[]LayaNative App 游戏退到后台再重新进入前台，游戏黑屏

<TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION
上周五还有这样的日志出来，但是今天再去看日志又没有这样的日志了，这个日志应该是纹理已经被卸载了，不在内存里面的原因导致的黑屏

我在游戏启动的时候（弹出LAYA AIR）退到后台还有这样的日志
08-20 14:39:13.025 900-1145/? D/ConnectivityService: returning getNetworkInfo(networkType - 28) :[type: MOBILE_ENT1[] - MOBILE_ENT1, state: DISCONNECTED/DISCONNECTED, reason: (unspecified), extra: (none), roaming: false, failover: false, isAvailable: true, isConnectedToProvisioningNetwork: false]
08-20 14:39:13.035 6436-6483/com.youlongsz.wokgoogleplay E/Adreno-ES20: <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!
    <TexSubImageLoad:405>: Texture miplevel doesn't exist. Returning GL_INVALID_OPERATION!

而且游戏里面的输入框控件还能响应，并弹键盘，可以输入，只是看不到东西，界面黑的