRefs(allMapDataStore);
     const { isLoading } = storeToRefs(loadingStore);
 
-    return {allMapDataStore, traces, traceTaskSeq, cases, isLoading}
+    return {allMapDataStore, infinit404, infiniteStart, traces, traceTaskSeq, cases, isLoading}
   },
   data() {
     return {
@@ -84,6 +84,8 @@ export default {
         edges:[],
       },
       showTraceId: null,
+      infinitMaxItems: false,
+      infiniteData: [],
       chartOptions: null,
       selectArea: [0, 1]
     }
@@ -136,7 +138,14 @@ export default {
     selectArea: function(newValue) {
       let roundValue = Math.round(newValue[1].toFixed());
       if(newValue[1] !== roundValue) this.selectArea[1] = roundValue;
-    }
+    },
+    infinite404: function(newValue) {
+      if(newValue === 404) this.infinitMaxItems = true;
+    },
+    showTraceId: function(newValue, oldValue) {
+      let isScrollTop = document.querySelector('.infiniteTable');
+      if(isScrollTop && typeof isScrollTop.scrollTop !== 'undefined') if(newValue !== oldValue) isScrollTop.scrollTop = 0;
+    },
   },
   methods: {
     /**
@@ -210,9 +219,12 @@ export default {
      */
      async switchCaseData(id, count) {
       if(count >= 1000) this.isLoading = true;
+      this.infinit404 = null;
+      this.infinitMaxItems = false;
       this.showTraceId = id;
+      this.infiniteStart = 0;
       this.allMapDataStore.traceId = id;
-      await this.allMapDataStore.getTraceDetail();
+      this.infiniteData = await this.allMapDataStore.getTraceDetail();
       this.createCy();
       this.isLoading = false;
     },
@@ -265,6 +277,30 @@ export default {
       this.setEdgesData();
       cytoscapeMapTrace(this.processMap.nodes, this.processMap.edges, graphId);
     },
+    /**
+     * 無限滾動: 監聽 scroll 有沒有滾到底部
+     * @param {element} event
+     */
+     handleScroll(event) {
+      if(this.infinitMaxItems || this.cases.length < 20) return;
+
+      const container = event.target;
+      const overScrollHeight = container.scrollTop + container.clientHeight >= container.scrollHeight;
+
+      if(overScrollHeight) this.fetchData();
+    },
+    /**
+     * 無限滾動: 滾到底後，要載入數據
+     */
+    async fetchData() {
+      try {
+        this.infiniteStart += 20;
+        await this.allMapDataStore.getTraceDetail();
+        this.infiniteData = [...this.infiniteData, ...this.cases];
+      } catch(error) {
+        console.error('Failed to load data:', error);
+      }
+    }
   },
   mounted() {
     this.setNodesData();
diff --git a/src/components/Discover/Map/SidebarFilter.vue b/src/components/Discover/Map/SidebarFilter.vue
index cd62efe..9be9016 100644
--- a/src/components/Discover/Map/SidebarFilter.vue
+++ b/src/components/Discover/Map/SidebarFilter.vue
@@ -1,5 +1,5 @@
 <template>
-  <Sidebar :visible="sidebarFilter" :closeIcon="'pi pi-chevron-left'" :modal="false" position="left" :dismissable="true" :baseZIndex="15" class="!w-11/12 !bg-neutral-100" @hide="hide()">
+  <Sidebar :visible="sidebarFilter" :closeIcon="'pi pi-chevron-left'" :modal="false" position="left" :dismissable="true" :baseZIndex="15" class="!w-11/12 !bg-neutral-100">
     <template #header>
       <ul class="flex space-x-4">
         <li class="h1 border-r-2 border-neutral-300 pr-4 cursor-pointer hover:text-neutral-900 hover:duration-700" @click="switchTab('filter')" :class="tab === 'filter'? 'text-neutral-900': 'text-neutral-500'" id="tabFilter">Filter</li>
@@ -498,10 +498,12 @@ export default {
           }
           break;
         case 'Trace': // Filter Type 選 Trace 的行為
+          let lowerIndex = this.$refs.filterTraceView.selectArea[0];
+          let upperIndex = this.$refs.filterTraceView.selectArea[1]-1;
           data = {
             type: 'trace-freq',
-            lower: this.$refs.filterTraceView.selectArea[0]+1,
-            upper: this.$refs.filterTraceView.selectArea[1],
+            lower: this.allMapDataStore.traces[lowerIndex].id,
+            upper: this.allMapDataStore.traces[upperIndex].id,
             is_exclude: isExclude,
           };
           break;
@@ -552,14 +554,6 @@ export default {
     sumbitAll() {
       this.$emit('submit-all');
     },
-    /**
-     * hide map
-     */
-    hide() {
-      // 因 trace api 連動，所以關閉側邊欄時讓數值歸 1
-      this.allMapDataStore.traceId = 1;
-      this.allMapDataStore.getTraceDetail();
-    }
   },
 }
 </script>
diff --git a/src/components/Discover/Map/SidebarTraces.vue b/src/components/Discover/Map/SidebarTraces.vue
index f3d5221..2caebdc 100644
--- a/src/components/Discover/Map/SidebarTraces.vue
+++ b/src/components/Discover/Map/SidebarTraces.vue
@@ -1,5 +1,5 @@
 <template>
-  <Sidebar :visible="sidebarTraces" :closeIcon="'pi pi-chevron-left'" :modal="false" position="left" :dismissable="true" class="!w-11/12" @show="show()" @hide="hide()">
+  <Sidebar :visible="sidebarTraces" :closeIcon="'pi pi-chevron-left'" :modal="false" position="left" :dismissable="true" class="!w-11/12" @show="show()">
     <template #header>
       <p class="h1">Traces</p>
     </template>
@@ -41,8 +41,8 @@
             <div id="cyTrace" ref="cyTrace" class="h-full min-w-full relative"></div>
           </div>
         </div>
-        <div class="overflow-y-auto overflow-x-auto scrollbar h-[calc(100%_-_264px)]">
-          <DataTable :value="cases" showGridlines tableClass="text-sm" breakpoint="0">
+        <div class="overflow-y-auto overflow-x-auto scrollbar h-[calc(100%_-_264px)] infiniteTable" @scroll="handleScroll">
+          <DataTable :value="infiniteData" showGridlines tableClass="text-sm" breakpoint="0">
             <Column field="id" header="Case ID" ></Column>
             <Column field="started_at" header="Start time" ></Column>
             <Column field="completed_at" header="End time" ></Column>
@@ -52,21 +52,17 @@
     </div>
   </Sidebar>
 </template>
-
 <script>
-import cytoscapeMapTrace from '@/module/cytoscapeMapTrace.js';
+import { storeToRefs } from 'pinia';
 import AllMapDataStore from '@/stores/allMapData.js';
+import cytoscapeMapTrace from '@/module/cytoscapeMapTrace.js';
 
