diff --git a/src/assets/css/global.less b/src/assets/css/global.less
index 7c512f7..f252dfa 100644
--- a/src/assets/css/global.less
+++ b/src/assets/css/global.less
@@ -46,6 +46,10 @@ body {
     .limitLine(1);
 }
 
+.limit-line-3 {
+    .limitLine(3);
+}
+
 // 背景居中
 
 .bgCenter() {