fix: 修复flv格式的视频在转码后无法播放的问题

src/components/preview/VideoPreview.vue

@@ -146,7 +146,7 @@ export default {
         this.option.url = videoUrl
 
         if (this.file.m3u8) {
-          const supported = ['mp4', 'ogg', 'mkv', 'webm', 'hls', 'mov']
+          const supported = ['mp4', 'ogg', 'mkv', 'webm', 'hls', 'mov', 'flv']
           if (supported.includes(this.file.suffix.toLowerCase())) {
             this.option.quality = [
               {
@@ -161,7 +161,8 @@ export default {
             ]
           }
           this.option.customType = {
-            m3u8: this.playM3u8
+            m3u8: this.playM3u8,
+            flv: this.playFlv
           }
           this.option.plugins = [
             artplayerPluginVttThumbnail({
@@ -170,14 +171,6 @@ export default {
           ]
         }
 
-        if (this.file.contentType.indexOf('flv') > -1) {
-          this.option.url = originUrl
-          this.option.quality = []
-          this.option.customType = {
-            flv: this.playFlv
-          }
-        }
-
         this.videoLink = window.location.origin + originUrl
         this.title = this.file.name
         this.option.id = this.file.id