修改phemex设置杠杆

standard/src/phemex_swap.rs

@@ -411,7 +411,7 @@ impl Platform for PhemexSwap {
     async fn set_dual_mode(&mut self, _coin: &str, _is_dual_mode: bool) -> Result<String, Error> {
         let symbol = utils::format_symbol(self.symbol.clone(), "").replace("1000", "u1000");
         let params = json!({
-            "symbol":symbol,
+            "symbol": symbol,
             "targetPosMode": "Hedged"
         });
 
@@ -425,11 +425,11 @@ impl Platform for PhemexSwap {
 
     // 更新杠杆
     async fn set_dual_leverage(&mut self, leverage: &str) -> Result<String, Error> {
-        let leverage_int = leverage.parse::<i32>().unwrap();
         let symbol = utils::format_symbol(self.symbol.clone(), "").replace("1000", "u1000");
         let params = json!({
             "symbol": symbol,
-            "leverageRr": leverage_int,
+            "longLeverageRr": leverage,
+            "shortLeverageRr": leverage,
         });
 
         let response = self.request.set_leverage(params).await;