 export default {
-  props: {
-    sidebarTraces: Boolean,
-    traces: Array,
-    traceTaskSeq: Array,
-    cases: Array,
-  },
+  props: ['sidebarTraces'],
   setup() {
     const allMapDataStore = AllMapDataStore();
-    return {allMapDataStore}
+    const { infinit404, infiniteStart, traceId, traces, traceTaskSeq, cases, infiniteFirstCases } = storeToRefs(allMapDataStore);
+    return {allMapDataStore, infinit404, infiniteStart, traceId, traces, traceTaskSeq, cases, infiniteFirstCases}
   },
   data() {
     return {
@@ -74,7 +70,9 @@ export default {
         nodes:[],
         edges:[],
       },
-      showTraceId: 1,
+      showTraceId: null,
+      infinitMaxItems: false,
+      infiniteData: [],
     }
   },
   computed: {
@@ -93,7 +91,25 @@ export default {
           ratio: this.getPercentLabel(trace.count / sum),
         };
       }).sort((x, y) => x.id - y.id);
+    }
+  },
+  watch: {
+    infinite404: function(newValue) {
+      if(newValue === 404) this.infinitMaxItems = true;
     },
+    traceId: {
+      handler(newValue) {
+        this.showTraceId = newValue;
+      },
+      immediate: true
+    },
+    showTraceId: function(newValue, oldValue) {
+      let isScrollTop = document.querySelector('.infiniteTable');
+      if(isScrollTop && typeof isScrollTop.scrollTop !== 'undefined') if(newValue !== oldValue) isScrollTop.scrollTop = 0;
+    },
+    infiniteFirstCases: function(newValue){
+      if(this.infiniteFirstCases) this.infiniteData = JSON.parse(JSON.stringify(newValue));
+    }
   },
   methods: {
     /**
@@ -117,7 +133,11 @@ export default {
      * @param {number} id
      */
     async switchCaseData(id, count) {
+      if(count >= 1000) this.isLoading = true;
+      this.infinit404 = null;
+      this.infinitMaxItems = false;
       this.showTraceId = id;
+      this.infiniteStart = 0;
       this.$emit('switch-Trace-Id', {id: this.showTraceId, count: count});
     },
     /**
@@ -172,20 +192,43 @@ export default {
     /**
      * create map
      */
-     show() {
+     async show() {
+      // 因 trace api 連動，所以關閉側邊欄時讓數值歸 traces 第一筆 id
+      this.showTraceId = await this.traces[0]?.id;
+      this.infiniteStart = await 0;
+      await this.allMapDataStore.getTraceDetail();
       this.setNodesData();
       this.setEdgesData();
       this.createCy();
     },
     /**
-     * hide map
+     * 無限滾動: 監聽 scroll 有沒有滾到底部
+     * @param {element} event
      */
-    hide() {
-      // 因 trace api 連動，所以關閉側邊欄時讓數值歸 1
-      this.showTraceId = 1;
-      this.allMapDataStore.getTraceDetail();
+    handleScroll(event) {
+      if(this.infinitMaxItems || this.cases.length < 20) return;
+
+      const container = event.target;
+      const overScrollHeight = container.scrollTop + container.clientHeight >= container.scrollHeight;
+
+      if(overScrollHeight) this.fetchData();
+    },
+    /**
+     * 無限滾動: 滾到底後，要載入數據
+     */
+    async fetchData() {
+      try {
+        this.infiniteStart += 20;
+        await this.allMapDataStore.getTraceDetail();
+        this.infiniteData = [...this.infiniteData, ...this.cases];
+      } catch(error) {
+        console.error('Failed to load data:', error);
+      }
     }
   },
+  async created() {
+    this.allMapDataStore.getTraceDetail();
+  }
 }
 </script>
 
