diff --git a/backend/app/api/data.py b/backend/app/api/data.py
index c51581ce..ec0fc18b 100644
--- a/backend/app/api/data.py
+++ b/backend/app/api/data.py
@@ -89,15 +89,20 @@ _SMART_MAP = {
     "period_patterns": [
         re.compile(r'^(period|期间|月份?|年月|日期|会计期间)$', re.I),
         re.compile(r'^(报表期[间]?|所属期)$'),
+        re.compile(r'^年|^月'),  # 以"年"或"月"开头的列
     ],
     # 数值列匹配
     "value_patterns": [
         re.compile(r'^(actual_?value|数值|实际值|实际金额)$', re.I),
-        re.compile(r'^(本期金额|本月数|本期|期末余额|期末数)$'),
-        re.compile(r'^(金额|数据|value)$', re.I),
+        re.compile(r'^(本期金额|本月数|本期|期末余额|期末数|余额)$'),
+        re.compile(r'^(金额|数据|value|本年累计|本期发生[额]?)$', re.I),
     ],
     # 文件名→期间提取
-    "period_in_filename": re.compile(r'[-_]?(\d{4})[-_]?(\d{1,2})'),
+    "period_in_filename_patterns": [
+        re.compile(r'[-_]?(\d{4})[-_]?(\d{1,2})'),                              # 2026-06 / 2026_06 / 2606
+        re.compile(r'(\d{4})年(\d{1,2})月(?:至(\d{4})年(\d{1,2})月)?'),          # 2026年01月 / 2026年01月至2026年05月
+        re.compile(r'(\d{4})(\d{2})'),                                            # 202606 (纯数字6-8位)
+    ],
     # 文件名→报表类型
     "statement_types": {
         "利润表": "PL",
@@ -139,9 +144,14 @@ def _smart_detect_value_col(cols: list[str]) -> str | None:
 
 
 def _smart_extract_period_from_filename(filename: str) -> str | None:
-    m = _SMART_MAP["period_in_filename"].search(filename)
-    if m:
-        return f"{m.group(1)}-{int(m.group(2)):02d}"
+    for pat in _SMART_MAP["period_in_filename_patterns"]:
+        m = pat.search(filename)
+        if m:
+            groups = m.groups()
+            if len(groups) == 4 and groups[2]:  # 2026年01月至2026年05月 → 取结束月
+                return f"{groups[2]}-{int(groups[3]):02d}"
+            if len(groups) >= 2:  # 2026-06 或 2026年01月
+                return f"{int(groups[0])}-{int(groups[1]):02d}"
     return None
 
 
@@ -255,6 +265,8 @@ async def import_excel_smart(file: UploadFile = File(...), db: Session = Depends
                 data_owner="财务部",
                 frequency="monthly",
                 unit="元",
+                target_value=0,
+                kpi_level="operational",
                 status="active",
             )
             db.add(new_kpi)
diff --git a/frontend/src/permission.ts b/frontend/src/permission.ts
index 5da6dc70..5a4bc805 100644
--- a/frontend/src/permission.ts
+++ b/frontend/src/permission.ts
@@ -9,10 +9,10 @@ interface MenuItem {
 
