diff --git a/core/backend/apps/billing/serializers.py b/core/backend/apps/billing/serializers.py
index d26f56e..bc869a9 100644
--- a/core/backend/apps/billing/serializers.py
+++ b/core/backend/apps/billing/serializers.py
@@ -13,6 +13,9 @@ class CreditAccountSerializer(serializers.ModelSerializer):
 class CreditLedgerSerializer(serializers.ModelSerializer):
     # 成员展示名:优先真实姓名 → 用户名 → 邮箱;系统流水(无 user)留空
     user_label = serializers.SerializerMethodField()
+    # 扣费项目:与任务监控类型列同源,供账户中心流水展示
+    task_type = serializers.SerializerMethodField()
+    project_title = serializers.SerializerMethodField()
 
     class Meta:
         model = CreditLedger
@@ -21,7 +24,9 @@ class CreditLedgerSerializer(serializers.ModelSerializer):
             "user",
             "user_label",
             "project",
+            "project_title",
             "task",
+            "task_type",
             "ledger_type",
             "amount",
             "balance_after",
@@ -37,6 +42,16 @@ class CreditLedgerSerializer(serializers.ModelSerializer):
             return ""
         return user.first_name or user.username or user.email or ""
 
+    def get_task_type(self, obj):
+        task = getattr(obj, "task", None)
+        return getattr(task, "task_type", "") or ""
+
+    def get_project_title(self, obj):
+        project = getattr(obj, "project", None)
+        if project is None:
+            return ""
+        return getattr(project, "title", None) or getattr(project, "name", None) or ""
+
 
 class CreditReservationSerializer(serializers.ModelSerializer):
     class Meta:
diff --git a/core/backend/apps/billing/views.py b/core/backend/apps/billing/views.py
index 0264107..bc884ec 100644
--- a/core/backend/apps/billing/views.py
+++ b/core/backend/apps/billing/views.py
@@ -74,6 +74,18 @@ def ledgers(request):
         queryset = queryset.filter(user_id=user_id)
     if ledger_type and ledger_type in CreditLedger.Type.values:
         queryset = queryset.filter(ledger_type=ledger_type)
+    # 按自然月过滤(账户页流水月份下拉);count/分页随月份变化
+    month_param = (request.query_params.get("month") or "").strip()
+    if len(month_param) == 7 and month_param[4] == "-":
+        try:
+            y = int(month_param[:4])
+            m = int(month_param[5:7])
+            if 1 <= m <= 12:
+                month_start = date(y, m, 1)
+                month_end = date(y, m, calendar.monthrange(y, m)[1])
+                queryset = queryset.filter(created_at__date__gte=month_start, created_at__date__lte=month_end)
+        except ValueError:
+            pass
     # 服务端分页:总数随流水增长(原先写死 [:100] 导致永远 100 条)
     try:
         page = max(1, int(request.query_params.get("page", 1)))
diff --git a/core/frontend/src/account-page.css b/core/frontend/src/account-page.css
index e867cbc..3ba22e0 100644
--- a/core/frontend/src/account-page.css
+++ b/core/frontend/src/account-page.css
@@ -228,12 +228,12 @@
     flex: 0 0 auto;
   }
 
-  .billing-month-picker .custom-select-shell,
-  .billing-month-picker .custom-select-trigger {
+  .billing-month-picker .rs-select,
+  .billing-month-picker .rs-select-btn {
     width: 100%;
   }
 
-  .billing-month-picker .custom-select-trigger {
+  .billing-month-picker .rs-select-btn {
     height: 36px;
     padding: 0 10px 0 12px;
     border-color: rgba(255, 255, 255, 0.2) !important;
@@ -244,8 +244,8 @@
     font-weight: 600;
   }
 
-  .billing-month-picker .custom-select-trigger:hover,
-  .billing-month-picker .custom-select-shell.open .custom-select-trigger {
+  .billing-month-picker .rs-select-btn:hover,
+  .billing-month-picker .rs-select.open .rs-select-btn {
     border-color: rgba(138, 171, 255, 0.72) !important;
     color: #fff !important;
     background: #323743 !important;
@@ -545,12 +545,12 @@
   }
 
   .billing-ledger-toolbar .billing-ledger-filter,
-  .billing-ledger-toolbar .custom-select-shell {
+  .billing-ledger-toolbar .rs-select {
     width: 136px;
     flex: 0 0 136px;
   }
 
