diff --git a/pages/CSS/text/line-height.uvue b/pages/CSS/text/line-height.uvue
index 93c00593cfe32e332b9886074aa52623ccf383d0..68353943e878df6baf6b2eac0556f534593b222d 100644
--- a/pages/CSS/text/line-height.uvue
+++ b/pages/CSS/text/line-height.uvue
@@ -2,7 +2,7 @@
   <view style="flex-grow: 1;">
     <view style="height: 500px;background-color: gray;justify-content: center;align-items: center;">
       <text class="common" style="line-height: 75px;">line-height: 75px</text>
-      <text class="common" style="line-height: 3;">line-height: 3</text>
+      <text class="common line-height-3">line-height: 3</text>
       <text class="common" style="line-height: 3em;">line-height: 3em</text>
       <text class="common" style="line-height: 3;">line-height: 3\nline-height: 3\nline-height: 3</text>
     </view>
@@ -20,4 +20,7 @@
     margin: 10px 0;
     padding: 0 10px;
   }
+  .line-height-3 {
+    line-height: 3;
+  }
 </style>