$ adb logcat | grep "key_data(TR-31)"
06-13 10:24:12.820 1733 2803 D KeyDownloadManager: Keyinject |key_data(TR-31) :D0112B1TX00E000097BC7A033CAC1062EF935743E810B03E9BBC476A702ECE281196B7ABB7DDF815BAD8ED9A9B7201B6B4038FCE7C66CB5B

TR31是什么错误？