diff --git a/src/pages/course/study.vue b/src/pages/course/study.vue
index d3da72a0..888961a1 100644
--- a/src/pages/course/study.vue
+++ b/src/pages/course/study.vue
@@ -792,7 +792,8 @@ const uploadRecordNow = voicePath => {
     id: _id
   })
   scrollToBottomNow()
-  commonUploadVoiceFile(voicePath, '/trastudy/traStdychat/voiceChart', {
+	let _path = isPreview.value ? '/trastudy/traStdychat/previewVoiceChart'  : '/trastudy/traStdychat/voiceChart'
+  commonUploadVoiceFile(voicePath, _path, {
     processType: 'ANSER-VOICE',
     requestBody: JSON.stringify(_data)
   })