diff --git a/eagle-mpctool.tar.gz b/eagle-mpctool.tar.gz
index 50f541b..d666c2c 100644
Binary files a/eagle-mpctool.tar.gz and b/eagle-mpctool.tar.gz differ
diff --git a/eagle.spec b/eagle.spec
index 66c9990..3392619 100644
--- a/eagle.spec
+++ b/eagle.spec
@@ -1,6 +1,6 @@
 Name:             eagle
 Version:          1.0.1
-Release:          3
+Release:          4
 Summary:          eagle kit
 License:          Mulan PSL v2
 URL:              https://gitee.com/openeuler/eagle
@@ -36,6 +36,9 @@ Requires:           python3-numpy python3-pandas python3-psutil python3-scipy ip
 %{python3_sitelib}/*
 
 %changelog
+* Sat Mar 9 2024 queyanwen<queyanwen@huawei.com> - 1.0.1-4
+- Adapts to 920B: sleeps for 2 seconds after the fan speed is set.
+
 * Thur Nov 30 2023 queyanwen<queyanwen@huawei.com> - 1.0.1-3
 - The current condition for determining whether the system enters the stable state is that
 - the difference between the maximum temperature and the minimum temperature within 60s is less than 0.2 degrees.