打包是报错   就添加了 语音 功能 为什么 需要com.baidu.location.BDLocation 定位的这个库 要怎么解决

Proguard returned with error code 1. See console

[2016-05-17 10:04:44 - aisz] Note: there were 616 duplicate class definitions.

[2016-05-17 10:04:44 - aisz] Warning: com.baidu.voicerecognition.android.VoiceRecognitionClient: can't find referenced class com.baidu.location.BDLocation

[2016-05-17 10:04:44 - aisz] Warning: com.baidu.voicerecognition.android.l: can't find referenced class com.baidu.location.BDLocation