diff --git a/SUMMARY.md b/SUMMARY.md
index 550b62f..391d36b 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -110,7 +110,7 @@
 - [et-flink_代码走查](backend/et-flink_代码走查.md)
 - [[20210929] 代码走查：安心云et-flink](backend/[20210929]%20代码走查：安心云et-flink.pdf)
 - [[20210929] Python打包分发案例](backend/[20210929]%20Python打包分发案例.pdf)
-
+- [[20220528] Flink：指北](backend/[20220528]%20Flink：指北.pdf)
 
 ## research