diff --git a/lzc.ics b/lzc.ics
index a4a6742..1d13510 100644
--- a/lzc.ics
+++ b/lzc.ics
@@ -395,41 +395,6 @@ UID:tonusdc-market-buy-1usdc-20251210@trade
 DESCRIPTION:TON（Group 2）：每4周1U
 END:VEVENT
 BEGIN:VEVENT
-SUMMARY:OKBUSDT/MARKET/BUY/1USDT
-DTSTART;VALUE=DATE:20250820
-DTSTAMP:20250810T143829Z
-UID:okbusdt-market-buy-1usdt-20250820@trade
-DESCRIPTION:OKB（Group 2）：每4周1U
-END:VEVENT
-BEGIN:VEVENT
-SUMMARY:OKBUSDT/MARKET/BUY/1USDT
-DTSTART;VALUE=DATE:20250917
-DTSTAMP:20250810T143829Z
-UID:okbusdt-market-buy-1usdt-20250917@trade
-DESCRIPTION:OKB（Group 2）：每4周1U
-END:VEVENT
-BEGIN:VEVENT
-SUMMARY:OKBUSDT/MARKET/BUY/1USDT
-DTSTART;VALUE=DATE:20251015
-DTSTAMP:20250810T143829Z
-UID:okbusdt-market-buy-1usdt-20251015@trade
-DESCRIPTION:OKB（Group 2）：每4周1U
-END:VEVENT
-BEGIN:VEVENT
-SUMMARY:OKBUSDT/MARKET/BUY/1USDT
-DTSTART;VALUE=DATE:20251112
-DTSTAMP:20250810T143829Z
-UID:okbusdt-market-buy-1usdt-20251112@trade
-DESCRIPTION:OKB（Group 2）：每4周1U
-END:VEVENT
-BEGIN:VEVENT
-SUMMARY:OKBUSDT/MARKET/BUY/1USDT
-DTSTART;VALUE=DATE:20251210
-DTSTAMP:20250810T143829Z
-UID:okbusdt-market-buy-1usdt-20251210@trade
-DESCRIPTION:OKB（Group 2）：每4周1U
-END:VEVENT
-BEGIN:VEVENT
 SUMMARY:TRXUSDC/LIMIT/BUY/1USDC
 DTSTART;VALUE=DATE:20250827
 DTSTAMP:20250810T143829Z