diff --git a/build/v2-hdmiusb-rpi4.override.yaml b/build/v2-hdmiusb-rpi4.override.yaml
index 116dfc87..25caf3ed 100644
--- a/build/v2-hdmiusb-rpi4.override.yaml
+++ b/build/v2-hdmiusb-rpi4.override.yaml
@@ -16,6 +16,8 @@ kvmd:
         resolution:
             default: 1280x720
         forever: true
+        h264_bitrate:
+            default: 2000
         cmd:
             - "/usr/local/bin/ustreamer"
             - "--device=/dev/kvmd-video"
@@ -37,6 +39,8 @@ kvmd:
             - "--h264-sink-mode=0660"
             - "--jpeg-sink=kvmd::ustreamer::jpeg"
             - "--jpeg-sink-mode=0660"
+            - "--h264-bitrate={h264_bitrate}"
+            - "--h264-gop={h264_gop}"
             - "--slowdown"
 
 vnc:
diff --git a/web/share/i18n/i18n_zh.json b/web/share/i18n/i18n_zh.json
index 20e3650d..064492ca 100644
--- a/web/share/i18n/i18n_zh.json
+++ b/web/share/i18n/i18n_zh.json
@@ -38,9 +38,9 @@
     "kvm_text8":"网络唤醒",
     "kvm_text9":"分辨率：",
     "kvm_text10":"JPEG 质量：",
-    "kvm_text11":"JPEG 最大帧率",
-    "kvm_text12":"H.264 码率：",
-    "kvm_text13":"H.264 间隔",
+    "kvm_text11":"JPEG 最大FPS：",
+    "kvm_text12":"H.264 比特率：",
+    "kvm_text13":"H.264 帧间隔：",
     "kvm_text14":"视频模式",
     "kvm_text15":"虚拟键盘",
     "kvm_text16":"终端",