diff --git a/bun.lock b/bun.lock
index 58ddbf4..e99071c 100644
--- a/bun.lock
+++ b/bun.lock
@@ -22,6 +22,7 @@
         "xterm-addon-fit": "^0.8.0",
       },
       "devDependencies": {
+        "@types/js-md5": "^0.8.0",
         "@types/lodash-es": "^4.17.12",
         "@vitejs/plugin-legacy": "^7.2.1",
         "@vitejs/plugin-vue": "^6.0.3",
@@ -483,6 +484,8 @@
 
     "@types/http-proxy": ["@types/http-proxy@1.17.17", "", { "dependencies": { "@types/node": "*" } }, "sha512-ED6LB+Z1AVylNTu7hdzuBqOgMnvG/ld6wGCG8wFnAzKX5uyW2K3WD52v0gnLCTK/VLpXtKckgWuyScYK6cSPaw=="],
 
+    "@types/js-md5": ["@types/js-md5@0.8.0", "", {}, "sha512-gQkc1Felhyj+aB9jmz/ICLm1fDPQx7l/60JIBSSEC+j09JeaINlzd0Wj9LZlQkHnV5rJYkroOHE5wdbDgADJrw=="],
+
     "@types/json-schema": ["@types/json-schema@7.0.15", "", {}, "sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA=="],
 
     "@types/lodash": ["@types/lodash@4.17.23", "", {}, "sha512-RDvF6wTulMPjrNdCoYRC8gNR880JNGT8uB+REUpC2Ns4pRqQJhGz90wh7rgdXDPpCczF3VGktDuFGVnz8zP7HA=="],
diff --git a/examples/view/base/table-v2.vue b/examples/view/base/table-v2.vue
index 2c07af5..c0c35ea 100644
--- a/examples/view/base/table-v2.vue
+++ b/examples/view/base/table-v2.vue
@@ -14,6 +14,7 @@
     :example="example"
     :row-key="'id'"
     @query="handleQuery"
+    debug
   ></ListTableV2>
 </template>
 
diff --git a/package.json b/package.json
index 741cb3b..8658deb 100644
--- a/package.json
+++ b/package.json
@@ -106,6 +106,7 @@
     "xterm-addon-fit": "^0.8.0"
   },
   "devDependencies": {
+    "@types/js-md5": "^0.8.0",
     "@types/lodash-es": "^4.17.12",
     "@vitejs/plugin-legacy": "^7.2.1",
     "@vitejs/plugin-vue": "^6.0.3",
diff --git a/packages/base/data/list-table-v2.vue b/packages/base/data/list-table-v2.vue
index f70365f..e01c004 100644
--- a/packages/base/data/list-table-v2.vue
+++ b/packages/base/data/list-table-v2.vue
@@ -3,7 +3,7 @@
     <!-- Mini hidden table for measuring row height and header height (only when using dynamic height mode) -->
     <!-- This mirrors the real table's cell rendering for accurate height estimation -->
     <div v-if="shouldUseProbeRow" ref="miniTableRef" class="mini-table" aria-hidden="true">
-      <div v-if="miniTableData.length > 0" class="mini-table-inner">
+      <div class="mini-table-inner">
         <!-- Mini header row -->
         <div ref="miniHeaderRef" class="mini-row mini-header">
           <div
@@ -16,26 +16,32 @@
           </div>
         </div>
         <!-- Mini data rows -->
-        <div v-for="(rowData, rowIndex) in miniTableData" :key="rowIndex" class="mini-row">
-          <div
-            v-for="(column, columnIndex) in tableColumns || []"
-            :key="column.key"
-            class="mini-cell"
-            :style="getMiniCellStyle(column)"
-          >
-            <MiniTableCell
-              :cellData="lodash.get(rowData, String(column.dataKey || column.key))"
-              :columnIndex
-              :columns="tableColumns"
-              :column
-              :rowData
-              :rowIndex
-            />
+        <div v-if="miniTableData.length > 0" ref="miniTableRowsRef" class="mini-table-rows">
+          <div v-for="(rowData, rowIndex) in miniTableData" :key="rowIndex" class="mini-row">
+            <div
+              v-for="(column, columnIndex) in tableColumns || []"
+              :key="column.key"
+              class="mini-cell"
+              :style="getMiniCellStyle(column)"
+            >
+              <MiniTableCell
+                :cellData="lodash.get(rowData, String(column.dataKey || column.key))"
+                :columnIndex
+                :columns="tableColumns"
+                :column
+                :rowData
+                :rowIndex
+              />
+            </div>
           </div>
         </div>
       </div>
     </div>
 
