diff --git a/docs/quickstart/apollo_2_5_hardware_system_installation_guide_v1.md b/docs/quickstart/apollo_2_5_hardware_system_installation_guide_v1.md
index 831686e67961abd7981bd19bdafb7b73e98c2266..ff61a924d11484e9613841727a0e3d939ea300ac 100644
--- a/docs/quickstart/apollo_2_5_hardware_system_installation_guide_v1.md
+++ b/docs/quickstart/apollo_2_5_hardware_system_installation_guide_v1.md
@@ -746,7 +746,7 @@ The Apollo reference design recommends using three cameras with different focal
 
   ![Cameras_lock_screw](./images/LI-Camera-LockScrew.png)
 
-- Use USB 3.0 Cables to connect the cameras (USB 3.0 Micro-B) and the IPC(USB 3.0 type A), and then use the screws to secure the connection.
+- Use USB 3.0 Cables to connect the cameras (USB 3.0 Micro-B) and the IPC(USB 3.0 type A), and then use screws to secure the connection.