diff --git a/src/App.vue b/src/App.vue
index c97b5f1..1631481 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -18,7 +18,7 @@ import {
 } from '@/lib/workspace'
 import { collectActiveProjectSessionLocks, initProjectSessionLock } from '@/lib/projectSessionLock'
 import { listenProjectDeleted, listenResetAll } from '@/lib/projectEvents'
-import { createProject, listProjects, type ProjectMeta } from '@/lib/projectRegistry'
+import { listProjects, type ProjectMeta } from '@/lib/projectRegistry'
 
 const tabStore = useTabStore()
 const { t } = useI18n()
@@ -130,9 +130,8 @@ const openProjectInNewTab = (projectId: string, options?: { newProject?: boolean
 }
 
 const createProjectAndOpen = () => {
-  const project = createProject(t('xmInfo.defaultProjectName'))
   refreshConflictProjectList()
-  openProjectInNewTab(project.id, { newProject: true })
+  openProjectInNewTab(DEFAULT_PROJECT_ID, { newProject: true })
 }
 
 const syncRouteRequestFlags = () => {
diff --git a/src/features/workbench/components/HomeEntryView.vue b/src/features/workbench/components/HomeEntryView.vue
index 2b78aa4..05aa817 100644
--- a/src/features/workbench/components/HomeEntryView.vue
+++ b/src/features/workbench/components/HomeEntryView.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed, onMounted, ref } from 'vue'
+import { computed, onBeforeUnmount, onMounted, ref } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { Card, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
 import { Button } from '@/components/ui/button'
@@ -47,6 +47,7 @@ import {
 } from '@/lib/workspace'
 import { createProject, listProjects, upsertProject } from '@/lib/projectRegistry'
 import { createProjectKvAdapter } from '@/lib/projectKvStore'
+import { collectActiveProjectSessionLocks } from '@/lib/projectSessionLock'
 
 interface QuickProjectInfoState {
   projectIndustry?: string
@@ -75,7 +76,6 @@ interface ProjectInfoState {
 const PROJECT_INFO_KEY = 'xm-base-info-v1'
 const PROJECT_CONSULT_CATEGORY_FACTOR_KEY = 'xm-consult-category-factor-v1'
 const PROJECT_MAJOR_FACTOR_KEY = 'xm-major-factor-v1'
-const PROJECT_INIT_CHANGED_EVENT = 'xm-project-init-changed'
 const getActiveProjectId = () => readCurrentProjectId()
 
 const tabStore = useTabStore()
@@ -96,6 +96,8 @@ const existingProjectDialogOpen = ref(false)
 const existingProjects = ref<Array<{ id: string; name: string; updatedAt: string }>>([])
 const existingProjectLoading = ref(false)
 const hasExistingProjects = ref(false)
+const openedProjectIds = ref<string[]>([])
+let existingProjectPollTimer: ReturnType<typeof setInterval> | null = null
 const projectIndustryLabel = computed(() => {
   const target = String(projectIndustry.value || '').trim()
   if (!target) return ''
@@ -175,8 +177,19 @@ const openProjectCalc = async () => {
   projectDialogOpen.value = true
 }
 
-const refreshExistingProjects = async () => {
-  existingProjectLoading.value = true
+const syncExistingProjectOpenedState = (projectIds: string[]) => {
+  openedProjectIds.value = Array.from(collectActiveProjectSessionLocks(projectIds))
+}
+
+const isExistingProjectOpened = (projectIdRaw: string) => {
+  const projectId = String(projectIdRaw || '').trim()
+  return projectId ? openedProjectIds.value.includes(projectId) : false
+}
+
+const refreshExistingProjects = async (options?: { showLoading?: boolean }) => {
+  if (options?.showLoading !== false) {
+    existingProjectLoading.value = true
+  }
   try {
     const projects = listProjects()
       .filter(item => item.id !== QUICK_PROJECT_ID)
@@ -191,23 +204,42 @@ const refreshExistingProjects = async () => {
       updatedAt: project.updatedAt
     }))
     hasExistingProjects.value = projects.length > 0
+    syncExistingProjectOpenedState(projects.map(project => project.id))
   } finally {
-    existingProjectLoading.value = false
+    if (options?.showLoading !== false) {
+      existingProjectLoading.value = false
+    }
   }
 }
 
