应付币种去掉全部

pages/mobile/center/user/payCenter.vue

@@ -265,16 +265,14 @@
           {
             title: '交易币种',
             selectOption: 'currencyName',
-            selectItems: [{key: '全部',
-              val: null
-            }, {
+            selectItems: [{
               key: 'RMB',
               val: 'RMB'
             }, {
               key: 'USD',
               val: 'USD'
             }],
-            defaultVal: null
+            defaultVal: 'RMB'
           },
 //          {
 //            title: '交易状态',