java.lang.ClassNotFoundException: Didn't find class 。。。。

java.lang.RuntimeException: Unable to get provider com.luck.picture.lib.PictureFileProvider: java.lang.ClassNotFoundException: Didn't find class "com.luck.picture.lib.PictureFileProvider" on path: DexPathList[[zip file "/data/app/com.example.innovation_dzc-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.example.innovation_dzc-1, /vendor/lib, /system/lib]]

分包错误////

解决方法：

@Override
    protected void attachBaseContext(Context base) {
        super.attachBaseContext(base);
        MultiDex.install(this);

    }