fix: toml syntax

Author: Starslayerx

content/posts/2025-08-12_fastapi-response-model.md

@@ -2,7 +2,7 @@
 date = '2025-08-12T8:00:00+08:00'
 draft = false
 title = 'FastAPI Response Model'
-categories = [Note']
+categories = ['Note']
 tags = ["FastAPI"]
 +++