商品合约 修改 为商品订单，

按单平仓 修改为 平仓

ERMCP/PCWEB/Menu/pc_menu.json

@@ -440,7 +440,7 @@
       },
       {
         "code": "commodity_contract",
-        "title": "商品合约",
+        "title": "商品订单",
         "sort": 1,
         "type": 4,
         "rulekey": "client_pc_web_spot_production_bottom_commodity_contract",
@@ -496,7 +496,7 @@
               },
               {
                 "code": "commodity_contract_summary_order_closed",
-                "title": "按单平仓",
+                "title": "平仓",
                 "sort": 1,
                 "type": 2,
                 "rulekey": "",