更新

src/components/LeftMenuOne/index.less

@@ -19,12 +19,12 @@
     border-top: 6px solid #fff;
     border-right: 6px solid transparent;
     border-left: 6px solid transparent;
-    transition: transform 0.15s ease-in;
+    transition: all 0.15s ease-in;
   }
 }
 
 .item_warp {
-  transition: all 1s ease-in;
+  transition: all 2s ease-in;
 
   .item1 {
     display: flex;

src/layouts/index.less

@@ -3,7 +3,7 @@
   height: 100vh;
   min-width: 1440px;
   min-height: 100vh;
-  transition: all ease 1.5s;
+  transition: all ease 2s;
 
   .nav_warp {
     width: 100%;