diff --git a/README.md b/README.md
index 03c6e3a..ed21284 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,9 @@
 # HonorHours
 
-实现自动由维修排班表转化为荣誉小时数登记表格
\ No newline at end of file
+## 功能
+实现自动由维修排班表转化为荣誉小时数登记表格
+
+## 使用方法
+按照值班排班表格示例与身份信息表格示例填写表格。
+
+将值班排班表格与身份信息表格与程序放在同一个目录下，运行程序，按照指示操作即可。
\ No newline at end of file
diff --git a/main.py b/main.py
index f76453d..1ae213b 100644
--- a/main.py
+++ b/main.py
@@ -1,10 +1,23 @@
 import pandas as pd
 import time, datetime
 from math import floor
+import os
 
 # Read & Process ID table
-identities_path = r'./identities.xls'
+items = os.listdir(os.path.abspath('.'))
+print("在当前目录共有以下文件：")
+file_index = 0
+for item in items:
+    if item != "main.py" and item != "main.exe":
+        file_index += 1
+        print(f"{file_index} - {item}")
+id_index = int(input("请选择身份证列表（输入数字后回车）"))
+duty_index = int(input("请选择值班排班表（输入数字后回车）"))
 
+identities_path = r'./' + items[id_index - 1]
+duty_path = r'./' + items[duty_index - 1]
+
+print("正在读取身份信息...")
 identities = pd.read_excel(identities_path, sheet_name= "Sheet1")
 
 id_dict = {}
@@ -14,9 +27,10 @@ for name in identities["姓名"]:
     id_dict[name] = identities["身份证号码"][index]
     index += 1
 
-# Read & Calculate Honor Hours
-duty_path = r'./duty.xlsx'
+print("读取完毕！")
 
+# Read & Calculate Honor Hours
+print("正在读取值班信息...")
 duty = pd.read_excel(duty_path, sheet_name= "Sheet1")
 
 hours_dict = {}
@@ -46,7 +60,10 @@ for member in hours_dict.keys():
     hour /= 2
     hours_dict[member] = hour
 
+print("读取完毕！")
+
 # Generate Honor Hour table
+print("正在生成信息填报表格...")
 hour_path = r'./hour.xlsx'
 
 id_list = []
@@ -57,4 +74,6 @@ df = pd.DataFrame({"姓名": hours_dict.keys(), "身份证号码": id_list, "荣
 df = df.set_index("姓名")
 df.to_excel(hour_path)
 
+input("生成完毕！在当前文件夹下，文件名为 hour.xlsx，按回车键退出...")
+
 # TODO: Write to Document
diff --git a/值班排班表示例.xlsx b/值班排班表示例.xlsx
new file mode 100644
index 0000000..4c727e6
Binary files /dev/null and b/值班排班表示例.xlsx differ
diff --git a/身份信息表示例.xlsx b/身份信息表示例.xlsx
new file mode 100644
index 0000000..94e2588
Binary files /dev/null and b/身份信息表示例.xlsx differ