使用Qwen数据模板，微调input构造不合理

[phbst]

Reminder

• I have read the README and searched the existing issues.

System Info

数据配置（数据集里存在“input”，“output”字段）

sft配置文件

model_name_or_path: /home/phb/phb/models/Qwen2.5-Coder-0.5B-Instruct

stage: sft
do_train: true
finetuning_type: lora
lora_target: all
lora_rank: 32
lora_alpha: 64
lora_dropout: 0.05
loraplus_lr_ratio: 10.0
use_rslora: True

### dataset
dataset: intent_ultimate_train
template: qwen
cutoff_len: 16000
max_samples: 20000
overwrite_cache: true
preprocessing_num_workers: 16

### output
output_dir: /home/phb/phb/ft_models/12_12_0_intent-Qwen2.5-Coder-0.5B-Instruct
logging_steps: 10
save_steps: 1000
plot_loss: true
overwrite_output_dir: true

### train
per_device_train_batch_size: 1
gradient_accumulation_steps: 4
learning_rate: 1.0e-5
num_train_epochs: 3.0
lr_scheduler_type: cosine
warmup_ratio: 0.1
bf16: true
ddp_timeout: 180000000

### eval
val_size: 0.05
per_device_eval_batch_size: 1
eval_strategy: steps
eval_steps: 500


# #quant
# quantization_bit: 4

Reproduction

inputs:
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
diff
None

<|fim_prefix|>Python/danswer/backend/ee/danswer/server/enterprise_settings/api.py
from fastapi import APIRouter
from fastapi import Depends
from fastapi import HTTPException
from fastapi import Response
from fastapi import UploadFile
from sqlalchemy.orm import Session

xxxxxx(忽略)

++++++
判断代码补全形式(0:不补全,1:单行补全,2:多行补全)

0: 不补全 — 当上下文信息不足或无法明确确定补全内容时；
1: 单行补全 — 当代码缺少单个语句或表达式，并且上下文信息充足时；
2: 多行补全 — 当代码块或多个语句需要补充，且上下文能提供足够线索时
++++++
<|im_end|>
<|im_start|>assistant
1<|im_end|>

！！！！！！此处inputs为什么包含数据output

label_ids:
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labels:
1<|im_end|>

Expected behavior

No response

Others

No response