给我猜一下：
$ obs
obs: error while loading shared libraries: libdouble-conversion.so.1: cannot open shared object file: No such file or directory
$ sudo apt install libdouble-conversion1
Reading package lists... Done
Building dependency tree
Reading state information... Done
libdouble-conversion1 is already the newest version (2.0.1-5).
0 upgraded, 0 newly installed, 0 to remove and 24 not upgraded.
$ dpkg -L libdouble-conversion1 ✘ 127
/.
/usr
/usr/lib
/usr/lib/x86_64-linux-gnu
/usr/lib/x86_64-linux-gnu/libdouble-conversion.so.1.0
/usr/share
/usr/share/doc
/usr/share/doc/libdouble-conversion1
/usr/share/doc/libdouble-conversion1/README
/usr/share/doc/libdouble-conversion1/changelog.Debian.gz
/usr/share/doc/libdouble-conversion1/copyright
/usr/lib/x86_64-linux-gnu/libdouble-conversion.so.1
$ ldd $(which obs) | grep double
libdouble-conversion.so.1 => not found
$ ldd $(which obs) | head
linux-vdso.so.1 (0x00007ffdf8323000)
libobs-frontend-api.so.0 => /usr/lib/libobs-frontend-api.so.0 (0x00007f67ba8bc000)
libavcodec.so.58 => /usr/lib/x86_64-linux-gnu/libavcodec.so.58 (0x00007f67b93c4000)
libavutil.so.56 => /usr/lib/x86_64-linux-gnu/libavutil.so.56 (0x00007f67b9346000)
libavformat.so.58 => /usr/lib/x86_64-linux-gnu/libavformat.so.58 (0x00007f67b90ee000)
libcurl.so.4 => /usr/lib/x86_64-linux-gnu/libcurl.so.4 (0x00007f67b906b000)
libQt5X11Extras.so.5 => /usr/lib/x86_64-linux-gnu/libQt5X11Extras.so.5 (0x00007f67b9064000)
libQt5Widgets.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 (0x00007f67b8a0a000)
libobs.so.0 => /usr/lib/libobs.so.0 (0x00007f67b893f000)
libQt5Gui.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 (0x00007f67b83d4000)
我在这台机器上不止一次遇到过类似的问题。为什么它拒绝链接libdouble-conversion.so.1我机器上明明存在的文件？