save project

diy2.py

@@ -8,6 +8,7 @@ while True:
         break
         break
     if name != username:
     if name != username:
         print("您的账号不存在")
         print("您的账号不存在")
+        continue
     if password != userpassword:
     if password != userpassword:
         print("您的密码输入错误")
         print("您的密码输入错误")