排查没有n笔交易+4

tools/backtest.sh

@@ -311,8 +311,15 @@ rm ./user_data/backtest_results/*
 
 # 更新配置文件的 max_open_trades
 echo "正在更新配置文件中的 max_open_trades..." >&2
-jq '.max_open_trades = 150' "config_examples/$CONFIG_FILE" > "config_examples/$CONFIG_FILE.tmp" && \
-mv "config_examples/$CONFIG_FILE.tmp" "config_examples/$CONFIG_FILE"
+python3 << 'EOF'
+import json
+config_file = "config_examples/$CONFIG_FILE"
+with open(config_file, 'r') as f:
+    config = json.load(f)
+config['max_open_trades'] = 150
+with open(config_file, 'w') as f:
+    json.dump(config, f, indent=2)
+EOF
 echo "✅ 已设置 max_open_trades = 150" >&2
 
 echo "docker-compose run --rm freqtrade backtesting $PAIRS_FLAG \