save project

diy2.py

@@ -8,6 +8,7 @@ while True:
         break
         break
     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")
 if name !=username:
 if name !=username:
-    print("！")
+    print("用户名错误，请重新输入!")
+    continue
 if password!=userpassword:
 if password!=userpassword:
-print("!")
+    print("!")
\ No newline at end of file