save project

diy1.py

@@ -9,6 +9,7 @@ while True:
         break
         break
     if a!=username:
     if a!=username:
         print("输入的账号错误！请重新输入账号")
         print("输入的账号错误！请重新输入账号")
+        continue
     if b!=userpassword:
     if b!=userpassword:
         print("输入的密码错误！请重新输入密码")
         print("输入的密码错误！请重新输入密码")