feat:ie报错问题

ruoyi-admin/src/main/resources/templates/home/base.html

@@ -444,8 +444,8 @@
             })(i);
         }
 
-    const slides = document.querySelectorAll('.slide');
-    let currentSlide = 0;
+    var slides = document.querySelectorAll('.slide');
+    var currentSlide = 0;
 
     function showNextSlide() {
         slides[currentSlide].classList.remove('active');
@@ -506,12 +506,12 @@
         speed: 30,
     });
 
-    let el = document.querySelector('#ad');
-    let styleTop = 0;
-    let styleLeft = 0;
-    let verticalFlag = true;
-    let horizontalFlag = true;
-    let isMouseOver = false; // 新变量用于跟踪鼠标是否在元素上
+    var el = document.querySelector('#ad');
+    var styleTop = 0;
+    var styleLeft = 0;
+    var verticalFlag = true;
+    var horizontalFlag = true;
+    var isMouseOver = false; // 新变量用于跟踪鼠标是否在元素上
 
     // 设置定时器的函数
     function moveElement() {