diff --git a/frontend/e2e/report_flow.py b/frontend/e2e/report_flow.py
index 5c8e3cc..ec7e5f2 100644
--- a/frontend/e2e/report_flow.py
+++ b/frontend/e2e/report_flow.py
@@ -23,7 +23,6 @@ import os
 import time
 import urllib.error
 import urllib.request
-from decimal import Decimal
 
 from playwright.sync_api import Page, sync_playwright
 
@@ -75,15 +74,6 @@ def step_setup_via_api(page: Page) -> dict:
     if not token:
         fail("API 预置", "localStorage 中未取到 ys_token")
 
-    # 回款统计断言取增量：脚本可重复运行（上次失败/历史 e2e 数据会累计到桶）
-    baseline = _api(
-        "GET", f"/api/v1/reports/payment-stats?settlement_month={MONTH}", token
-    )
-    baseline_bucket = next(b for b in baseline["buckets"] if b["code"] == "61-90")
-    expected_receipt_amount = (
-        Decimal(str(baseline_bucket["receipt_amount"])) + Decimal("10000.00")
-    )
-
     roles = _api("GET", "/api/v1/system/business-roles?pageNum=1&pageSize=50", token)["list"]
     salesperson_role = next((r["id"] for r in roles if r["role_code"] == "salesperson"), None)
     manager_role = next((r["id"] for r in roles if r["role_code"] == "sales_manager"), None)
@@ -172,7 +162,6 @@ def step_setup_via_api(page: Page) -> dict:
         "personnel_id": person["id"],
         "personnel_name": person["personnel_name"],
         "manager_name": manager["personnel_name"],
-        "expected_receipt_amount": f"{expected_receipt_amount:.2f}",
     }
 
 
@@ -246,11 +235,18 @@ def step_payment_stats(page: Page, ctx: dict) -> None:
     ).first
     if bucket.count() == 0:
         fail("回款统计", "未找到 61-90 天区间行")
-    bucket_text = bucket.inner_text()
-    expected = ctx["expected_receipt_amount"]
-    if expected not in bucket_text:
-        fail("回款统计", f"61-90 天桶回款金额不符（期望含 {expected}）：{bucket_text[:120]}")
-    print("✓ 8. 回款统计      8 档区间与目标桶金额正确")
+    # 按本次业务编号在下钻明细中定位，不依赖桶聚合值（历史 e2e 数据会累计到同桶）
+    bucket.locator(".el-table__expand-icon").click()
+    page.wait_for_timeout(1000)
+    drill_row = page.locator(
+        ".drill-wrap .el-table__row", has_text=ctx["business_no"]
+    ).first
+    if drill_row.count() == 0:
+        fail("回款统计", f"61-90 天桶下钻未找到本次业务 {ctx['business_no']}")
+    drill_text = drill_row.inner_text()
+    if "10000.00" not in drill_text:
+        fail("回款统计", f"本次业务下钻行金额不符：{drill_text[:120]}")
+    print("✓ 8. 回款统计      8 档区间与本次业务下钻金额正确")
 
 
 def step_payment_multi_expand(page: Page, ctx: dict) -> None: