feat:rateLimit 接口

@@ -203,6 +203,13 @@ class BinanceFutures
         $method = 'GET';
         return $this->requestAccount($method, $path, $param);
     }
+    //rateLimit
+    public function rateLimit($param)
+    {
+        $path   = '/fapi/v1/rateLimit/order';
+        $method = 'GET';
+        return self::requestAccount($method, $path, $param);
+    }
 
     /*
      * ==================================
@@ -238,13 +245,6 @@ class BinanceFutures
         $method = 'GET';
         return self::requestMarket($method, $path, $param);
     }
-    //rateLimit
-    static public function rateLimit($param)
-    {
-        $path   = '/fapi/v1/rateLimit/order';
-        $method = 'GET';
-        return self::requestMarket($method, $path, $param);
-    }
 }
 
 ?>
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