save project

diy2.py

@@ -8,6 +8,7 @@ while True:
         break
         break
     if username!=name:
     if username!=name:
         print('账号错误')
         print('账号错误')
+        continue
     if password!=userpassword:
     if password!=userpassword:
         print('密码错误')
         print('密码错误')
     print("用户名和密码错误!请重新输入")
     print("用户名和密码错误!请重新输入")