TypeError: 'unk__0' has type str, but expected one of: int

[EddyGogogo]

W build: These outputs ['log_d_predictions', '382'] of model are constants, remove it from RKNN model!
Therefore, in the post-processing, these constants can not be obtained from the outputs of inference,
And the user can obtain it from ['log_d_predictions.npy', '382.npy'] in the current directory!
D Fixed the shape information of some tensor!
D
D correct_ops ...
D correct_ops done.
D
D fuse_ops ...
E build: Traceback (most recent call last):
File "rknn/api/rknn_log.py", line 344, in rknn.api.rknn_log.error_catch_decorator.error_catch_wrapper
File "rknn/api/rknn_base.py", line 2007, in rknn.api.rknn_base.RKNNBase.build
File "rknn/api/graph_optimizer.py", line 1931, in rknn.api.graph_optimizer.GraphOptimizer.fuse_ops
File "rknn/api/ir_graph.py", line 2055, in rknn.api.ir_graph.IRGraph.update_dynamic_shapes
File "rknn/api/base_utils.py", line 16, in rknn.api.base_utils.inf_shape_set
TypeError: 'unk__0' has type str, but expected one of: int

W build: ===================== WARN(10) =====================
E rknn-toolkit2 version: 2.3.2
Traceback (most recent call last):
File "rknn/api/rknn_log.py", line 344, in rknn.api.rknn_log.error_catch_decorator.error_catch_wrapper
File "rknn/api/rknn_base.py", line 2007, in rknn.api.rknn_base.RKNNBase.build
File "rknn/api/graph_optimizer.py", line 1931, in rknn.api.graph_optimizer.GraphOptimizer.fuse_ops
File "rknn/api/ir_graph.py", line 2055, in rknn.api.ir_graph.IRGraph.update_dynamic_shapes
File "rknn/api/base_utils.py", line 16, in rknn.api.base_utils.inf_shape_set
TypeError: 'unk__0' has type str, but expected one of: int

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "convert1.py", line 21, in
ret = rknn.build(do_quantization=False)
File "/root/miniconda3/envs/toolkit2/lib/python3.8/site-packages/rknn/api/rknn.py", line 198, in build
return self.rknn_base.build(do_quantization=do_quantization, dataset=dataset, expand_batch_size=rknn_batch_size, auto_hybrid=auto_hybrid)
File "rknn/api/rknn_log.py", line 349, in rknn.api.rknn_log.error_catch_decorator.error_catch_wrapper
File "rknn/api/rknn_log.py", line 95, in rknn.api.rknn_log.RKNNLog.e
ValueError: Traceback (most recent call last):
File "rknn/api/rknn_log.py", line 344, in rknn.api.rknn_log.error_catch_decorator.error_catch_wrapper
File "rknn/api/rknn_base.py", line 2007, in rknn.api.rknn_base.RKNNBase.build
File "rknn/api/graph_optimizer.py", line 1931, in rknn.api.graph_optimizer.GraphOptimizer.fuse_ops
File "rknn/api/ir_graph.py", line 2055, in rknn.api.ir_graph.IRGraph.update_dynamic_shapes
File "rknn/api/base_utils.py", line 16, in rknn.api.base_utils.inf_shape_set
TypeError: 'unk__0' has type str, but expected one of: int

[EddyGogogo]

基于3588开发板，将onnx模型转rknn出现了这个问题，不是官方的模型，是自己的模型，请问原因是什么，应该如何排查。