Environment

• Hardware Environment(Ascend/GPU/CPU):

Uncomment only one /device <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/device ascend
/device gpu
/device cpu

• Software Environment:
  -- MindSpore version (source or binary):
  -- Python version (e.g., Python 3.7.5):
  -- OS platform and distribution (e.g., Linux Ubuntu 16.04):
  -- GCC/Compiler version (if compiled from source):

Related testcase

Steps to reproduce the issue

1. Run a tfhub model including convolution operators whose weight is Int8 and the input is float32.
2. Check the result.

The models including:
lite-model_east-text-detector_int8_1.tflite
lite-model_deeplabv3-xception65_1_default_1.tflite
lite-model_deeplabv3-xception65-cityscapes_1_default_1.tflite
lite-model_deeplabv3-xception65-ade20k_1_default_1.tflite
lite-model_deeplabv3-mobilenetv3-cityscapes_1_default_1.tflite
lite-model_deeplabv3-mobilenetv2_dm05_1_default_1.tflite
lite-model_deeplabv3-mobilenetv2_1_default_1.tflite
lite-model_deeplabv3-mobilenetv2-ade20k_1_default_1.tflite
lite-model_cartoongan_dr_1.tflite
lite-model_arbitrary-image-stylization-inceptionv3_dr_transfer_1.tflite
lite-model_arbitrary-image-stylization-inceptionv3_dr_predict_1.tflite
lite-model_arbitrary-image-stylization-inceptionv3-dynamic-shapes_dr_predict_1.tflite

Describe the current behavior

Describe the expected behavior

Related log / screenshot

Special notes for this issue