coin used bug

@@ -37,6 +37,8 @@ var balanceTpl = require('../../tpl/shopping/balance.hbs');
 
 var pkgCache = {};
 
+var suredCoin = 0;
+
 var $pkgList;
 
 require('yoho-jquery-placeholder');
@@ -218,8 +220,10 @@ $coinSure.click(function() {
         return;
     }
 
+    suredCoin = getCoinUsed();
+
     // 切换显示
-    compute(getCoinUsed());
+    compute(suredCoin);
 
     toggleCoinPanel();
 });
@@ -257,7 +261,7 @@ $('.print-price-radio').check({
 $('#balance-list').on('click', '#submit-order', function() {
     var reqParam = {
         address_id: $('.address.focus').data('id'),
-        use_yoho_coin: getCoinUsed(),
+        use_yoho_coin: suredCoin,
         remark: $('#remark-content').val(),
         isPrintPrice: $printPrice.printPrice
     };