我以前尝试过这些方法，但没有解决我的问题。最后，我通过这种方式解决了。

I have tried the methods before and it did not solve my problem. Finally, I solved it by this way.

在命令（ cmd $]中编译可执行文件（ exe ）文件时c $ c>）窗口，我的命令编写如下：

When compiling the executables (exe) files in the command (cmd) window, my command is written as follows:

pyinstaller -F --paths C:\Users\lixib\Desktop\Hiwi_job\Code\2018.04.23\venv\Lib\site-packages\scipy\extra-dll pdf_num_detect.py

希望这些小技巧可以帮助您。

Hope this small tricks can help you all.