diff --git a/okx-auto-position/config.json b/okx-auto-position/config.json
index e7c4ec5..23eda99 100644
--- a/okx-auto-position/config.json
+++ b/okx-auto-position/config.json
@@ -1,6 +1,11 @@
 {
   "position_sizing": {
     "balance_utilization": 0.60,
+    "single_coin_max_pct": 0.70,
+    "single_coin_add_pct": 1.00,
+    "single_coin_ceiling_usdt": 200,
+    "single_coin_total_cap_disable_usdt": 1000,
+    "safety_factor": 1.07,
     "max_leverage": 20,
     "default_leverage": 10,
     "min_profit_usdt": 10