feat:fix

@@ -72,13 +72,13 @@ class BinanceSpot
         }
         $data = json_encode([]);
         if (strtoupper($method) == 'POST') {
-            $data = network\Curl::httpPost($url, $param);
+            $data = Curl::httpPost($url, $param);
         }
         if (strtoupper($method) == 'GET') {
-            $data = network\Curl::httpGet($url, $param);
+            $data = Curl::httpGet($url, $param);
         }
         if (strtoupper($method) == 'DELETE') {
-            $data = network\Curl::httpDelete($url, $param);
+            $data = Curl::httpDelete($url, $param);
         }
         return json_decode($data, true);
     }