优化

exchanges/src/kucoin_swap_rest.rs

@@ -243,6 +243,17 @@ impl KucoinSwapRest {
         ).await;
         data
     }
+    //批量测但
+    pub async fn cancel_order_s(&mut self, symbol: String) -> ResponseData {
+        let mut params = serde_json::json!({   });
+        let data = self.request("DELETE".to_string(),
+                                "/api/v1".to_string(),
+                                format!("/orders?symbol={}", symbol),
+                                true,
+                                params.to_string(),
+        ).await;
+        data
+    }
 
     //获取合约令牌-公共
     pub async fn get_public_token(&mut self) -> ResponseData {