-  .billing-ledger-toolbar .custom-select-trigger {
+  .billing-ledger-toolbar .rs-select-btn {
     height: 38px;
     padding: 0 11px;
     border-radius: 9px;
@@ -869,3 +869,19 @@
   color: #161a22;
   font-weight: 650;
 }
+
+/* 月份下拉选中态:门户菜单在 body,用全局覆盖热区里误显成黑色的选中项 */
+body .rs-select-menu-portal .rs-select-option.selected {
+  background: rgba(0, 47, 167, 0.08) !important;
+  color: #002fa7 !important;
+  font-weight: 600 !important;
+}
+body .rs-select-menu-portal .rs-select-option.selected .rs-select-option-label {
+  color: #002fa7 !important;
+}
+.billing-month-picker .rs-select-btn .rs-select-label {
+  color: #fff !important;
+}
+.billing-month-picker .rs-select-btn svg {
+  color: rgba(255, 255, 255, 0.72);
+}
diff --git a/core/frontend/src/api.ts b/core/frontend/src/api.ts
index 92eade8..df12bf2 100644
--- a/core/frontend/src/api.ts
+++ b/core/frontend/src/api.ts
@@ -936,11 +936,12 @@ export const api = {
   billingSummary() {
     return request<BillingSummary>("/api/billing/summary/");
   },
-  ledgers(page = 1, pageSize = 10, filters?: { ledger_type?: string; user?: string }) {
-    // 类型/成员筛选传参给后端做全量过滤(count/总页数随筛选变化 · R70)
+  ledgers(page = 1, pageSize = 10, filters?: { ledger_type?: string; user?: string; month?: string }) {
+    // 类型/成员/月份筛选传参给后端做全量过滤(count/总页数随筛选变化)
     const q = new URLSearchParams({ page: String(page), page_size: String(pageSize) });
     if (filters?.ledger_type) q.set("ledger_type", filters.ledger_type);
     if (filters?.user) q.set("user", filters.user);
+    if (filters?.month) q.set("month", filters.month);
     return request<{ count: number; page: number; page_size: number; results: Ledger[] }>(`/api/billing/ledgers/?${q.toString()}`);
   },
   billingTrend(range?: "day" | "week" | "month", month?: string) {
diff --git a/core/frontend/src/routes/account.tsx b/core/frontend/src/routes/account.tsx
index 0a569c7..213bb83 100644
--- a/core/frontend/src/routes/account.tsx
+++ b/core/frontend/src/routes/account.tsx
@@ -60,6 +60,11 @@ function FeatureIcon({ name }: { name: string }) {
 }
 
 function featureIconForLedger(ledger: Ledger): string {
+  const tt = (ledger.task_type || "").toLowerCase();
+  if (tt.includes("image") || tt.includes("triview") || tt.includes("product_image") || tt.includes("person_image") || tt.includes("scene_image")) return "image";
+  if (tt.includes("digest") || tt.includes("video_digest")) return "scan";
+  if (tt.includes("free_video") || tt.includes("film") || tt.includes("video_segment") || tt.includes("voiceover") || tt.includes("export")) return "film";
+  if (tt.includes("storyboard")) return "clapperboard";
   const text = `${ledger.ledger_type} ${ledger.reason}`.toLowerCase();
   if (text.includes("image") || text.includes("图片")) return "image";
   if (text.includes("digest") || text.includes("提示词") || text.includes("提炼")) return "scan";
@@ -69,6 +74,17 @@ function featureIconForLedger(ledger: Ledger): string {
   return "clapperboard";
 }
 
+function ledgerFeatureLabel(ledger: Ledger): string {
+  if (ledger.task_type) return taskTypeLabel(ledger.task_type);
+  return ledgerTypeLabel(ledger.ledger_type);
+}
+
+function ledgerLocationLabel(ledger: Ledger): string {
+  if (ledger.project_title) return ledger.project_title;
+  if (ledger.ledger_type === "recharge") return "账户充值";
+  return ledgerReasonLabel(ledger.reason);
+}
+
 function formatMonthLabel(ym: string) {
   const [y, m] = ym.split("-");
   return `${y}年${Number(m)}月`;
@@ -183,13 +199,14 @@ export function AccountPage({ billing, projects: _projects, team, onRecharge: _o
     setLedgersLoading(true);
     api.ledgers(billPage, BILLS_PER_PAGE, {
       ledger_type: billType === "all" ? undefined : billType,
+      month: ledgerMonth || undefined,
     }).then((data) => {
       if (!alive) return;
       setLedgerRows(data.results);
       setLedgerCount(data.count);
     }).catch(() => {}).finally(() => { if (alive) setLedgersLoading(false); });
     return () => { alive = false; };
-  }, [billPage, billType, reloadFlag]);
+  }, [billPage, billType, ledgerMonth, reloadFlag]);
 
   const [billJump, setBillJump] = useState("");
 
@@ -253,10 +270,8 @@ export function AccountPage({ billing, projects: _projects, team, onRecharge: _o
     setBillPage(1);
   }, [featureFilter]);
 