diff --git a/src/stores/allMapData.js b/src/stores/allMapData.js
index 4ba02a5..18efe91 100644
--- a/src/stores/allMapData.js
+++ b/src/stores/allMapData.js
@@ -38,6 +38,8 @@ export default defineStore('allMapDataStore', {
     allFunnelData: [],
     isUpdataFilter: false, // 是否成功儲存 Filter 檔
     selectTimeFrame: [], // user select time start and end
+    infinite404: null, // 無限滾動式是否到底要換頁
+    infiniteStart: 0, // 無限滾動 case 開始的數字
   }),
   getters: {
     processMap: state => {
@@ -58,6 +60,9 @@ export default defineStore('allMapDataStore', {
     cases: state => {
       return state.allCase;
     },
+    infiniteFirstCases: state => {
+      if(state.infiniteStart === 0) return state.allCase;
+    },
     traceTaskSeq: state => {
       return state.allTraceTaskSeq;
     },
@@ -153,12 +158,14 @@ export default defineStore('allMapDataStore', {
       let traceId = this.traceId;
       let tempFilterId = this.tempFilterId;
       let createfilterId = this.createFilterId;
+      let start = this.infiniteStart;
       let api = '';
 
+
       // 先判斷暫存 再判斷 filter 最後 log
-      if(tempFilterId != null) api = `/api/temp-filters/${tempFilterId}/traces/${traceId}`;
-      else if(createfilterId!= null) api = `/api/filters/${createfilterId}/traces/${traceId}`;
-      else api = `/api/logs/${logId}/traces/${traceId}`;
+      if(tempFilterId != null) api = `/api/temp-filters/${tempFilterId}/traces/${traceId}?start=${start}&page_size=20`;
+      else if(createfilterId!= null) api = `/api/filters/${createfilterId}/traces/${traceId}?start=${start}&page_size=20`;
+      else api = `/api/logs/${logId}/traces/${traceId}?start=${start}&page_size=20`;
 
       try {
         const response = await this.$axios.get(api);
@@ -169,16 +176,20 @@ export default defineStore('allMapDataStore', {
           c.completed_at = moment(c.completed_at).format('YYYY-MM-DD HH:MM');
           return this.allCase;
         });
+        return this.allCase;
 
