diff --git a/anolis-courses/playground/index.yaml b/anolis-courses/playground/index.yaml
index f9bc5ead45e87a6288073ac6b6ffb13a116df99b..06ae88c067de7d7bcf6dcd3770be8f4edf75f594 100644
--- a/anolis-courses/playground/index.yaml
+++ b/anolis-courses/playground/index.yaml
@@ -1,6 +1,6 @@
 name: 学习如何从 Centos 迁移到 Anolis OS
 desc: 学习如何从 Centos 迁移到 Anolis OS
-type: solution  # course
+type: course  # course
 poster:
 cover: "./assets/cover.png"
 total_time: "60 min"