真机测试白屏，只剩下底部tab

报错内容如下。百度的说因为props里使用了this。但我没有用啊，找了半天也没找到问题
16:00:02.386 正在热刷新，如刷新失败，请点击控制台工具栏上的【重启应用图标】
16:00:05.358 reportJSException >>>> exception function:createInstanceContext, exception:white screen cause create instanceContext failed,check js stack ->Exception: TypeError: Attempted to assign to readonly property.
16:00:05.379 eval code
16:00:05.399 eval@[native code]
16:00:05.420 weex createInstanceContext:163:5
16:00:05.440 __webpack_require__@weex createInstanceContext:79:34
16:00:05.461 checkDeferredModules@weex createInstanceContext:46:42
16:00:05.481 webpackJsonpCallback@weex createInstanceContext:33:39
16:00:05.501 global code@weex createInstanceContext:154:57
16:00:05.543 getTemplateInfo== template md5 e2591a11dbdefb07f886d9025bdd0fc2 length 2050735 base64 md5 4lkaEdve+wf4htkCW90Pwg== response header {"templateSourceBase64MD5":["4lkaEdve+wf4htkCW90Pwg=="],"templateSourceMD5":["e2591a11dbdefb07f886d9025bdd0fc2"]}