feat:资金费率增加上下限制

@@ -34,6 +34,8 @@ class Premium
             'settleTs' => $this->settleTs,
             'settleTs' => $this->settleTs,
             'settlePeriod' => $this->settlePeriod,
             'settlePeriod' => $this->settlePeriod,
             'uts' => $this->uts,
             'uts' => $this->uts,
+            'maxRate' => $this->maxRate,
+            'minRate' => $this->minRate,
         ];
         ];
     }
     }
     public static function transferOkx($data, callable $getSymbolSt): self
     public static function transferOkx($data, callable $getSymbolSt): self