diff --git a/diy.py b/diy.py
index acda7a8..bc57bcc 100644
--- a/diy.py
+++ b/diy.py
@@ -1,15 +1,22 @@
 # 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=''
 #file1=open("C:\\Users\\Administrator\\Desktop\\test.txt",'w',encoding='utf-8')
 #file1.write('小兰：12本\n')
 #file1.write('小丽：11本\n')
 #file1.write('李文：9本\n')
 #file1.write('张伟：16本\n')
 #file1.close()
-
-with open("C:\\Users\\Administrator\\Desktop\\test.txt",'a',encoding='utf-8') as file1:
-    file1.write('小强：12本\n')
-    file1.write('李明：15本\n')
-for i in file1:
-    if "小强：12本" in i:
-        print("数据在里面")
+#with open("C:\\Users\\Administrator\\Desktop\\test.txt",'W',encoding='utf-8') as file1:
+#   file1.write('小强：12本\n')
+#   file1.write('李明：15本\n')
+with open("C:\\Users\\Administrator\\Desktop\\test.txt",'r',encoding='utf-8') as file1:
+    for data in file1:
+        if "小强：12本" in data:
+            data.replace('小强12本','小强：11本')
+        if "小兰：12本" in data:
+            data.replace('小兰:12本','小强：14本') 
+        new_data+=data
+with open("C:\\Users\\Administrator\\Desktop\\test.txt",'w',encoding='utf-8')as file1:
+    file1.write(new_data)
+with open("C:\\Users\\Administrator\\Desktop\\test.txt",'r',encoding='utf-8')as file1:
+    file1.read(new_data)