diff --git a/diy2.py b/diy2.py
index 8647741..b163441 100644
--- a/diy2.py
+++ b/diy2.py
@@ -1,14 +1,20 @@
+i = 3
 username = "python"
 userpassword = "123456"
 while True:
-    name = input("username:")
-    password = input("password:")
-    if name == username and password == userpassword:
-        print("Succeed!")
-        break
-    if name != username:
-        print("worng username")
-        continue 
-    if userpassword != password:
-        print("worng password")
-print("welcome!")
\ No newline at end of file
+    if i > 0:
+        name = input("username:")
+        password = input("password:")
+        i-=1
+        if name == username and password == userpassword:
+            print("Succeed!")
+            break
+        elif name != username:
+            print("worng username")
+            continue 
+        else: 
+            print("worng password")
+    else: 
+        print("your account is locked")
+        exit()
+    print("welcome!")
\ No newline at end of file