```

fix(shopro_huifu): 更新商户开户手续费率配置

修复了HuifuOnboardBusiOpen类中手续费率配置的错误，
将fixed_ratio字段的值从固定的'0.00'更改为动态计算的结算费率，
同时移除了不再使用的fee_rate字段配置。
```

addons/shopro_huifu/library/onboard/HuifuOnboardBusiOpen.php

@@ -83,9 +83,7 @@ class HuifuOnboardBusiOpen
 
             'out_settle_flag' => '2',
 
-            'fixed_ratio' => '0.00',
-
-            'fee_rate' => number_format($settleFeeRate, 2, '.', ''),
+            'fixed_ratio' => number_format($settleFeeRate, 2, '.', ''),
 
         ]];