diff --git a/src/styles/global/style.scss b/src/styles/global/style.scss
index 54027f31..b2f9c24a 100644
--- a/src/styles/global/style.scss
+++ b/src/styles/global/style.scss
@@ -1,7 +1,9 @@
-// 样式类型
-
+@import url(./var.scss);
 // 毛玻璃
 .bg-filter {
   backdrop-filter: blur(2px);
   background-color: rgba(0, 0, 0, 0.07);
 }
+.border {
+  border-radius: $radius;
+}
diff --git a/src/styles/global/var.scss b/src/styles/global/var.scss
index 4ca11f90..671e69f0 100644
--- a/src/styles/global/var.scss
+++ b/src/styles/global/var.scss
@@ -1 +1,2 @@
-// 变量
+// 边框
+$radius: 5px;
\ No newline at end of file