+const stopExistingProjectPolling = () => {
+  if (existingProjectPollTimer == null) return
+  clearInterval(existingProjectPollTimer)
+  existingProjectPollTimer = null
+}
+
+const startExistingProjectPolling = () => {
+  stopExistingProjectPolling()
+  existingProjectPollTimer = setInterval(() => {
+    if (!existingProjectDialogOpen.value) return
+    void refreshExistingProjects({ showLoading: false })
+  }, 3000)
+}
+
 const openExistingProjectDialog = async () => {
   existingProjectDialogOpen.value = true
   await refreshExistingProjects()
+  startExistingProjectPolling()
 }
 
 const closeExistingProjectDialog = () => {
   existingProjectDialogOpen.value = false
+  stopExistingProjectPolling()
 }
 
 const enterExistingProject = (projectIdRaw: string) => {
   const projectId = String(projectIdRaw || '').trim()
-  if (!projectId) return
+  if (!projectId || isExistingProjectOpened(projectId)) return
   upsertProject(projectId, resolveProjectRegistryName(projectId))
   if (!navigateToWorkspace(projectId, 'project')) return
   tabStore.enterWorkspace({
@@ -229,29 +261,9 @@ const confirmProjectCalc = async () => {
 
   projectSubmitting.value = true
   try {
-    const activeProjectId = getActiveProjectId()
-    if (activeProjectId === DEFAULT_PROJECT_ID) {
-      const project = createProject(t('xmInfo.defaultProjectName'))
-      const kvAdapter = createProjectKvAdapter(project.id)
-      await kvAdapter.setItem<ProjectInfoState>(PROJECT_INFO_KEY, {
-        projectIndustry: industry,
-        projectName: t('xmInfo.defaultProjectName'),
-        preparedBy: '',
-        reviewedBy: '',
-        preparedCompany: '',
-        preparedDate: getTodayDateString()
-      })
-      await initializeProjectFactorStates(
-        kvAdapter,
-        industry,
-        PROJECT_CONSULT_CATEGORY_FACTOR_KEY,
-        PROJECT_MAJOR_FACTOR_KEY
-      )
-      writeWorkspaceMode('project')
-      window.location.href = buildProjectUrl(project.id, { forceHome: false, newProject: false })
-      return
-    }
-    await kvStore.setItem<ProjectInfoState>(PROJECT_INFO_KEY, {
+    const project = createProject(t('xmInfo.defaultProjectName'))
+    const kvAdapter = createProjectKvAdapter(project.id)
+    await kvAdapter.setItem<ProjectInfoState>(PROJECT_INFO_KEY, {
       projectIndustry: industry,
       projectName: t('xmInfo.defaultProjectName'),
       preparedBy: '',
@@ -260,13 +272,13 @@ const confirmProjectCalc = async () => {
       preparedDate: getTodayDateString()
     })
     await initializeProjectFactorStates(
-      kvStore,
+      kvAdapter,
       industry,
       PROJECT_CONSULT_CATEGORY_FACTOR_KEY,
       PROJECT_MAJOR_FACTOR_KEY
     )
-    window.dispatchEvent(new CustomEvent<boolean>(PROJECT_INIT_CHANGED_EVENT, { detail: true }))
-    enterProjectCalc()
+    writeWorkspaceMode('project')
+    window.location.href = buildProjectUrl(project.id, { forceHome: false, newProject: false })
   } finally {
     projectSubmitting.value = false
     projectDialogOpen.value = false
@@ -369,10 +381,22 @@ const confirmHomeImport = async () => {
   cancelHomeImportConfirm()
 }
 
