diff --git a/exchange.html b/exchange.html
index c8640c7..652095f 100644
--- a/exchange.html
+++ b/exchange.html
@@ -53,7 +53,7 @@
 
       </div>
 
-      <div class="ipt-acc">
+      <div class="ipt-acc" style="position: relative;z-index: 999;">
         <p v-if="acctype=='tel'"><span>账号:</span><input :type="acctype"
             onkeyup="this.value=this.value.replace(/\D/g,'')"
             onKeypress="return(/[\d]/.test(String.fromCharCode(event.keyCode)))" :maxlength="maxlen" v-model="account"