fix: 修复hf_tocken

modules/ai_model.py

@@ -22,7 +22,7 @@ class AIModel:
         """HuggingFace认证"""
         try:
             # 从环境变量获取HF token
-            hf_token = os.getenv("Assitant_tocken") or os.getenv("Assitant_tocken")
+            hf_token = os.getenv("Assitant_tocken") or os.getenv("gemma3n_git")
             
             if hf_token:
                 login(token=hf_token, add_to_git_credential=False)
@@ -39,7 +39,7 @@ class AIModel:
         try:
             log.info(f"正在加载模型: {self.model_name}")
 
-            hf_token = os.getenv("Assitant_tocken") or os.getenv("Assitant_tocken")
+            hf_token = os.getenv("Assitant_tocken") or os.getenv("gemma3n_git")
             
             self.model = Gemma3nForConditionalGeneration.from_pretrained(
                 self.model_name,