diff --git a/aio/content/guide/static-query-migration.md b/aio/content/guide/static-query-migration.md
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@@ -1,7 +1,7 @@
 # Static query migration guide
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+
 # 静态查询（Static Query）迁移指南
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+
 **Important note for library authors: This migration is especially crucial for library authors to facilitate their users upgrading to version 9 when it becomes available.**
 
 **给库作者的重要提示：这份迁移指南对于库作者非常重要，可以方便他们的用户升级到（Angular 的）版本 9（大约在 2019 年 10 月发布）。**