+    <div v-if="debug" class="debug-info">
+      <div>Estimated Row Height: {{ resolvedRowHeight }}</div>
+      <div>Estimated Header Height: {{ resolvedHeaderHeight }}</div>
+    </div>
     <div ref="myTableRef" class="my-table">
       <el-auto-resizer>
         <template #default="{ height, width }">
@@ -47,7 +53,7 @@
             :height="resolvedHeight(height)"
             :row-height="prop.rowHeight"
             :header-height="resolvedHeaderHeight"
-            :estimated-row-height="estimatedRowHeightToUse"
+            :estimated-row-height="resolvedRowHeight"
             :border="border"
             :row-key="rowKey"
             :class="border ? 'has-border' : ''"
@@ -88,6 +94,7 @@ import {
   nextTick,
   VNode,
   StyleValue,
+  useTemplateRef,
 } from "vue";
 import { useI18n } from "vue3-i18n";
 import { Column, ElAutoResizer, ElTableV2 } from "element-plus";
@@ -106,10 +113,10 @@ const slots = useSlots();
 
 const { t } = useI18n();
 const { state } = useStore();
-const table = ref();
-const miniTableRef = ref();
-const miniHeaderRef = ref();
-const myTableRef = ref(); // Reference to .my-table for ResizeObserver
+const miniTableRef = useTemplateRef("miniTableRef");
+const miniHeaderRef = useTemplateRef("miniHeaderRef");
+const miniTableRowsRef = useTemplateRef("miniTableRowsRef");
+const myTableRef = useTemplateRef("myTableRef"); // Reference to .my-table for ResizeObserver
 const miniTableData = ref<any[]>([]);
 const estimatedRowHeight = ref<number | undefined>(undefined);
 const estimatedHeaderHeight = ref<number | undefined>(undefined);
@@ -129,16 +136,6 @@ type TimestampValue =
       type?: "iso8601" | "unix" | "unixMillis";
     };
 
-interface TzDateTimeProps {
-  value: string | number;
-  valueFormat?: string;
-  valueTz?: string;
-  displayFormat?: string;
-  locale?: string;
-  type?: "iso8601" | "unix" | "unixMillis";
-  slot?: boolean;
-}
-
 interface TzDateTimeConfig {
   valueFormat?: string;
   valueTz?: string;
@@ -184,6 +181,7 @@ interface Props {
   rowHeight?: number;
   estimatedRowHeight?: number;
   headerHeight?: number;
+  debug?: boolean;
 }
 
 const prop = withDefaults(defineProps<Props>(), {
@@ -226,7 +224,7 @@ const shouldUseProbeRow = computed(() => {
 
 // The estimated row height to pass to el-table-v2
 // Only used when rowHeight is NOT set (dynamic height mode)
-const estimatedRowHeightToUse = computed(() => {
+const resolvedRowHeight = computed(() => {
   if (prop.rowHeight !== undefined) return undefined; // fixed height mode, don't use estimated
   if (prop.estimatedRowHeight !== undefined) return prop.estimatedRowHeight; // user provided estimate
   return estimatedRowHeight.value; // use probe-measured value
@@ -248,22 +246,18 @@ watch(
     if (!shouldUseProbeRow.value || !data || data.length === 0) {
       return;
     }
-    // Use up to 5 rows for mini table
-    miniTableData.value = data.slice(0, 5);
+    // Use up to 3 rows for mini table
+    miniTableData.value = lodash.sampleSize(data, 3);
     // Wait for mini table to render
     await nextTick();
     // Wait TWO frames for layout to settle
     await new Promise((resolve) => requestAnimationFrame(resolve));
     await new Promise((resolve) => requestAnimationFrame(resolve));
-    // Measure header height
-    const headerEl = miniTableRef.value?.querySelector(".mini-header");
-    const headerHeight = headerEl?.offsetHeight;
+
+    const { headerHeight, rowHeight } = estimateTableRowHeight();
     if (headerHeight && headerHeight > 0) {
       estimatedHeaderHeight.value = headerHeight;
     }
-    // Measure first row height
-    const firstRow = miniTableRef.value?.querySelector(".mini-row:not(.mini-header)");
-    const rowHeight = firstRow?.offsetHeight;
     if (rowHeight && rowHeight > 0) {
       estimatedRowHeight.value = rowHeight;
     }
@@ -271,6 +265,17 @@ watch(
   { immediate: true }
 );
 
