diff --git a/build/v2-hdmiusb-rpi4.override.yaml b/build/v2-hdmiusb-rpi4.override.yaml
index 2eceea6a..c23192c3 100644
--- a/build/v2-hdmiusb-rpi4.override.yaml
+++ b/build/v2-hdmiusb-rpi4.override.yaml
@@ -10,7 +10,7 @@ kvmd:
 
     hid:
         type: ch9329
-        device: /dev/kvmd-hid
+        device: /dev/ttyUSB0
 
     msd:
         type: disabled
@@ -23,7 +23,7 @@ kvmd:
             default: 2000
         cmd:
             - "/usr/bin/ustreamer"
-            - "--device=/dev/kvmd-video"
+            - "--device=/dev/video0"
             - "--persistent"
             - "--format=mjpeg"
             - "--encoder=LIBX264-VIDEO"
diff --git a/configs/kvmd/init.sh b/configs/kvmd/init.sh
index 99bcc63b..d3c3df08 100755
--- a/configs/kvmd/init.sh
+++ b/configs/kvmd/init.sh
@@ -110,10 +110,14 @@ redirect_stderr=true
 EOF
     fi
 
-    #/dev/video0 设备优先级高于 /dev/kvmd-video
-    if [ -f /dev/video0 ]; then
-        echo -e "${GREEN}Found /dev/video0, use it as kvmd video device.${NC}"
-        sed -i "s/\/dev\/kvmd-video/\/dev\/video0/g" /etc/kvmd/override.yaml
+    #/dev/kvmd-video 设备优先级高于 /dev/video0,/dev/kvmd-hid 设备优先级高于 /dev/ttyUSB0
+    if [ -f /dev/kvmd-video ]; then
+        echo -e "${GREEN}Found dev/kvmd-video, use it as kvmd video device.${NC}"
+        sed -i "s/\/dev\/video0/\/dev\/kvmd-video/g" /etc/kvmd/override.yaml
+    fi
+    if [ -f /dev/kvmd-hid ]; then
+        echo -e "${GREEN}Found /dev/kvmd-hid, use it as kvmd video device.${NC}"
+        sed -i "s/\/dev\/ttyUSB0/\/dev\/kvmd-hid/g" /etc/kvmd/override.yaml
     fi
 
     #设置用户账号密码