 // ── 角色路由映射 ──
 export const ROLE_ROUTES: Record<string, string[]> = {
-  ceo: ['/my-dashboard', '/dashboard', '/kpis', '/maps', '/maps-review', '/maps/canvas', '/maps/review', '/alerts', '/notifications', '/org', '/users', '/permissions', '/budget', '/deviations', '/cost', '/predict', '/action-plans', '/knowledge', '/guide', '/customer', '/learning-dashboard', '/reports', '/alignment', '/dupont-analysis'],
-  finance: ['/my-dashboard', '/dashboard', '/kpis', '/maps', '/maps-review', '/maps/canvas', '/maps/review', '/alerts', '/data', '/budget', '/deviations', '/cost', '/predict', '/action-plans', '/knowledge', '/guide', '/customer', '/learning-dashboard', '/reports', '/alignment', '/dupont-analysis'],
+  ceo: ['/my-dashboard', '/dashboard', '/kpis', '/maps', '/maps-review', '/maps/canvas', '/maps/review', '/alerts', '/notifications', '/org', '/users', '/permissions', '/budget', '/deviations', '/cost', '/predict', '/action-plans', '/knowledge', '/guide', '/customer', '/learning-dashboard', '/reports', '/alignment', '/dupont-analysis', '/analysis-confidence'],
+  finance: ['/my-dashboard', '/dashboard', '/kpis', '/maps', '/maps-review', '/maps/canvas', '/maps/review', '/alerts', '/data', '/budget', '/deviations', '/cost', '/predict', '/action-plans', '/knowledge', '/guide', '/customer', '/learning-dashboard', '/reports', '/alignment', '/dupont-analysis', '/analysis-confidence'],
   business: ['/my-dashboard', '/dashboard', '/kpis', '/alerts', '/budget', '/deviations', '/action-plans', '/knowledge', '/guide', '/customer'],
-  it: ['/my-dashboard', '/dashboard', '/kpis', '/alerts', '/data', '/org', '/users', '/permissions', '/budget', '/deviations', '/cost', '/predict', '/action-plans', '/knowledge', '/guide', '/customer', '/learning-dashboard'],
+  it: ['/my-dashboard', '/dashboard', '/kpis', '/alerts', '/data', '/org', '/users', '/permissions', '/budget', '/deviations', '/cost', '/predict', '/action-plans', '/knowledge', '/guide', '/customer', '/learning-dashboard', '/analysis-confidence'],
 }
 
 export const ROLE_ACTIONS: Record<string, string[]> = {
@@ -49,6 +49,7 @@ export const MENU_ITEMS: MenuItem[] = [
   { path: '/predict', label: '预测模拟', icon: 'DataLine', roles: ['ceo', 'finance', 'it'], group: '🔴 A 复盘与改进' },
   { path: '/mpm-calculator', label: 'MPM计算器', icon: 'Money', roles: ['ceo', 'finance', 'business'], group: '🔴 A 复盘与改进' },
   { path: '/data-quality', label: '数据质量', icon: 'WarningFilled', roles: ['ceo', 'finance', 'it'], group: '🔴 A 复盘与改进' },
+  { path: '/analysis-confidence', label: '分析置信度', icon: 'TrendCharts', roles: ['ceo', 'finance', 'it'], group: '🔴 A 复盘与改进' },
 
   // ── GROUP 5: 基础数据与知识──
   { path: '/kpis', label: 'KPI字典', icon: 'Document', roles: ['ceo', 'finance', 'business', 'it'], group: '基础数据与知识' },
diff --git a/frontend/src/router/index.ts b/frontend/src/router/index.ts
index 676bf325..404a06fe 100644
--- a/frontend/src/router/index.ts
+++ b/frontend/src/router/index.ts
@@ -40,6 +40,7 @@ const routes = [
       { path: 'subjects', name: 'SubjectManage', component: () => import('@/views/SubjectManage.vue'), meta: { title: '科目打标', roles: ['ceo', 'finance', 'business', 'it'] } },
       { path: 'mpm-calculator', name: 'MpmCalculator', component: () => import('@/views/MpmCalculator.vue'), meta: { title: 'MPM计算器', roles: ['ceo', 'finance', 'business'] } },
       { path: 'bot-kpis', name: 'BotKpis', component: () => import('@/views/BotKpiDashboard.vue'), meta: { title: 'Bot KPI看板', roles: ['ceo', 'finance', 'it'] } },
+      { path: 'analysis-confidence', name: 'AnalysisConfidence', component: () => import('@/views/AnalysisConfidence.vue'), meta: { title: '分析置信度', roles: ['ceo', 'finance', 'it'] } },
     ]
   },
 ]