+const handleHomeWindowFocus = () => {
+  if (!existingProjectDialogOpen.value) return
+  void refreshExistingProjects({ showLoading: false })
+}
+
+const handleHomeVisibilityChange = () => {
+  if (document.visibilityState !== 'visible') return
+  handleHomeWindowFocus()
+}
+
 onMounted(() => {
   void refreshExistingProjects()
   void loadProjectDefaults()
   void loadQuickDefaults()
+  window.addEventListener('focus', handleHomeWindowFocus)
+  document.addEventListener('visibilitychange', handleHomeVisibilityChange)
   try {
     const url = new URL(window.location.href)
     const isNewProject = url.searchParams.get(NEW_PROJECT_QUERY_KEY) === '1'
@@ -392,6 +416,12 @@ onMounted(() => {
     // ignore url parsing errors
   }
 })
+
+onBeforeUnmount(() => {
+  stopExistingProjectPolling()
+  window.removeEventListener('focus', handleHomeWindowFocus)
+  document.removeEventListener('visibilitychange', handleHomeVisibilityChange)
+})
 </script>
 
 <template>
@@ -580,11 +610,20 @@ onMounted(() => {
           v-for="project in existingProjects"
           :key="project.id"
           type="button"
-          class="flex w-full cursor-pointer items-center justify-between rounded-lg border border-slate-200 px-3 py-2 text-left transition hover:border-slate-300 hover:bg-slate-50"
+          :disabled="isExistingProjectOpened(project.id)"
+          class="flex w-full items-center justify-between rounded-lg border border-slate-200 px-3 py-2 text-left transition"
+          :class="isExistingProjectOpened(project.id)
+            ? 'cursor-not-allowed border-slate-200 bg-slate-100/80 opacity-70'
+            : 'cursor-pointer hover:border-slate-300 hover:bg-slate-50'"
           @click="enterExistingProject(project.id)"
         >
           <div class="min-w-0">
-            <div class="truncate text-sm font-medium text-slate-800">{{ project.name }}</div>
+            <div class="truncate text-sm font-medium text-slate-800">
+              {{ project.name }}
+              <span v-if="isExistingProjectOpened(project.id)" class="ml-1 text-xs text-slate-500">
+                {{ t('tab.toolbar.opened') }}
+              </span>
+            </div>
             <div class="mt-0.5 text-xs text-slate-500">{{ project.id }}</div>
           </div>
           <div class="shrink-0 pl-2 text-xs text-slate-500">
diff --git a/src/features/workbench/components/QuickCalcWorkbenchView.vue b/src/features/workbench/components/QuickCalcWorkbenchView.vue
index d446cde..8b2eb8c 100644
--- a/src/features/workbench/components/QuickCalcWorkbenchView.vue
+++ b/src/features/workbench/components/QuickCalcWorkbenchView.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { computed, onActivated, onMounted, ref, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
-import { Check, ChevronDown, Circle, CircleDot } from 'lucide-vue-next'
+import { Circle, CircleDot } from 'lucide-vue-next'
 import {
   getQuickCalcGroups,
   getMajorDictItemById,
@@ -17,18 +17,6 @@ import { getIndustryMajorEntry } from '@/lib/pricingScaleCalc'
 import { getBenchmarkBudgetSplitByScale, getScaleBudgetFeeSplit } from '@/lib/pricingScaleFee'
 import { QUICK_PROJECT_INFO_KEY } from '@/lib/workspace'
 import { initializeProjectFactorStates } from '@/lib/projectWorkspace'
-import {
-  SelectContent,
-  SelectIcon,
-  SelectItem,
-  SelectItemIndicator,
-  SelectItemText,
-  SelectPortal,
-  SelectRoot,
-  SelectTrigger,
-  SelectValue,
-  SelectViewport
-} from 'reka-ui'
 
 const props = defineProps<{
   contractId: string
@@ -140,6 +128,15 @@ const industryLabel = computed(() => {
   return getIndustryDisplayName(target, locale.value) || t('quickCalc.notSelected')
 })
 
