测试

css/phonepay.css

@@ -228,7 +228,7 @@
   position: absolute;
   width: 1.37rem;
   height: 0.56rem;
-  background: url(../images/pay-gift.png) no-repeat;
+  background: url(../images/pay-gift.png?v=20210521) no-repeat;
   background-size: 100% 100%;
   left: -0.08rem;
   top: -0.1rem;

css/phonepay.less

@@ -238,7 +238,7 @@
   position: absolute;
   width: 1.37rem;
   height: 0.56rem;
-  background:url(../images/pay-gift.png)no-repeat;
+  background:url(../images/pay-gift.png?v=20210521)no-repeat;
   background-size: 100% 100%;
   left: -0.08rem;
   top: -0.1rem;

login.html

@@ -11,7 +11,7 @@
     <meta http-equiv="Pragma" content="no-cache">
     <link rel="stylesheet" href="css/base.css"/>
     <link rel="stylesheet" href="css/layer.css">
-    <link rel="stylesheet" href="css/phonepay.css?v='2021052102'">
+    <link rel="stylesheet" href="css/phonepay.css?v='2021052103'">
     <script src="lib/fsize.js"></script>
 </head>
 <style>
@@ -56,8 +56,8 @@
         </ul>
         <p class="pay-tips">选择支付方式</p>
         <ul class="payfor-ul clearfix">
-            <li class="payfor-click"><img class="wei-icon" src="images/weipay.png" alt="">微信<i style="display: none">weipay</i><img class="pay-click" src="images/pay-click.png" alt=""></li>
-            <li><img class="ali-icon" src="images/alipay1.png" alt="">支付宝<i style="display: none">alipay</i><img class="pay-click" src="images/pay-click.png" alt=""></li>
+            <li class="payfor-click"><img class="wei-icon" src="images/weipay.png?v=20210521" alt="">微信<i style="display: none">weipay</i><img class="pay-click" src="images/pay-click.png" alt=""></li>
+            <li><img class="ali-icon" src="images/alipay1.png?v=20210521" alt="">支付宝<i style="display: none">alipay</i><img class="pay-click" src="images/pay-click.png" alt=""></li>
         </ul>
         <div class="reg-btn reg-btn-no">确定充值</div>
     </div>
@@ -167,11 +167,11 @@
         $(".payfor-ul li").removeClass("payfor-click");
         $(this).addClass("payfor-click")
         if(sessionStorage.pay=='weipay'){
-            $(".wei-icon").attr("src","images/weipay.png")
-            $(".ali-icon").attr("src","images/alipay1.png")
+            $(".wei-icon").attr("src","images/weipay.png?v=20210521")
+            $(".ali-icon").attr("src","images/alipay1.png?v=20210521")
         }else{
-            $(".wei-icon").attr("src","images/weipay1.png")
-            $(".ali-icon").attr("src","images/alipay.png")
+            $(".wei-icon").attr("src","images/weipay1.png?v=20210521")
+            $(".ali-icon").attr("src","images/alipay.png?v=20210521")
         }
     })
     $(".login-input").on("input", function () {