diff --git a/pyproject.toml b/pyproject.toml
index 7687f7a..01e31c0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "spark-ai-python"
-version = "0.3.22"
+version = "0.3.21"
 description = "a sdk for iflytek's spark LLM."
 authors = ["whybeyoung <ybyang7@iflytek.com>", "mingduan <mingduan@iflytek.com>"]
 license = "MIT"