diff --git a/pages/API/create-inner-audio-context/create-inner-audio-context.uvue b/pages/API/create-inner-audio-context/create-inner-audio-context.uvue
index 448a32228235311c1dbdb8ccc62e5b887628ffa8..eccf2db4d2b1d0ce452204a2e4c2e9e2b5304391 100644
--- a/pages/API/create-inner-audio-context/create-inner-audio-context.uvue
+++ b/pages/API/create-inner-audio-context/create-inner-audio-context.uvue
@@ -154,7 +154,6 @@
 				this._isChanging = true;
 			},
 			onchange(e : UniSliderChangeEvent) {
-				
 				let pos = e.detail.value;
 				console.log('pos', pos);
 				this._audioContext!.seek(pos);
@@ -277,7 +276,7 @@
 			playbackRateChange(e : UniRadioGroupChangeEvent) {
 				if (this._audioContext != null && this.isPlaying) {
 					console.log(parseFloat(e.detail.value))
-					this._audioContext!.playbackRate = parseFloat(e.detail.value)
+					this._audioContext!.playbackRate = parseFloat(e.detail.value).toDouble()
 				}
 			},
 		}