初始化项目，由ModelHub XC社区提供模型

Model: Karlzhy/Content_Review_Model
Source: Original Platform

m2.py

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+from transformers import AutoModelForCausalLM, AutoTokenizer
+from peft import PeftModel, PeftConfig
+
+peft_path = "./qwen_lora_checkpoint"
+merged_path = "./qwen2_ad_audit_merged"
+
+# 读取 LoRA 配置
+config = PeftConfig.from_pretrained(peft_path)
+
+# 加载 base 模型
+base = AutoModelForCausalLM.from_pretrained(config.base_model_name_or_path, trust_remote_code=True)
+
+# 注入 LoRA
+model = PeftModel.from_pretrained(base, peft_path)
+
+# 合并
+model = model.merge_and_unload()
+
+# 保存合并后的完整模型
+model.save_pretrained(merged_path)
+tokenizer = AutoTokenizer.from_pretrained(config.base_model_name_or_path, trust_remote_code=True)
+tokenizer.save_pretrained(merged_path)