diff --git a/uno.config.ts b/uno.config.ts
index 46acc909..1b8c8375 100644
--- a/uno.config.ts
+++ b/uno.config.ts
@@ -54,6 +54,7 @@ ${selector}:after {
   position: absolute;
   top: 0;
   right: 0;
+  width: 1px;
   height: 100%;
   background-color: var(--el-border-color);
   z-index: 3;
@@ -72,6 +73,7 @@ ${selector}:before {
   top: 0;
   left: 0;
   width: 100%;
+  height: 1px;
   background-color: var(--el-border-color);
   z-index: 3;
 }
@@ -89,6 +91,7 @@ ${selector}:after {
   bottom: 0;
   left: 0;
   width: 100%;
+  height: 1px;
   background-color: var(--el-border-color);
   z-index: 3;
 }