diff --git a/docs/assets/example/index.js b/docs/assets/example/index.js
index 838f0ffe5..878cdfa2c 100644
--- a/docs/assets/example/index.js
+++ b/docs/assets/example/index.js
@@ -23,7 +23,6 @@ var art = new Artplayer({
     miniProgressBar: true,
     localVideo: true,
     localSubtitle: true,
-    networkMonitor: false,
     mutex: true,
     backdrop: true,
     log: true,
diff --git a/packages/artplayer/src/index.js b/packages/artplayer/src/index.js
index 62f1b8fad..420335d61 100644
--- a/packages/artplayer/src/index.js
+++ b/packages/artplayer/src/index.js
@@ -134,7 +134,6 @@ export default class Artplayer extends Emitter {
             miniProgressBar: false,
             localVideo: false,
             localSubtitle: false,
-            networkMonitor: false,
             useSSR: false,
             layers: [],
             contextmenu: [],
diff --git a/packages/artplayer/src/scheme/index.js b/packages/artplayer/src/scheme/index.js
index 1e614b54b..3ffd39a01 100644
--- a/packages/artplayer/src/scheme/index.js
+++ b/packages/artplayer/src/scheme/index.js
@@ -56,7 +56,6 @@ export default {
     miniProgressBar: b,
     localVideo: b,
     localSubtitle: b,
-    networkMonitor: b,
     useSSR: b,
     plugins: [f],
     whitelist: [`${s}|${f}|${r}`],
diff --git a/packages/artplayer/types/artplayer.d.ts b/packages/artplayer/types/artplayer.d.ts
index 5fdd66553..af0cc864e 100644
--- a/packages/artplayer/types/artplayer.d.ts
+++ b/packages/artplayer/types/artplayer.d.ts
@@ -7,9 +7,10 @@ type Component = {
     click?: Function;
     mounted?: Function;
     tooltip?: string;
-    position?: 'top' | 'left' | 'right' | 'middle';
+    position?: 'top' | 'left' | 'right';
     selector?: {
-        name: string;
+        default?: boolean;
+        html: string;
     }[];
     onSelect?: Function;
 };
@@ -46,7 +47,6 @@ export default class Artplayer {
         miniProgressBar?: boolean;
         localVideo?: boolean;
         localSubtitle?: boolean;
-        networkMonitor?: boolean;
         useSSR?: boolean;
         plugins?: Function[];
         whitelist?: (string | Function | RegExp)[];
@@ -55,7 +55,7 @@ export default class Artplayer {
         controls?: Component[];
         quality?: {
             default?: boolean;
-            name: string;
+            html: string;
             url: string;
         }[];
         highlight?: {
@@ -72,8 +72,8 @@ export default class Artplayer {
         subtitle?: {
             url: string;
             style: object;
-            encoding: string,
-            bilingual: boolean,
+            encoding: string;
+            bilingual: boolean;
         };
         moreVideoAttr?: object;
         icons?: {