diff --git a/templates/compose/siyuan.yaml b/templates/compose/siyuan.yaml
index 5654465bb..4d9f6c732 100644
--- a/templates/compose/siyuan.yaml
+++ b/templates/compose/siyuan.yaml
@@ -1,6 +1,7 @@
 # documentation: https://github.com/siyuan-note/siyuan
 # slogan: A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.
 # tags: note-taking,markdown,pkm
+# category: documentation
 # logo: svgs/siyuan.svg
 # port: 6806
 
diff --git a/templates/service-templates-latest.json b/templates/service-templates-latest.json
index 03ac03d1a..1629cc152 100644
--- a/templates/service-templates-latest.json
+++ b/templates/service-templates-latest.json
@@ -3791,7 +3791,7 @@
             "markdown",
             "pkm"
         ],
-        "category": null,
+        "category": "documentation",
         "logo": "svgs/siyuan.svg",
         "minversion": "0.0.0",
         "port": "6806"
diff --git a/templates/service-templates.json b/templates/service-templates.json
index 4dcc3140b..13a6d7382 100644
--- a/templates/service-templates.json
+++ b/templates/service-templates.json
@@ -3791,7 +3791,7 @@
             "markdown",
             "pkm"
         ],
-        "category": null,
+        "category": "documentation",
         "logo": "svgs/siyuan.svg",
         "minversion": "0.0.0",
         "port": "6806"