-  const visibleLedgers = useMemo(() => {
-    if (!ledgerMonth) return ledgerRows;
-    return ledgerRows.filter((l) => (l.created_at || "").startsWith(ledgerMonth));
-  }, [ledgerRows, ledgerMonth]);
+  // 月份/类型已在服务端过滤,当前页结果直接展示
+  const visibleLedgers = ledgerRows;
 
   const billTotalPages = Math.max(1, Math.ceil(ledgerCount / BILLS_PER_PAGE));
   const safeBillPage = Math.min(billPage, billTotalPages);
@@ -266,20 +281,40 @@ export function AccountPage({ billing, projects: _projects, team, onRecharge: _o
     setBillJump("");
   }
 
-  function exportLedgers() {
-    if (visibleLedgers.length === 0) {
+  async function exportLedgers() {
+    const pageSize = 100;
+    const all: Ledger[] = [];
+    let page = 1;
+    let total = Infinity;
+    try {
+      while (all.length < total) {
+        const data = await api.ledgers(page, pageSize, {
+          ledger_type: billType === "all" ? undefined : billType,
+          month: ledgerMonth || undefined,
+        });
+        total = data.count;
+        all.push(...data.results);
+        if (data.results.length === 0) break;
+        page += 1;
+        if (page > 500) break; // 安全上限
+      }
+    } catch {
+      onNotify("error", "导出失败，请稍后重试");
+      return;
+    }
+    if (all.length === 0) {
       onNotify("info", "当前没有可导出的流水");
       return;
     }
     const header = ["功能", "消耗位置", "成员", "时间", "消耗积分"];
-    const lines = visibleLedgers.map((l) => {
+    const lines = all.map((l) => {
       const amt = Number(l.amount);
       const signed = (amt > 0 && l.ledger_type === "recharge") || l.ledger_type === "release" || l.ledger_type === "refund"
         ? `+${pts(Math.abs(amt))}`
         : `-${pts(Math.abs(amt))}`;
       return [
-        ledgerTypeLabel(l.ledger_type),
-        ledgerReasonLabel(l.reason).replace(/,/g, "，"),
+        ledgerFeatureLabel(l),
+        ledgerLocationLabel(l).replace(/,/g, "，"),
         l.user_label || "系统",
         formatLedgerTime(l.created_at),
         signed,
@@ -292,7 +327,7 @@ export function AccountPage({ billing, projects: _projects, team, onRecharge: _o
     a.download = `积分消耗流水-${ledgerMonth || "all"}.csv`;
     a.click();
     URL.revokeObjectURL(url);
-    onNotify("success", "已导出积分消耗流水");
+    onNotify("success", `已导出 ${all.length} 条积分消耗流水`);
   }
 
   const monthUsageDisplay = trend?.month_charged != null ? Number(trend.month_charged) : (selectedMonth === months[0]?.value ? used : null);
@@ -456,7 +491,7 @@ export function AccountPage({ billing, projects: _projects, team, onRecharge: _o
                 onChange={(v) => { setLedgerMonth(v); setBillPage(1); }}
                 options={months.map((m) => ({ value: m.value, label: m.label }))}
               />
-              <button className="compact-action billing-ledger-export" type="button" onClick={exportLedgers}>
+              <button className="compact-action billing-ledger-export" type="button" onClick={() => void exportLedgers()}>
                 <Download size={16} strokeWidth={2} />
                 导出流水
               </button>
@@ -491,11 +526,11 @@ export function AccountPage({ billing, projects: _projects, team, onRecharge: _o
                 <div className="billing-ledger-row" key={l.id} data-ledger-month={(l.created_at || "").slice(0, 7)} data-ledger-feature={l.ledger_type}>
                   <div className="billing-ledger-feature">
                     <span className="billing-ledger-icon"><FeatureIcon name={featureIconForLedger(l)} /></span>
-                    <strong>{ledgerTypeLabel(l.ledger_type)}</strong>
+                    <strong title={ledgerFeatureLabel(l)}>{ledgerFeatureLabel(l)}</strong>
                   </div>
                   <div className="billing-ledger-copy">
-                    <strong title={ledgerReasonLabel(l.reason)}>{ledgerReasonLabel(l.reason)}</strong>
-                    <span>{l.ledger_type === "recharge" ? "账户充值" : "积分变动 · 可追溯流水"}</span>
+                    <strong title={ledgerLocationLabel(l)}>{ledgerLocationLabel(l)}</strong>
+                    <span>{ledgerTypeLabel(l.ledger_type)}{l.reason ? ` · ${ledgerReasonLabel(l.reason)}` : ""}</span>
                   </div>
                   <div className="billing-ledger-meta">
                     <strong>{l.user_label || "系统"}</strong>
diff --git a/core/frontend/src/types.ts b/core/frontend/src/types.ts
index 781305e..52f205e 100644
--- a/core/frontend/src/types.ts
+++ b/core/frontend/src/types.ts
@@ -554,6 +554,10 @@ export type Ledger = {
   reason: string;
   created_at: string;
   user_label?: string;
+  task?: string | null;
+  task_type?: string;
+  project?: string | null;
+  project_title?: string;
 };
 
 export type UserPreference = {