diff --git a/scripts/data_platform/xt_eod_wrapper.ps1 b/scripts/data_platform/xt_eod_wrapper.ps1
index 89edbb6..ad82a60 100644
--- a/scripts/data_platform/xt_eod_wrapper.ps1
+++ b/scripts/data_platform/xt_eod_wrapper.ps1
@@ -1,5 +1,13 @@
-# xt_eod_wrapper.ps1 — sanguo-xt-eod schtask wrapper (18:40 xtata ETF/基金 EOD 增量)
-# 方案A: ETF/基金(baostock 盲区) -> dbbardata('d')
+# xt_eod_wrapper.ps1 - sanguo-xt-eod schtask wrapper (21:00 xtdata ETF/fund EOD increment)
+# plan A: ETF/fund (baostock blind zone) -> dbbardata('d')
+# 2026-09-10 data leg switch: xtquant via big-QMT redis bridge shim
+# (xtquant_bridge PYTHONPATH -> in-process full market data). Replaces the dead
+# miniQMT 58610 standalone service (IPythonApiServer stopped self-starting after
+# the 09-09 accidental kill; root cause unresolved).
+# NOTE: keep this file ASCII-only (PS 5.1 reads no-BOM files as ANSI/GBK).
+$env:PYTHONPATH = 'C:\sanguo_bigqmt\xtquant_bridge;C:\sanguo_vnpy_v2;C:\sanguo_vnpy_v2\vnpy_v4.4.0;C:\sanguo_vnpy_v2\vnpy_qmt_v0.3.3'
+$env:BIGQMT_ACCOUNT_ID = '66639661'
+$env:BIGQMT_REDIS_PASSWORD = (Select-String -Path 'C:\redis\redis.conf' -Pattern '^requirepass\s+(\S+)' | ForEach-Object { $_.Matches[0].Groups[1].Value })
 Set-Location C:\sanguo_vnpy_v2
 $ts = Get-Date -Format 'yyyyMMdd_HHmmss'
 $logDir = 'C:\sanguo_vnpy_v2\data\migration_logs'