diff --git a/diy.py b/diy.py
index e7335c7..4c7e404 100644
--- a/diy.py
+++ b/diy.py
@@ -1,9 +1,12 @@
 # 写入同学们的捐赠明细:'小兰:12本'、'小丽:11本'、'李文:9本'、'张伟:16本'
 
-#
+new_data=''
 with open(r'C:\Users\Makcoo-Bellcode\Desktop\book.txt','r',encoding='utf-8')as file:
     for data in file: 
         if '小兰:12本' in data:
-             print('在')
+            data=data.replace('小兰:12本','小兰:14本')
         if '小强:10' in data:
-             print('在')
\ No newline at end of file
+            data=data.replace('小强:10','小强:11')
+        new_data+=data
+    with open(r'C:\Users\Makcoo-Bellcode\Desktop\book.txt','w',encoding='utf-8')as file:
+        data.write(new_data)