diff --git a/packages/app/src/styles/helper.ts b/packages/app/src/styles/helper.ts
index 436fa250f5..826b222a5c 100644
--- a/packages/app/src/styles/helper.ts
+++ b/packages/app/src/styles/helper.ts
@@ -106,7 +106,7 @@ export const textEllipsis = (lineNum = 1): CSSProperties => {
       display: '-webkit-box',
       wordBreak: 'break-all',
       WebkitBoxOrient: 'vertical',
-      WebkitLineClamp: '$lineNum', //需要显示的行数
+      WebkitLineClamp: `${lineNum}`, //需要显示的行数
       overflow: 'hidden',
       textOverflow: 'ellipsis',
     };