diff --git a/tuniao-ui/components/tn-tag/tn-tag.vue b/tuniao-ui/components/tn-tag/tn-tag.vue
index 180ca59..4b6be7a 100644
--- a/tuniao-ui/components/tn-tag/tn-tag.vue
+++ b/tuniao-ui/components/tn-tag/tn-tag.vue
@@ -119,21 +119,25 @@
             style.padding = '0 12rpx'
             style.fontSize = '20rpx'
             style.height = '32rpx'
+            style.lineHeight = '32rpx'
             break
           case 'lg':
             style.padding = '0 20rpx'
             style.fontSize = '28rpx'
             style.height = '62rpx'
+            style.lineHeight = '62rpx'
             break
           default:
             style.padding = '0 16rpx'
             style.fontSize = '24rpx'
             style.height = '48rpx'
+            style.lineHeight = '48rpx'
             break
         }
         
         style.width = this.width || '120rpx'
         style.height = this.height || style.height
+        style.lineHeight = this.height || style.height
         
         style.padding = this.padding || style.padding
         if (this.margin) {