+const isIndustrySelected = (industryId: string | number) => {
+  return projectIndustry.value.trim() === String(industryId).trim()
+}
+
+const handleIndustrySelect = (industryId: string | number) => {
+  const nextIndustry = String(industryId).trim()
+  projectIndustry.value = isIndustrySelected(nextIndustry) ? '' : nextIndustry
+}
+
 const selectedConsultOption = computed(() =>
   quickCalcGroups
     .find(item => item.key === 'consult')
@@ -446,41 +443,44 @@ watch(canUseLandScale, enabled => {
     
 
         <div class="quick-calc-toolbar">
-          <label class="quick-calc-toolbar__field">
+          <label class="quick-calc-toolbar__field quick-calc-toolbar__field--cards">
             <span class="quick-calc-field__label">{{ t('quickCalc.fields.industry') }}</span>
-            <SelectRoot v-model="projectIndustry">
-              <SelectTrigger class="quick-calc-toolbar__trigger">
-                <SelectValue :placeholder="t('quickCalc.selectIndustry')" />
-                <SelectIcon as-child>
-                  <ChevronDown class="h-4 w-4 text-[var(--qc-muted)]" />
-                </SelectIcon>
-              </SelectTrigger>
-              <SelectPortal>
-                <SelectContent
-                  :side-offset="6"
-                  position="popper"
-                  class="z-[120] w-[var(--reka-select-trigger-width)] overflow-hidden rounded-xl border border-border bg-popover text-popover-foreground shadow-xl"
+            <div class="quick-calc-industry-grid" role="radiogroup" :aria-label="t('quickCalc.fields.industry')">
+              <label
+                v-for="item in industryTypeList"
+                :key="`quick-workbench-${item.id}`"
+                class="quick-calc-industry-card"
+                :class="{ 'is-selected': isIndustrySelected(item.id) }"
+                :aria-checked="isIndustrySelected(item.id)"
+                role="radio"
+                tabindex="0"
+                @click.prevent="handleIndustrySelect(item.id)"
+                @keydown.enter.prevent="handleIndustrySelect(item.id)"
+                @keydown.space.prevent="handleIndustrySelect(item.id)"
+              >
+                <input
+                  :checked="isIndustrySelected(item.id)"
+                  type="radio"
+                  name="quick-calc-industry-choice"
+                  class="quick-calc-option__input"
+                  tabindex="-1"
                 >
-                  <SelectViewport class="p-1">
-                    <SelectItem
-                      v-for="item in industryTypeList"
-                      :key="`quick-workbench-${item.id}`"
-                      :value="String(item.id)"
-                      class="relative flex h-9 w-full cursor-default select-none items-center rounded-md pl-3 pr-8 text-sm outline-none data-[highlighted]:bg-muted data-[highlighted]:text-foreground data-[state=checked]:bg-slate-100"
-                    >
-                      <SelectItemText>{{ getIndustryDisplayName(item.id, locale) }}</SelectItemText>
-                      <SelectItemIndicator class="absolute right-2 inline-flex items-center text-slate-700">
-                        <Check class="h-4 w-4" />
-                      </SelectItemIndicator>
-                    </SelectItem>
-                  </SelectViewport>
-                </SelectContent>
-              </SelectPortal>
-            </SelectRoot>
+                <span
+                  class="quick-calc-industry-card__icon"
+                  :class="{ 'is-selected': isIndustrySelected(item.id) }"
+                >
+                  <CircleDot v-if="isIndustrySelected(item.id)" class="h-3.5 w-3.5" />
+                  <Circle v-else class="h-3.5 w-3.5" />
+                </span>
+                <span class="quick-calc-industry-card__text">
+                  {{ getIndustryDisplayName(item.id, locale) }}
+                </span>
+              </label>
+            </div>
           </label>
 
           <span class="quick-calc-toolbar__meta">
-            {{ industrySaving ? t('quickCalc.saving') : hasSelectedIndustry ? t('quickCalc.synced') : t('quickCalc.notSelectedIndustry') }}
+            {{ industrySaving ? t('quickCalc.saving') : industryLabel }}
           </span>
         </div>
 
