完善默认值显示

src/renderer/components/core/Player.vue

@@ -582,11 +582,11 @@ export default {
       if (!mediaDeviceName) return
       const devices = await navigator.mediaDevices.enumerateDevices()
       let device = devices.find(device => device.label === mediaDeviceName)
-      if (!device) return this.setMediaDeviceId(null)
+      if (!device) return this.setMediaDeviceId('default')
       console.log(device)
       this.audio.setSinkId(device.deviceId).catch((err) => {
         console.log(err)
-        this.setMediaDeviceId(null)
+        this.setMediaDeviceId('default')
       })
     },
     handleSetTransition() {

src/renderer/components/material/Selection.vue

@@ -40,8 +40,8 @@ export default {
     label() {
       if (!this.value) return ''
       if (!this.itemName) return this.value
-      const item = this.list.find(l => l.id == this.value)
-      if (!item) return this.value
+      const item = this.list.find(l => l[this.itemKey] == this.value)
+      if (!item) return ''
       return item[this.itemName]
     },
   },