修复删除语音功能异常2

Controller/VoicePromptController.py

@@ -145,10 +145,12 @@ class VoicePromptView(View):
                 uid = voice_qs[0].uid
                 device_qs = Device_Info.objects.filter(UID=uid, userID=userID)
                 if device_qs.exists():
+                    channel = voice_qs[0].channel
+                    filename = voice_qs[0].filename
                     voice_qs.delete()
                     auth = oss2.Auth(OSS_STS_ACCESS_KEY, OSS_STS_ACCESS_SECRET)
                     bucket = oss2.Bucket(auth, 'http://oss-cn-shenzhen.aliyuncs.com', 'ansjer-static-resources')
-                    obj = 'voice_prompt/{uid}/{channel}/'.format(uid=uid, channel=voice_qs[0].channel) + voice_qs[0].filename
+                    obj = 'voice_prompt/{uid}/{channel}/'.format(uid=uid, channel=channel) + filename
                     bucket.delete_object(obj)
                     return response.json(0)
                 else: