rknn.build 接口只能使用3通道输入的模型吗

[CCC-SUN-sys]

E build: The channel of r_shape [1, 24, 128, 128] must be 3!
I ===================== WARN(0) =====================
E rknn-toolkit2 version: 2.3.0
I Quantizating : 0%| | 0/1794 [00:00<?, ?it/s]
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 1971, in rknn.api.rknn_base.RKNNBase.build
File "rknn/api/rknn_base.py", line 175, in rknn.api.rknn_base.RKNNBase._quantize
File "rknn/api/quantizer.py", line 1417, in rknn.api.quantizer.Quantizer.run
File "rknn/api/quantizer.py", line 899, in rknn.api.quantizer.Quantizer._get_layer_range
File "rknn/api/rknn_utils.py", line 282, in rknn.api.rknn_utils.get_input_img
File "rknn/api/rknn_log.py", line 95, in rknn.api.rknn_log.RKNNLog.e
ValueError: The channel of r_shape [1, 24, 128, 128] must be 3!

[IDEALIST-MAKER]

请问，这是什么问题，解决了吗？