diff --git a/py-client/etc/zhang.yaml b/py-client/etc/zhang.yaml
index b09ebec..3b1d2c5 100644
--- a/py-client/etc/zhang.yaml
+++ b/py-client/etc/zhang.yaml
@@ -1,12 +1,12 @@
 account_id: 8889616198
 host_key: zhang
 buy_value: 5000
-min_cash_ratio: 0.10
+min_cash_ratio: 0.99
 grid_step_pct: 1
 strategy: trend
 signal_allow: ["morning","tail","arbitrage"]
-enable_loss_add_position: True
-enable_auto_ipo: True
+enable_loss_add_position: False
+enable_auto_ipo: False
 excluded_codes:
   - "00000.SZ"
 zt_open_hands: 0