@@ -739,30 +739,76 @@ watch(canUseLandScale, enabled => {
   flex: 1;
 }
 
-.quick-calc-toolbar__trigger {
-  display: inline-flex;
-  align-items: center;
-  justify-content: space-between;
-  width: 100%;
-  min-height: 42px;
-  padding: 0 14px;
-  border: 1px solid var(--qc-border);
-  border-radius: 12px;
-  background: color-mix(in srgb, white 55%, var(--qc-surface));
-  color: var(--qc-text);
-  box-shadow: inset 0 1px 0 color-mix(in srgb, white 80%, transparent);
-  outline: none;
+.quick-calc-toolbar__field--cards {
+  align-content: start;
 }
 
-.quick-calc-toolbar__trigger:focus-visible {
+.quick-calc-industry-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(136px, 1fr));
+  gap: 8px;
+}
+
+.quick-calc-industry-card {
+  position: relative;
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  min-width: 0;
+  min-height: 42px;
+  padding: 0 12px;
+  border: 1px solid var(--qc-border);
+  border-radius: 12px;
+  background: color-mix(in srgb, var(--background) 92%, var(--card));
+  color: var(--qc-text);
+  cursor: pointer;
+  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
+}
+
+.quick-calc-industry-card:hover {
+  transform: translateY(-1px);
   border-color: var(--qc-border-strong);
-  box-shadow: 0 0 0 3px color-mix(in srgb, hsl(var(--destructive)) 14%, transparent);
+}
+
+.quick-calc-industry-card:focus-visible {
+  outline: none;
+  border-color: color-mix(in srgb, hsl(var(--destructive)) 42%, var(--qc-border));
+  box-shadow: 0 0 0 3px color-mix(in srgb, hsl(var(--destructive)) 10%, transparent);
+}
+
+.quick-calc-industry-card.is-selected {
+  border-color: color-mix(in srgb, hsl(var(--destructive)) 42%, var(--qc-border));
+  background: color-mix(in srgb, hsl(var(--destructive)) 7%, white);
+  box-shadow: 0 0 0 3px color-mix(in srgb, hsl(var(--destructive)) 10%, transparent);
+}
+
+.quick-calc-industry-card__icon {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 14px;
+  height: 14px;
+  flex: 0 0 14px;
+  color: color-mix(in srgb, var(--foreground) 44%, transparent);
+  transition: color 140ms ease, transform 140ms ease;
+}
+
+.quick-calc-industry-card__icon.is-selected {
+  color: hsl(var(--destructive));
+  transform: scale(1.02);
+}
+
+.quick-calc-industry-card__text {
+  min-width: 0;
+  font-size: 14px;
+  line-height: 1.3;
 }
 
 .quick-calc-toolbar__meta {
   flex-shrink: 0;
   font-size: 12px;
   color: var(--qc-muted);
+  text-align: right;
 }
 
 .quick-calc-empty-state {
@@ -1100,22 +1146,23 @@ watch(canUseLandScale, enabled => {
 }
 
 .quick-calc-panel--form .quick-calc-panel__title {
-  font-size: clamp(0.88rem, 0.94vw, 1rem);
+  font-size: 14px;
 }
 
 .quick-calc-panel--form .quick-calc-panel__eyebrow {
-  font-size: 9px;
+  font-size: 14px;
 }
 
 .quick-calc-panel--form .quick-calc-status__item {
   min-height: 20px;
   padding: 0 6px;
-  font-size: 9px;
+  font-size: 14px;
 }
 
 .quick-calc-panel--form .quick-calc-form {
   overflow: auto;
   padding: 8px;
+  font-size: 14px;
 }
 
 .quick-calc-panel--form .quick-calc-form-stack {
@@ -1166,11 +1213,13 @@ watch(canUseLandScale, enabled => {
 }
 
 .quick-calc-panel--form .quick-calc-form-section__eyebrow {
-  font-size: 9px;
+  font-size: 14px;
+  letter-spacing: 0;
+  text-transform: none;
 }
 