+function estimateTableRowHeight() {
+  const headerHeight = miniHeaderRef.value?.offsetHeight;
+  const tableRowsHeight = miniTableRowsRef.value?.offsetHeight;
+  const rowHeight =
+    tableRowsHeight && tableRowsHeight > 0 && miniTableData.value.length > 0
+      ? lodash.round(tableRowsHeight / miniTableData.value.length)
+      : undefined;
+
+  return { headerHeight, rowHeight };
+}
+
 // Setup ResizeObserver on mount (not window resize - that causes flickering)
 onMounted(() => {
   // Resize handler - measure first, then clear and set in same microtask
@@ -283,10 +288,7 @@ onMounted(() => {
     await new Promise((resolve) => requestAnimationFrame(resolve));
 
     // Measure first while old values still set
-    const headerEl = miniTableRef.value?.querySelector(".mini-header");
-    const headerHeight = headerEl?.offsetHeight;
-    const firstRow = miniTableRef.value?.querySelector(".mini-row:not(.mini-header)");
-    const rowHeight = firstRow?.offsetHeight;
+    const { headerHeight, rowHeight } = estimateTableRowHeight();
 
     const newHeader = headerHeight && headerHeight > 0 ? headerHeight : estimatedHeaderHeight.value;
     const newRow = rowHeight && rowHeight > 0 ? rowHeight : estimatedRowHeight.value;
@@ -554,6 +556,10 @@ const getMiniCellStyle = ({ width, minWidth, maxWidth, flexGrow, flexShrink }: C
 </script>
 
 <style lang="scss" scoped>
+.debug-info {
+  font-size: 9px;
+}
+
 .list-table-v2 {
   display: flex;
   flex-direction: column;
@@ -579,6 +585,12 @@ const getMiniCellStyle = ({ width, minWidth, maxWidth, flexGrow, flexShrink }: C
   width: 100%;
 }
 
+.mini-table-rows {
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+}
+
 .mini-row {
   display: flex;
   align-items: stretch;
diff --git a/packages/manage/router/index.vue b/packages/manage/router/index.vue
index 7c38294..4afc271 100644
--- a/packages/manage/router/index.vue
+++ b/packages/manage/router/index.vue
@@ -35,7 +35,7 @@ import { onBeforeUnmount, onMounted, reactive, ref, watch, computed } from "vue"
 import { useStore } from "vuex";
 import { useRouter, useRoute } from "vue-router";
 import { Api, NoobHead } from "noob-mengyxu";
-import md5 from "js-md5";
+import { md5 } from "js-md5";
 
 const DEV_MODE_TS = "2026-03-26T08:35:00.000Z";
 const { VITE_APP_VERSION, VITE_GIT_HASH, NODE_ENV } = import.meta.env;
@@ -106,12 +106,11 @@ const onResize = () => {
 };
 
 const getUser = (first?) => {
-  if (!props.checkUser) {
-    return;
-  }
-  first && (flag.loading = true);
+  if (!props.checkUser) return;
+  if (first) flag.loading = true;
+
   Api.pub.getInfo().then((rsp) => {
-    first && (flag.loading = false);
+    if (first) flag.loading = false;
     if (rsp) {
       if (state.user?.userId !== rsp.userId) {
         commit("updateState", ["user", rsp]);