diff --git a/docs/tutorial.md b/docs/tutorial.md
index 6dac5d48a290820cdcb0e28b776234b842625b38..ed53bf9d1b95e1ab587c27d3db3a0b5325153ffc 100644
--- a/docs/tutorial.md
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@@ -1,3 +1,4 @@
 # Tutorial
 
 * [New CEPCSW Tutorial and detector study, IHEP, 17-18 Sept 2020](https://indico.ihep.ac.cn/event/12341/)
+  * [Tutorial on CEPCSW simulation](https://cepc.github.io/CEPCSW/simulation-tutorial/index.html#/)