重构了目录结构

main.py

@@ -13,6 +13,10 @@ import matplotlib.pyplot as plt
 import numpy as np
 import pandas as pd
 from datetime import datetime
+import sys
+import os
+sys.path.append(os.path.join(os.path.dirname(__file__), 'src'))
+
 from storage_optimization import optimize_storage_capacity, SystemParameters
 from excel_reader import read_excel_data, create_excel_template, analyze_excel_data