加载模型代码为：

self.infer_program, feed_target_names, self.probs = fluid.io.load_inference_model(
model_abs_path, self.exe, model_filename='model', params_filename='params')

报错显示

Traceback (most recent call last):
File "/data/disk3/zhaoshanshan03/myproject/erniewenyiwenquality/test/../erniewenyiwenquality_predictor.py", line 70, in __init__
model_abs_path, self.exe, model_filename='model', params_filename='params')
File "", line 2, in load_inference_model
File "/data/disk3/zhaoshanshan03/pyenv/python3.7.1_gcc82_pd2.0rc_gpu/lib/python3.7/site-packages/paddle/fluid/wrapped_decorator.py", line 25, in __impl__
return wrapped_func(*args, **kwargs)
File "/data/disk3/zhaoshanshan03/pyenv/python3.7.1_gcc82_pd2.0rc_gpu/lib/python3.7/site-packages/paddle/fluid/framework.py", line 234, in __impl__
return func(*args, **kwargs)
File "/data/disk3/zhaoshanshan03/pyenv/python3.7.1_gcc82_pd2.0rc_gpu/lib/python3.7/site-packages/paddle/fluid/io.py", line 1538, in load_inference_model
program = Program.parse_from_string(program_desc_str)
File "/data/disk3/zhaoshanshan03/pyenv/python3.7.1_gcc82_pd2.0rc_gpu/lib/python3.7/site-packages/paddle/fluid/framework.py", line 4872, in parse_from_string
print(core.ProgramDesc(b'\x1f\xbeZB\xe4\x13\x7fz\t\xbc'))
ValueError: (InvalidArgument) Failed to parse program_desc from binary string.
[Hint: Expected desc_.ParseFromString(binary_str) == true, but received desc_.ParseFromString(binary_str):0 != true:1.] (at /paddle/paddle/fluid/framework/program_desc.cc:104)