save project

a.py

@@ -7,6 +7,8 @@ while True:
     if a==c and b==d:
         print("正常")
         break
-    else:      
-        print("错误")         
+    if a!=c:
+        print("名字错误") 
+    if b!=d:           
+        print("密码错误")     
 print("欢迎登录")     
\ No newline at end of file