diff --git a/ReadMe.md b/ReadMe.md
new file mode 100644
index 0000000..041ef0c
--- /dev/null
+++ b/ReadMe.md
@@ -0,0 +1,26 @@
+## 功能列表
+
+- 根据上一周的周报，自动生成这周的周报。
+  > 替换对应的日期，不会修改工作内容
+  >
+- 若已经存在同名文档，则不执行
+
+## 待添加功能
+
+* [ ]
+
+## 运行程序
+
+```powershell
+python gen_word.py
+```
+
+成功运行的log
+
+```powshell
+pre file name: 2023WW32周工作报告_冯博涵.doc; 
+new file name: 2023WW33周工作报告_冯博涵.doc;
+已复制         1 个文件。
+pre_str: 8.7~8.11
+str: 8.14~8.18
+```
diff --git a/gen_word.py b/gen_word.py
index 3481161..e3efe57 100644
--- a/gen_word.py
+++ b/gen_word.py
@@ -7,6 +7,7 @@ from docx.shared import Inches
 import win32com
 from win32com.client import Dispatch, constants
 import os
+import sys
 
 class WEEK_REPORT:
     file_name = ""
@@ -20,7 +21,11 @@ class WEEK_REPORT:
     def get_name(self):
         self.file_name = "{}WW{}周工作报告_冯博涵.doc".format(time.strftime('%Y'), time.strftime('%W'))
         self.pre_file_name = "{}WW{}周工作报告_冯博涵.doc".format(time.strftime('%Y'), str(int(time.strftime('%W'))-1))
-        print("pre file name: {}; \nnew file name: {};".format(self.pre_file_name, self.file_name))
+        print("pre file name: {}; \nnew file name: {};".format(self.pre_file_name, self.file_name))        
+        if(os.path.isfile(self.file_name)==True):
+            print("{} is already exist.".format(self.file_name))
+            sys.exit(1)
+
     def copy_file(self):
         os.system('copy {} {}'.format(self.pre_file_name, self.file_name))
     def edit_file(self):