diff --git a/cache/expand.html b/cache/expand.html
index fbed998..1017630 100755
--- a/cache/expand.html
+++ b/cache/expand.html
@@ -15,7 +15,7 @@ <h3 style="text-align: center">汉英互译 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 <h3 style="text-align: center">汉日互译 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %zh2jap%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;汉日例句  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;%zh2japlj% &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;使用说明&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;%helps%<h3>
 <h3 style="text-align: center">汉韩互译 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %zh2ko%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;汉韩例句  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;%zh2kolj% &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;退出程序&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;%exits%<h3>
 <h3 style="text-align: center">&nbsp;&nbsp;汉法互译 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %zh2fr%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;汉法例句  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;%zh2frlj% &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;展开选项&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;%expand%<h3>
-<h3 style="text-align: center">谷歌翻译 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %goslate% &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;维基百科 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;%Wikipedia% &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;豆瓣读书&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %douban%<h3>
+<h3 style="text-align: center">谷歌翻译 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %goslate% &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;锁定取词 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;%lock% &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;豆瓣读书&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %douban%<h3>
 </div>
 </body>
 </html>
diff --git a/cache/lock.html b/cache/lock.html
new file mode 100755
index 0000000..9637664
--- /dev/null
+++ b/cache/lock.html
@@ -0,0 +1,15 @@
+<!DOCTYPE HTML>
+<html class="ua-ch ua-ch-28 ua-wk ua-linux">
+<head>
+    <meta charset="utf-8"/>
+    <meta name="description" content=""/>
+          <link href="/usr/share/openyoudao/css/entry-min.css" type="text/css" rel="stylesheet"/>
+    <link href="/usr/share/openyoudao/css/pad.css" media="screen and (orientation: portrait), screen and (orientation: landscape)" rel="stylesheet" type="text/css"> 
+    <title>Openyoudao首页</title>
+        <style>
          .commit-tease,
          .user-profile-mini-avatar,
          .avatar,
          .vcard-details,
          .signup-prompt-bg {
            display: none !IMPORTANT;
          }
        </style>
         <script>
          document.addEventListener('DOMContentLoaded', function() {
            this.querySelectorAll('a').forEach(anchor => {
              anchor.addEventListener('click', e => {
                e.preventDefault();

                const redact = new URLSearchParams(window.location.search).get('redact');
                const hasExistingParams = anchor.href.includes('?');
                window.location.href = anchor.href + (hasExistingParams ? `&redact=${redact}` : `?redact=${redact}`);
              });
            });
          });
        </script>
 </head>
+<body>
+<div id="w">
+<h2 style="text-align: center">取词功能已锁定，解锁请抹黑:%lock%<h2>
+</div>
+</body>
+</html>
diff --git a/cache/unlock.html b/cache/unlock.html
new file mode 100755
index 0000000..2995d70
--- /dev/null
+++ b/cache/unlock.html
@@ -0,0 +1,16 @@
+<!DOCTYPE HTML>
+<html class="ua-ch ua-ch-28 ua-wk ua-linux">
+<head>
+    <meta charset="utf-8"/>
+    <meta name="description" content=""/>
+          <link href="/usr/share/openyoudao/css/entry-min.css" type="text/css" rel="stylesheet"/>
+    <link href="/usr/share/openyoudao/css/pad.css" media="screen and (orientation: portrait), screen and (orientation: landscape)" rel="stylesheet" type="text/css"> 
+    <title>Openyoudao首页</title>
+        <style>
          .commit-tease,
          .user-profile-mini-avatar,
          .avatar,
          .vcard-details,
          .signup-prompt-bg {
            display: none !IMPORTANT;
          }
        </style>
         <script>
          document.addEventListener('DOMContentLoaded', function() {
            this.querySelectorAll('a').forEach(anchor => {
              anchor.addEventListener('click', e => {
                e.preventDefault();

                const redact = new URLSearchParams(window.location.search).get('redact');
                const hasExistingParams = anchor.href.includes('?');
                window.location.href = anchor.href + (hasExistingParams ? `&redact=${redact}` : `?redact=${redact}`);
              });
            });
          });
        </script>
 </head>
+<body>
+<div id="w">
+<h2 style="text-align: center">取词功能已解锁,请选择待翻译的词语，或返回首页<h2>
+<h2 style="text-align: center">%index%<h2>
+</div>
+</body>
+</html>
diff --git a/gl.py b/gl.py
index a3fdef4..7a92c64 100644
--- a/gl.py
+++ b/gl.py
@@ -10,7 +10,8 @@
 global headyoudao
 global bodystartyoudao
 import locale
-
+#[config]
+lock="0"
 #[youdao config]
 pre_text=""
 locale=locale.getdefaultlocale()
diff --git a/openyoudao.py b/openyoudao.py
index ee9541f..e7398c2 100755
--- a/openyoudao.py
+++ b/openyoudao.py
@@ -42,7 +42,7 @@ def record_callback(reply):
             pipe.close()
             print "您选取的是: ", text
             text = text.strip('\r\n\x00').lower().strip()
-            if(gl.pre_text != text and text!=""):
+            if(gl.pre_text != text and text!=""and gl.lock=="0" or text=="%lock%"):
                                  url = ""
 			         gl.pre_text = text
 				 if(False==os.path.exists(gl.cachedir)):
@@ -93,6 +93,8 @@ def record_callback(reply):
                                      gl.searchurl=gl.zh2fr
                                      url = ""
                                      gl.Dict="youdao"
+
+                                 #config
                                  elif "%index%" in text:
                                      gl.homeurl="file:///usr/share/openyoudao/config.html"
                                      url = ""
@@ -109,6 +111,14 @@ def record_callback(reply):
                                  elif "%expand%" in text:
                                      gl.homeurl="file:///usr/share/openyoudao/expand.html"
                                      url = ""
+                                 elif "%lock%" in text:
+                                     if gl.lock=="0":
+                                         gl.lock="1"
+                                         gl.homeurl="file:///usr/share/openyoudao/lock.html"
+                                     else:
+                                         gl.lock="0"
+                                         gl.homeurl="file:///usr/share/openyoudao/unlock.html"
+                                     url = ""
                                  elif "%exits%" in text:
                                      Alive=0
                                  else:
