diff --git a/src/examples/plugins/time_manipulator_plugin/README.md b/src/examples/plugins/time_manipulator_plugin/README.md
index fc6a5781d..b2e78f175 100644
--- a/src/examples/plugins/time_manipulator_plugin/README.md
+++ b/src/examples/plugins/time_manipulator_plugin/README.md
@@ -28,7 +28,7 @@
   - 运行[time_manipulator_get_time_ratio.sh](./install/linux/bin/tools/time_manipulator_get_time_ratio.sh)脚本获取当前执行器时间系数；
   - 运行[time_manipulator_pause.sh](./install/linux/bin/tools/time_manipulator_pause.sh)脚本暂停执行器；
   - 运行[time_manipulator_set_time_ratio.sh](./install/linux/bin/tools/time_manipulator_set_time_ratio.sh)脚本设置执行器时间系数为 0.5；
-  - 使用 python 运行[time_manipulator.py](./install/linux/bin/tools/time_manipulator.sh)脚本，可以通过一个 gui 界面上的滑动条控制执行器的时间系数；
+  - 使用 python 运行[time_manipulator.py](./install/linux/bin/tools/time_manipulator.py)脚本，可以通过一个 gui 界面上的滑动条控制执行器的时间系数；
 - 键入`ctrl-c`停止进程；
 
 
diff --git a/src/examples/plugins/time_manipulator_plugin/install/linux/bin/tools/time_manipulator.py b/src/examples/plugins/time_manipulator_plugin/install/linux/bin/tools/time_manipulator.py
index 577c4783a..1b30fb10b 100644
--- a/src/examples/plugins/time_manipulator_plugin/install/linux/bin/tools/time_manipulator.py
+++ b/src/examples/plugins/time_manipulator_plugin/install/linux/bin/tools/time_manipulator.py
@@ -91,7 +91,7 @@ class URLApp:
                     f"Sent POST request to {url} with json_data {json_data}, response: {response.status} {response.reason}")
                 conn.close()
             except Exception as e:
-                print(f"Error sending request: {}".format(e))
+                print("Error sending request: {}".format(e))
 
 
 if __name__ == "__main__":