From e81dc95e6fac2503082762c46f7a87bf369e122a Mon Sep 17 00:00:00 2001
From: blueloveTH <blueloveth@foxmail.com>
Date: Sun, 13 Apr 2025 23:12:16 +0800
Subject: [PATCH] Update threading.md

---
 docs/features/threading.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/docs/features/threading.md b/docs/features/threading.md
index 1eb55510..49afee46 100644
--- a/docs/features/threading.md
+++ b/docs/features/threading.md
@@ -137,4 +137,8 @@ Frame: 2
 Frame: 3
 Frame: 4
 World Generation Complete 3 10000 10
-```
\ No newline at end of file
+```
+
+`ComputeThread` used `pickle` module to serialize the data between threads.
+So parameters and return values must be supported by `pickle`.
+See [pickle](https://pocketpy.dev/modules/pickle/) for more details.