diff --git a/src/core/service/api/context/create-video-context.js b/src/core/service/api/context/create-video-context.js
index 2a72bef4a41142868ce990444429de1ae4bbf5ba..f69dad5dc26fff120a73ef70c50549d0767d41aa 100644
--- a/src/core/service/api/context/create-video-context.js
+++ b/src/core/service/api/context/create-video-context.js
@@ -25,9 +25,7 @@ class VideoContext {
     operateVideoPlayer(this.id, this.pageVm, 'stop')
   }
   seek (position) {
-    operateVideoPlayer(this.id, this.pageVm, 'seek', {
-      position
-    })
+    operateVideoPlayer(this.id, this.pageVm, 'seek', position)
   }
   sendDanmu (args) {
     operateVideoPlayer(this.id, this.pageVm, 'sendDanmu', args)
@@ -36,11 +34,9 @@ class VideoContext {
     if (!~RATES.indexOf(rate)) {
       rate = 1.0
     }
-    operateVideoPlayer(this.id, this.pageVm, 'playbackRate', {
-      rate
-    })
+    operateVideoPlayer(this.id, this.pageVm, 'playbackRate', rate)
   }
-  requestFullScreen (args) {
+  requestFullScreen (args = {}) {
     operateVideoPlayer(this.id, this.pageVm, 'requestFullScreen', args)
   }
   exitFullScreen () {