 .quick-calc-panel--form .quick-calc-form-section__title {
-  font-size: 12px;
+  font-size: 14px;
 }
 
 .quick-calc-form-grid {
@@ -1222,14 +1271,17 @@ watch(canUseLandScale, enabled => {
 }
 
 .quick-calc-panel--form .quick-calc-field__label {
-  font-size: 9px;
+  font-size: 14px;
+  letter-spacing: 0;
+  text-transform: none;
+  font-weight: 600;
 }
 
 .quick-calc-panel--form .quick-calc-field__input,
 .quick-calc-panel--form .quick-calc-field__readonly {
   min-height: 32px;
   padding: 0 8px;
-  font-size: 12px;
+  font-size: 14px;
   border-radius: 9px;
 }
 
@@ -1288,8 +1340,8 @@ watch(canUseLandScale, enabled => {
 }
 
 .quick-calc-panel--form .quick-calc-form-hint {
-  font-size: 9px;
-  line-height: 1.15;
+  font-size: 14px;
+  line-height: 1.35;
 }
 
 .quick-calc-segment {
@@ -1325,6 +1377,15 @@ watch(canUseLandScale, enabled => {
     padding: 8px;
   }
 
+  .quick-calc-toolbar {
+    align-items: stretch;
+    flex-direction: column;
+  }
+
+  .quick-calc-toolbar__meta {
+    text-align: left;
+  }
+
   .quick-calc-layout {
     grid-template-columns: 1fr;
   }
diff --git a/src/i18n/locales/zh-CN.ts b/src/i18n/locales/zh-CN.ts
index d6439cd..b0f4f13 100644
--- a/src/i18n/locales/zh-CN.ts
+++ b/src/i18n/locales/zh-CN.ts
@@ -67,8 +67,8 @@ export const zhCN = {
       projectList: '项目列表',
       projectCount: '项目数量：{count}',
       createProject: '新建项目',
-      backHome: '返回首页',
-      resetAll: '重置全部项目',
+      backHome: '返回入口',
+      resetAll: '清除全部项目',
       opened: '（已打开）',
       lastEdited: '最后编辑：{time}'
     },
diff --git a/src/layout/tab.vue b/src/layout/tab.vue
index 444cdcc..0914298 100644
--- a/src/layout/tab.vue
+++ b/src/layout/tab.vue
@@ -1169,11 +1169,7 @@ const buildExportReportPayload = async (): Promise<ExportReportPayload> => {
 
   const projectScale = projectScaleSource.roughCalcEnabled ? [] : toExportScaleRows(projectScaleSource.detailRows)
   const projectScaleCost = toFiniteNumber(projectScaleSource.totalAmount) ?? sumNumbers(projectScale.map(item => item.cost))
-  projectScale.push({
-    majorid: -1,
-    major: -1, cost: projectScaleCost,
-    area: null
-  })
+
 
   const projectServiceCoes = buildProjectServiceCoes(consultCategoryFactorState.resolved?.detailRows)
   const projectMajorCoes = buildProjectMajorCoes(majorFactorState.resolved?.detailRows)
@@ -1374,11 +1370,7 @@ const buildExportReportPayload = async (): Promise<ExportReportPayload> => {
     const reserveFee = toMoney(reserve ? reserve.fee : 0)
     const contractFee = toMoney(addNumbers(serviceFee, addtionalFee, reserveFee))
     const contractScale = htInfoRaw?.roughCalcEnabled ? [] : toExportScaleRows(htInfoRaw?.detailRows)
-    contractScale.push({
-      majorid: -1,
-      major: -1, cost: contractFee,
-      area: null
-    })
+
     const contractServiceCoesRaw = buildProjectServiceCoes(htConsultCategoryFactorState.resolved?.detailRows)
     const contractMajorCoesRaw = buildProjectMajorCoes(htMajorFactorState.resolved?.detailRows)
     console.log('[export][contract factor rows]', {