diff --git a/_Sidebar.md b/_Sidebar.md
index 3d5f1ba..307aa7e 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -1 +1,2 @@
-[[主页]]
\ No newline at end of file
+[[主页]]
+[[gRPC：由 Google 开发的高性能、开源和通用的 RPC 框架，支持多种语言]]
\ No newline at end of file