fix：DEFECT-580 不同分辨率（1920 1280 1024 800）下箭头样式问题

@@ -472,19 +472,49 @@
   });
 </script>
 <style lang="less">
-  .fold-left {
-    z-index: 1;
-    cursor: pointer;
-    position: absolute;
-    top: 0.85rem;
-    left: 1.1vw;
+  // 使用媒体查询兼容 1920 1280 1024 800
+  @media screen and (max-width: 1980px) {
+    .fold-left {
+      z-index: 1;
+      cursor: pointer;
+      position: absolute;
+      top: 0.85rem;
+      left: 1.1vw;
+    }
+    .fold-right {
+      z-index: 1;
+      cursor: pointer;
+      position: absolute;
+      top: 0.85rem;
+      left: 18.2vw;
+    }
+  }
+  @media screen and (max-width: 1280px) {
+    .fold-right {
+      z-index: 1;
+      cursor: pointer;
+      position: absolute;
+      top: 0.85rem;
+      left: 17.5vw;
+    }
+  }
+  @media screen and (max-width: 1024px) {
+    .fold-right {
+      z-index: 1;
+      cursor: pointer;
+      position: absolute;
+      top: 0.85rem;
+      left: 14.2vw;
+    }
   }
-  .fold-right {
-    z-index: 1;
-    cursor: pointer;
-    position: absolute;
-    top: 0.85rem;
-    left: 18.2vw;
+  @media screen and (max-width: 800px) {
+    .fold-right {
+      z-index: 1;
+      cursor: pointer;
+      position: absolute;
+      top: 0.85rem;
+      left: 18vw;
+    }
   }
   @prefix-cls: ~'@{namespace}-basic-tree';