修改 头部显示不出来问题

src/api/ajax.js

@@ -13,7 +13,7 @@ export function getContent(MethodName, data) {
     }
     console.log();
     return request({
-        url: `/GCLSBookWebSI/ServiceInterface?MethodName=${MethodName}&UserType=${UserType}&SessionID=${SessionID}&UserCode=${UserCode}`,
+        url: `/GCLSBookWebSI/ServiceInterface?MethodName=${MethodName}&UserCode=${UserCode}&UserType=${UserType}&SessionID=${SessionID}`,
         method: 'post',
         data
     })

src/views/courseView.vue

@@ -213,6 +213,8 @@ export default {
     box-sizing: border-box;
     padding: 0 46px;
     background: #f3f7fa;
+    position: relative;
+    z-index: 999;
   }
   .content {
     width: 100%;