diff --git a/docs/component/picker-view.md b/docs/component/picker-view.md
index 1f9a62765e8c4962e7e36de91a00d0fad32683c6..f72910bc26f7ae6efb1b0f2cc2d53938ae67e3b6 100644
--- a/docs/component/picker-view.md
+++ b/docs/component/picker-view.md
@@ -109,9 +109,7 @@
 		margin-top: 20rpx;
 	}
 	.item {
-		height: 50px;
-		align-items: center;
-		justify-content: center;
+		line-height: 100rpx;
 		text-align: center;
 	}
 </style>