Update model_wrappers/model_b.py

model_wrappers/model_b.py

@@ -1,8 +1,7 @@
-# model_wrappers/model_b.py
 from transformers import pipeline
 
-# 中文 GPT 模型：Mengzi GPT
-model_b = pipeline("text-generation", model="Langboat/mengzi-gpt-base", tokenizer="Langboat/mengzi-gpt-base")
+# 中文 GPT2 模型（兼容 Hugging Face pipeline）
+model_b = pipeline("text-generation", model="uer/gpt2-chinese-cluecorpussmall", tokenizer="uer/gpt2-chinese-cluecorpussmall")
 
 def run_model_b(prompt: str) -> str:
     output = model_b(prompt,