save project

diy1.py

@@ -10,4 +10,9 @@ while True:
         print("登陆成功") 
         break
     else:
-        print("输入错误")
\ No newline at end of file
+        print("输入错误")
+    if i !=username:
+        print("账号错误")
+    if a !=userpassword:
+        print("密码错误")
+    
\ No newline at end of file