Error content:

UserWarning: You are using GPU version Paddle, but your CUDA device is not set properly. CPU device will be used by default.
  "You are using GPU version Paddle, but your CUDA device is not set properly. CPU device will be used by default."
Traceback (most recent call last):
  File "D:/python-pic/exm4/fruits/01_fruits.py", line 178, in <module>
    place=fluid.CUDAPlace(0)#GPU上执行
OSError: (External) CUDA error(35), CUDA driver version is insufficient for CUDA runtime version. 
  [Hint: 'cudaErrorInsufficientDriver'. This indicates that the installed NVIDIA CUDA driver is older than the CUDA runtime library. This is not a supported configuration.Users should install an updated NVIDIA display driver to allow the application to run.] (at ..\paddle\fluid\platform\gpu_info.cc:108)

reason:

This indicates that the installed NVIDIA CUDA driver is older than the CUDA runtime library. This is not a supported configuration.Users should install an updated NVIDIA display driver to allow the application to run.

Solution: update the graphics card driver