diff --git a/package.json b/package.json
index 989638d..1b53d6b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "media_player_client",
-  "version": "1.4.5",
+  "version": "1.4.6",
   "description": "A Quasar Framework app",
   "productName": "MediaPlayerClient",
   "author": "fangxiang <fangxiang@cloudview.work>",
diff --git a/src/common/ClientConnection.ts b/src/common/ClientConnection.ts
index 0f127d1..f64382c 100644
--- a/src/common/ClientConnection.ts
+++ b/src/common/ClientConnection.ts
@@ -1054,6 +1054,16 @@ export default class ClientConnection {
     }
   }
 
+  public async setHdmiInDecodeType(index: number, type: string) {
+    try {
+      return await this.doRpc<Protocol.SetHdmiInDecodeTypeResponseEntity>(
+        new Protocol.SetHdmiInDecodeTypeRequestEntity(index, type)
+      );
+    } catch (e) {
+      console.error(e);
+    }
+  }
+
   public destory() {
     if (this.ws) {
       this.ws.onclose = null;
diff --git a/src/components/SignalSourceTree.vue b/src/components/SignalSourceTree.vue
index ad49edb..f025d07 100644
--- a/src/components/SignalSourceTree.vue
+++ b/src/components/SignalSourceTree.vue
@@ -39,8 +39,37 @@
               {{ prop.node.name }}
             </div>
           </q-item-section>
-          <q-popup-proxy context-menu>
+          <q-popup-proxy context-menu @before-show="updateContextMenu">
             <q-list>
+              <q-item
+                clickable
+                v-ripple
+                v-close-popup
+                v-if="prop.node.item_data.window_type == 'EwindowType::HdmiIn'"
+                @click="setHdmiInDecodeType(1, 'NV12')"
+              >
+                <q-item-section>
+                  {{ $t("lossy ") + $t("picture quality") }}
+                </q-item-section>
+                <q-item-section side v-if="lossy_pic">
+                  <q-icon name="done" />
+                </q-item-section>
+              </q-item>
+              <q-item
+                clickable
+                v-ripple
+                v-close-popup
+                v-if="prop.node.item_data.window_type == 'EwindowType::HdmiIn'"
+                @click="setHdmiInDecodeType(1, 'NV16')"
+              >
+                <q-item-section>
+                  {{ $t("lossless ") + $t("picture quality") }}
+                </q-item-section>
+                <q-item-section side v-if="!lossy_pic">
+                  <q-icon name="done" />
+                </q-item-section>
+              </q-item>
+
               <q-item
                 v-if="
                   prop.node.name == $t('signal source') ||
@@ -158,6 +187,8 @@ export default defineComponent({
     const $q = useQuasar();
     const $t = useI18n();
 
+    const lossy_pic = ref(false);
+
     const content_height = ref(0);
 
     const refresh_content_height = () => {
@@ -187,6 +218,7 @@ export default defineComponent({
       tree,
       tree_nodes,
       content_height,
+      lossy_pic,
       loga(a: any) {
         console.log(a);
       },
@@ -232,6 +264,31 @@ export default defineComponent({
           timeout: 1500,
         });
       },
+      updateContextMenu() {
+        lossy_pic.value =
+          (GlobalData.getInstance().applicationConfig?.hdmi_in_decode_type_1 ??
+            "NV12") == "NV12";
+      },
+      async setHdmiInDecodeType(index: number, type: string) {
+        let success = false;
+
+        const response = await GlobalData.getInstance()
+          .getCurrentClient()
+          ?.setHdmiInDecodeType(index, type);
+
+        if (response) {
+          success = response.success;
+        }
+
+        $q.notify({
+          color: success ? "positive" : "negative",
+          icon: success ? "done" : "warning",
+          message:
+            $t.t("set") + (success ? $t.t("success") : $t.t("fail")) + "!",
+          position: "top",
+          timeout: 1500,
+        });
+      },
     };
   },
 });
diff --git a/src/entities/ApplicationConfigEntity.ts b/src/entities/ApplicationConfigEntity.ts
index 911c0f9..fdf1b25 100644
--- a/src/entities/ApplicationConfigEntity.ts
+++ b/src/entities/ApplicationConfigEntity.ts
@@ -27,4 +27,5 @@ export default class ApplicationConfigEntity {
   application_data_dir: string = "";
   runtime_os: string = "";
   registered: boolean = false;
+  hdmi_in_decode_type_1: string | undefined;
 }
diff --git a/src/entities/WSProtocol.ts b/src/entities/WSProtocol.ts
index 2e6631a..6a335cf 100644
--- a/src/entities/WSProtocol.ts
+++ b/src/entities/WSProtocol.ts
@@ -420,6 +420,10 @@ export namespace Protocol {
       return Commands.PROTOCOL_PREFIX + "RpcGetSystemNetworkInfo";
     }
 
+    public static get kRpcSetHdmiInDecodeType() {
+      return Commands.PROTOCOL_PREFIX + "RpcSetHdmiInDecodeType";
+    }
+
     static _all_commands = new Set([
       Commands.kUnKnowCommand,
       Commands.kSearchDevice,
@@ -524,6 +528,7 @@ export namespace Protocol {
       Commands.kRpcDeleteTimingTask,
       Commands.kRpcGetTimingTasks,
       Commands.kRpcGetSystemNetworkInfo,
+      Commands.kRpcSetHdmiInDecodeType,
     ]);
     public static get AllCommands() {
       return this._all_commands;
@@ -2667,4 +2672,28 @@ export namespace Protocol {
     net_mask = "192.168.1.1";
     mac_address = "AA:BB:CC:DD:EE:FF";
   }
+
+  export class SetHdmiInDecodeTypeRequestEntity extends PacketEntity {
+    constructor(index: number, type: string, rpc_id = 0) {
+      super();
+      super.command = Commands.kRpcSetHdmiInDecodeType;
+      super.flag = PacketEntity.FLAG_REQUEST;
+      super.rpc_id = rpc_id;
+      this.index = index ?? 1;
+      this.type = type ?? "NV12";
+    }
+    index: number;
+    type: string;
+    note: string = "";
+  }
+
+  export class SetHdmiInDecodeTypeResponseEntity extends PacketEntity {
+    constructor() {
+      super();
+      super.flag = PacketEntity.FLAG_RESPONSE;
+    }
+
+    success = false;
+    note = "";
+  }
 }
diff --git a/src/i18n/zh-CN/index.ts b/src/i18n/zh-CN/index.ts
index 8032bc5..6a0cbfa 100644
--- a/src/i18n/zh-CN/index.ts
+++ b/src/i18n/zh-CN/index.ts
@@ -508,4 +508,10 @@ export default {
   "new task": "新建任务",
   all: "全部",
   unknow: "未知",
+  lossy: "有损",
+  "lossy ": "有损",
+  lossless: "无损",
+  "lossless ": "无损",
+  "picture quality": "画质",
+  set: "设置",
 };