diff --git a/bigwork/final_models/crisis_index_model.pkl b/bigwork/final_models/crisis_index_model.pkl
index 85528b5..d330074 100644
Binary files a/bigwork/final_models/crisis_index_model.pkl and b/bigwork/final_models/crisis_index_model.pkl differ
diff --git a/bigwork/final_models/trend_analysis_model.pkl b/bigwork/final_models/trend_analysis_model.pkl
index 2509e8a..89331d5 100644
Binary files a/bigwork/final_models/trend_analysis_model.pkl and b/bigwork/final_models/trend_analysis_model.pkl differ
diff --git a/bigwork/src/deepseek_integrator.py b/bigwork/src/deepseek_integrator.py
index b5598ca..63409ce 100644
--- a/bigwork/src/deepseek_integrator.py
+++ b/bigwork/src/deepseek_integrator.py
@@ -5,6 +5,7 @@ import requests
 from dotenv import load_dotenv
 import pandas as pd
 import numpy as np
+from pathlib import Path
 
 class DeepSeekIntegrator:
     def __init__(self, api_key=None):
@@ -13,7 +14,10 @@ class DeepSeekIntegrator:
         
         # 如果没有提供API密钥，尝试从环境变量加载
         if not api_key:
-            load_dotenv()
+            # 获取项目根目录的.env文件路径
+            project_root = Path(__file__).parent.parent
+            env_path = project_root / ".env"
+            load_dotenv(dotenv_path=env_path)
             self.api_key = os.getenv("DEEPSEEK_API_KEY")
         
         # 模拟数据 - 实际使用时替换为真实API调用
@@ -60,7 +64,9 @@ class DeepSeekIntegrator:
     def _call_api(self, prompt, max_tokens=1000, temperature=0.7):
         """调用DeepSeek API"""
         # 重新加载环境变量，确保使用最新的API密钥
-        load_dotenv()
+        project_root = Path(__file__).parent.parent
+        env_path = project_root / ".env"
+        load_dotenv(dotenv_path=env_path)
         current_api_key = os.getenv("DEEPSEEK_API_KEY")
         
         # 如果实例化时没有提供API密钥，使用当前环境变量中的值
@@ -293,4 +299,4 @@ if __name__ == "__main__":
     print("\n=== 测试传播预测 ===")
     initial_impact = "目前已有500名乘客在社交媒体上表达不满，相关话题讨论量达到1000条"
     propagation = integrator.predict_propagation(current_event, initial_impact)
-    print(propagation)
+    print(propagation)
\ No newline at end of file