Update 2025-07-07-openapi-doc.md

hotea · web-flow · commit b5cebb1564e6 · 2025-09-18T14:10:13.000+08:00
diff --git a/_posts/2025-07-07-openapi-doc.md b/_posts/2025-07-07-openapi-doc.md
@@ -329,6 +329,8 @@ tiger_id=20550001
 account=12345678
 license=TBUS
 env=PROD
+secret_key=
+# secret_key is required for institutional clients only
 ```
 
 ```python
