android登录时一直报301 fetchToken can't fetch user token: 301

android登录时一直报301 
错误日志：
[2017/08/30 10:14:59:141]: =============EMChatClientImpl::init()==================
[2017/08/30 10:14:59:141]: dns config mode is 0
[2017/08/30 10:14:59:141]: EMConfigManager::init() 
[2017/08/30 10:14:59:159]: ----------------------begin of config----------------------
[2017/08/30 10:14:59:160]: ----------------------end of config----------------------
[2017/08/30 10:14:59:168]: addConnectionListener
[2017/08/30 10:14:59:168]: addConnectionListener
[2017/08/30 10:14:59:169]: addConnectionListener
[2017/08/30 10:14:59:172]: =============== Call Manager init ===============
[2017/08/30 10:14:59:174]: addConnectionListener
[2017/08/30 10:14:59:191]: registerContactListener
[2017/08/30 10:14:59:389]: Java_com_hyphenate_chat_adapter_EMACallManager_nativeAddListener 
[2017/08/30 10:14:59:389]: Java_com_hyphenate_chat_adapter_EMACallManager_nativeAddListener listener:0xf4bcbc80 builder:0xf4bcbc84
[2017/08/30 10:14:59:389]: [EMCallManager$RTC] [rapi]++ initGlobal, useVideoCodecHw=false
[2017/08/30 10:14:59:393]: [EMCallManager$RTC] [rapi]-- initGlobal, useVideoCodecHw=false
[2017/08/30 10:14:59:397]: [global listener] onDisconnect2
[2017/08/30 10:14:59:397]: [group] add group change listener:com.mengzhu.app.module.support.huanxin.MyGroupChangeListener
[2017/08/30 10:16:06:461]: EMSessionManager::createAccount()
[2017/08/30 10:16:06:461]: restBaseUrl()
[2017/08/30 10:16:06:462]: EMDNSManager::getCurrentHost: type: 3
[2017/08/30 10:16:06:462]: restAddress is empty
[2017/08/30 10:16:06:465]: httprequest perform: http:///easemob-demo/chatdemoui/users
[2017/08/30 10:16:07:155]: [EMARHttpAPI] Host name may not be null
[2017/08/30 10:16:09:293]: [EMARHttpAPI] can't catch exceptions
[2017/08/30 10:16:09:303]: EMSessionManager::createAccount() code: 408 http response: 
[2017/08/30 10:16:09:303]: Java_com_hyphenate_chat_adapter_EMAChatClient_native_1createAccount code:208 desc:Registration failed.
[2017/08/30 10:18:13:867]: [EMPushHelper] push notification helper ondestory
[2017/08/30 10:18:13:868]: [EMClient]  SDK Logout
[2017/08/30 10:18:13:893]: logout, user not login
[2017/08/30 10:18:13:893]: saveConfigs()
[2017/08/30 10:18:13:894]: write to config file: {}
[2017/08/30 10:18:14:025]: [EMClient] do stop service
[2017/08/30 10:18:47:756]: [EMPushHelper] push notification helper ondestory
[2017/08/30 10:18:47:758]: [EMClient]  SDK Logout
[2017/08/30 10:18:47:779]: logout, user not login
[2017/08/30 10:18:47:779]: saveConfigs()
[2017/08/30 10:18:47:780]: write to config file: {}
[2017/08/30 10:18:47:788]: [EMClient] do stop service
[2017/08/30 10:19:01:856]: [EMPushHelper] push notification helper ondestory
[2017/08/30 10:19:01:877]: [EMClient]  SDK Logout
[2017/08/30 10:19:02:080]: logout, user not login
[2017/08/30 10:19:02:080]: saveConfigs()
[2017/08/30 10:19:02:080]: write to config file: {}
[2017/08/30 10:19:02:254]: [EMClient] do stop service
[2017/08/30 10:21:32:591]: [EMClient] emchat manager login in process:9712
[2017/08/30 10:21:32:616]: performMigrationIfNecessary current DB version: 4
[2017/08/30 10:21:32:616]: EMSessionManager::login(): 2236258
[2017/08/30 10:21:32:621]: fetchToken()
[2017/08/30 10:21:32:621]: restBaseUrl()
[2017/08/30 10:21:32:621]: EMDNSManager::getCurrentHost: type: 3
[2017/08/30 10:21:32:621]: restAddress is empty
[2017/08/30 10:21:32:621]: fetchTokenForUser()http:///easemob-demo/chatdemoui/token
[2017/08/30 10:21:32:623]: httprequest perform: http:///easemob-demo/chatdemoui/token
[2017/08/30 10:21:32:630]: [EMARHttpAPI] Host name may not be null
[2017/08/30 10:21:32:637]: [EMARHttpAPI] can't catch exceptions
[2017/08/30 10:21:32:638]: fetchTokenForUser return code : 408  response :  and error desc: 
[2017/08/30 10:21:32:638]: restBaseUrl()
[2017/08/30 10:21:32:638]: EMDNSManager::getNextAvailableHost: type: 3
[2017/08/30 10:21:32:638]: [retrieve token time] 0: 0: 17
[2017/08/30 10:21:32:638]: fetchToken can't fetch user token: 301
[2017/08/30 10:21:32:640]: [EMClient] do stop service