Update readme_cn.md misspelling (#2088)

learningpro

2024-09-20 8c88d71f34ddf78588983538f887b8fb483996cd

 funasr/models/transformer/utils/multi_layer_conv.py

@@ -96,7 +96,7 @@
            kernel_size,
            stride=1,
            padding=(kernel_size - 1) // 2,
            bias=False
            bias=False,
        )
        self.norm = torch.nn.LayerNorm(hidden_chans)
        self.dropout = torch.nn.Dropout(dropout_rate)