具体的错误提示如下：

****************************************************************

Checking input parameters: [OK]

Checking Epal2nal.pl: [OK]

Checking multiple sequence aligner: muscle[OK]

Checking output format: [OK]

Checking output folder: [OK]

Outputing input parameters:

Homologous groups = homo_pairs.txt1

Amino acids sequences = Input_pep.fa

Nucleotide sequences = Input_cds.fa

Process file = proc.txt

Output folder = align_out

Multiple sequence aligner = muscle

Output format = axt

Genetic code = 1-The Standard Code 

KaKs_Calculator used = FALSE

Remove gap = FALSE

Remove mismatched codons = FALSE

Verbose output = FALSE

Reading homologous groups from homo_pairs.txt1: 100 groups

Reading nucleotide sequences from Input_cds.fa: 118339 nucleotide sequences

Reading amino acid sequences from Input_pep.fa: 118339 amino acid sequences

Generating homologous group files for alignments: 0 from 100 groups

Aligning amino acid sequences for 0 homologous groups:

Translating amino acid alignments into codon alignments:

Cleaning temporary files:

Mission Accomplished (Time used: 0s).