fix bug

apps/exams/Tpl/default/Index/pay_w3g.html

 <include file="__THEME__/public_header_w3g" />
 
 <style>
-	
+
 	body {
 		padding: 0 !important;
 	}
@@ -34,7 +34,7 @@
 	</div>
 	<div class="layout_h_v_c fixed_bottom_bar">
 		<span class="text_14_600 color_333333" style="margin-right: 0.5rem;">合计</span>
-		<span class="text_14_600 color_FF3B3B">￥111</span>
+		<span class="text_14_600 color_FF3B3B">￥{$price}</span>
 		<div class="weight_full layout_h_r">
 			<div @click="onBuy" class="vip_buy_pay_button layout_center"><span class="text_14_400 color_white">确认支付</span></div>
 		</div>
@@ -52,7 +52,7 @@
 			}
 		},
 		created:function(){
-			
+
 		},
 		computed: {
 			totalPrice: function() {
@@ -87,7 +87,7 @@
 					    success: function(data){
 							let res = JSON.parse(data)
 							if(res.status == 1) {
-								 
+
 							} else {
 								ui.error(res.data)
 							}