         // if(this.httpStatus < 300) loading.isLoading = false;
       } catch(error) {
-        this.httpStatus = error.request.status;
-        await delay();
-        loading.isLoading = true;
-        await delay(1000);
-        loading.isLoading = false;
-        await delay(500);
-        $toast.default('Failed to load the Trace Detail.',{position: 'bottom'});
+        if(error.response.status === 404) this.infinite404 = 404;
+        else {
+          this.httpStatus = error.request.status;
+          await delay();
+          loading.isLoading = true;
+          await delay(1000);
+          loading.isLoading = false;
+          await delay(500);
+          $toast.default('Failed to load the Trace Detail.',{position: 'bottom'});
+        }
       };
     },
     /**
diff --git a/src/views/Discover/Map/index.vue b/src/views/Discover/Map/index.vue
index e1061a1..657a1aa 100644
--- a/src/views/Discover/Map/index.vue
+++ b/src/views/Discover/Map/index.vue
@@ -47,7 +47,7 @@
   <!-- Sidebar Model -->
   <SidebarView v-model:visible="sidebarView" @switch-map-type="switchMapType" @switch-curve-styles="switchCurveStyles" @switch-rank="switchRank" @switch-data-layer-type="switchDataLayerType" ></SidebarView>
   <SidebarState v-model:visible="sidebarState" :insights="insights" :stats="stats"></SidebarState>
-  <SidebarTraces v-model:visible="sidebarTraces" :traces="traces" :cases="cases" :traceTaskSeq="traceTaskSeq" @switch-Trace-Id="switchTraceId" ref="tracesView"></SidebarTraces>
+  <SidebarTraces v-model:visible="sidebarTraces" @switch-Trace-Id="switchTraceId" ref="tracesView"></SidebarTraces>
   <SidebarFilter v-model:visible="sidebarFilter" :filterTasks="filterTasks" :filterStartToEnd="filterStartToEnd" :filterEndToStart="filterEndToStart" :filterTimeframe="filterTimeframe" :filterTrace="filterTrace"
   @submit-all="createCy(mapType)" @switch-Trace-Id="switchTraceId" ref="sidevarFilterRef"></SidebarFilter>
 
@@ -68,9 +68,9 @@ export default {
     const loadingStore = LoadingStore();
     const allMapDataStore = AllMapDataStore();
     const { isLoading } = storeToRefs(loadingStore);
-    const { processMap, bpmn, stats, insights, traceId, traces, traceTaskSeq, cases, filterTasks, filterStartToEnd, filterEndToStart, filterTimeframe, filterTrace, temporaryData, isRuleData, ruleData, logId, createFilterId } = storeToRefs(allMapDataStore);
+    const { processMap, bpmn, stats, insights, traceId, traces, filterTasks, filterStartToEnd, filterEndToStart, filterTimeframe, filterTrace, temporaryData, isRuleData, ruleData, logId, createFilterId } = storeToRefs(allMapDataStore);
 
-    return { isLoading, processMap, bpmn, stats, insights, traceId, traces, traceTaskSeq, cases, filterTasks, filterStartToEnd, filterEndToStart, filterTimeframe, filterTrace, logId, createFilterId, temporaryData, isRuleData, ruleData, allMapDataStore}
+    return { isLoading, processMap, bpmn, stats, insights, traceId, traces, filterTasks, filterStartToEnd, filterEndToStart, filterTimeframe, filterTrace, logId, createFilterId, temporaryData, isRuleData, ruleData, allMapDataStore}
   },
   components: {
     SidebarView,
@@ -102,6 +102,7 @@ export default {
       sidebarState: false, // SideBar: Summary & Insight
       sidebarTraces: false, // SideBar: Traces
       sidebarFilter: false, // SideBar: Filter
+      infiniteFirstCases: null,
     }
   },
   computed:{
@@ -311,7 +312,6 @@ export default {
     await this.allMapDataStore.getAllMapData();
     await this.allMapDataStore.getAllTrace();
     this.traceId = await this.traces[0]?.id; // log、filter 檔切換過程中， trace id 不同，將初始 trace id 設定為該檔案的 trace 幣一筆資料的 id。
-    await this.allMapDataStore.getTraceDetail();
     this.createCy(this.mapType);
     await this.allMapDataStore.getFilterParams();