diff --git a/src/less/core/normalize2.less b/src/less/core/normalize2.less
index cb936708d..9ca67b7b7 100644
--- a/src/less/core/normalize2.less
+++ b/src/less/core/normalize2.less
@@ -15,6 +15,59 @@ p,
   padding: 0;
 }
 
+html {
+  height: 100%;
+  overflow: hidden;
+}
+
+body {
+  position: absolute;
+  width: 100%;
+  height: 100%;
+  margin: 0;
+  padding: 0;
+  top: 0;
+  left: 0;
+  background-repeat: repeat;
+  .user-select-disable();
+  color: @color-bi-text-normal;
+  font: normal 12px "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Heiti, "黑体", sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  text-decoration: none;
+  -kthml-user-focus: normal;
+  -moz-user-focus: normal;
+  -moz-outline: 0 none;
+  outline: 0 none;
+}
+
+div, textarea {
+  &::-webkit-scrollbar {
+    -webkit-appearance: none;
+    width: 10px;
+    height: 10px;
+  }
+  &::-webkit-scrollbar-track {
+    .border-radius(5px);
+    .background-color(@scroll-color, 5%);
+    &:hover {
+      .background-color(@scroll-color, 5%);
+    }
+  }
+  &::-webkit-scrollbar-thumb {
+    border: 2px solid transparent;
+    background-clip: padding-box;
+    .border-radius(10px);
+    .background-color(@scroll-color, 10%);
+    &:hover {
+      .background-color(@scroll-color, 30%);
+    }
+  }
+  &::-webkit-scrollbar-corner {
+    background-color: transparent;
+  }
+}
+
 a {
   outline: none;
   text-decoration: none;
diff --git a/src/less/resource/app.less b/src/less/resource/app.less
index a8d3f083c..ace45dfb5 100644
--- a/src/less/resource/app.less
+++ b/src/less/resource/app.less
@@ -1,58 +1,5 @@
 @import "../index";
 
-html {
-  height: 100%;
-  overflow: hidden;
-}
-
-body {
-  position: absolute;
-  width: 100%;
-  height: 100%;
-  margin: 0;
-  padding: 0;
-  top: 0;
-  left: 0;
-  background-repeat: repeat;
-  .user-select-disable();
-  color: @color-bi-text-normal;
-  font: normal 12px "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Heiti, "黑体", sans-serif;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-  text-decoration: none;
-  -kthml-user-focus: normal;
-  -moz-user-focus: normal;
-  -moz-outline: 0 none;
-  outline: 0 none;
-}
-
-div, textarea {
-  &::-webkit-scrollbar {
-    -webkit-appearance: none;
-    width: 10px;
-    height: 10px;
-  }
-  &::-webkit-scrollbar-track {
-    .border-radius(5px);
-    .background-color(@scroll-color, 5%);
-    &:hover {
-      .background-color(@scroll-color, 5%);
-    }
-  }
-  &::-webkit-scrollbar-thumb {
-    border: 2px solid transparent;
-    background-clip: padding-box;
-    .border-radius(10px);
-    .background-color(@scroll-color, 10%);
-    &:hover {
-      .background-color(@scroll-color, 30%);
-    }
-  }
-  &::-webkit-scrollbar-corner {
-    background-color: transparent;
-  }
-}
-
 .bi-theme-dark {
   div, textarea {
     &::-webkit-scrollbar {