diff --git a/i18n/en_US.json b/i18n/en_US.json
index 43a5083..8fe9525 100644
--- a/i18n/en_US.json
+++ b/i18n/en_US.json
@@ -117,5 +117,6 @@
     "password_no_match": "Password doesn't match the confirmation",
     "discard": "Discard",
     "close": "Close",
-    "close_other": "Close Other"
+    "close_other": "Close Other",
+    "clear": "Clear"
 }
\ No newline at end of file
diff --git a/i18n/ja_JP.json b/i18n/ja_JP.json
index 3c6318c..98a6321 100644
--- a/i18n/ja_JP.json
+++ b/i18n/ja_JP.json
@@ -117,5 +117,6 @@
     "password_no_match": "一貫性のないパスワード入力",
     "discard": "あきらめる",
     "close": "クローズ",
-    "close_other": "閉じるその他"
+    "close_other": "閉じるその他",
+    "clear": "空の"
 }
diff --git a/i18n/zh_CN.json b/i18n/zh_CN.json
index b0f23a0..9ca394c 100644
--- a/i18n/zh_CN.json
+++ b/i18n/zh_CN.json
@@ -117,5 +117,6 @@
     "password_no_match": "密码输入不一致",
     "discard": "放弃",
     "close": "关闭",
-    "close_other": "关闭其它"
+    "close_other": "关闭其它",
+    "clear": "清空"
 }
\ No newline at end of file
diff --git a/i18n/zh_TW.json b/i18n/zh_TW.json
index 0530a94..3ae3f29 100644
--- a/i18n/zh_TW.json
+++ b/i18n/zh_TW.json
@@ -117,5 +117,6 @@
     "password_no_match": "密碼輸入不一致",
     "discard": "放棄",
     "close": "關閉",
-    "close_other": "關閉其它"
+    "close_other": "關閉其它",
+    "clear": "清空"
 }
\ No newline at end of file
diff --git a/static/css/wide.css b/static/css/wide.css
index 8e6d154..1e79415 100644
--- a/static/css/wide.css
+++ b/static/css/wide.css
@@ -144,7 +144,6 @@
 /* start framework */
 .content {
     position: relative;
-    overflow: hidden;
 }
 /* end framework */
 
diff --git a/static/js/bottomGroup.js b/static/js/bottomGroup.js
index 7c43c9d..163b104 100644
--- a/static/js/bottomGroup.js
+++ b/static/js/bottomGroup.js
@@ -3,6 +3,31 @@ var bottomGroup = {
     searchTab: undefined,
     init: function () {
         this._initTabs();
+        this._initFrame();
+    },
+    _initFrame: function () {
+        $(".bottom-window-group .output").mousedown(function (event) {
+            event.stopPropagation();
+
+            if (event.button === 0) { // 左键
+                $(".bottom-window-group .frame").hide();
+                return false;
+            }
+
+            // event.button === 2 右键
+            var left = event.screenX;
+            if ($(".side").css("left") === "auto" || $(".side").css("left") === "0px") {
+                left = event.screenX - $(".side").width();
+            }
+            $(".bottom-window-group .frame").show().css({
+                "left": left + "px",
+                "top": (event.offsetY + 20) + "px"
+            });
+            return false;
+        });
+    },
+    clear: function () {
+        $('.bottom-window-group .output > div').text('');
     },
     clearOutput: function () {
         $('.bottom-window-group .output > div').text('');
diff --git a/static/js/editors.js b/static/js/editors.js
index fafff3a..585984b 100644
--- a/static/js/editors.js
+++ b/static/js/editors.js
@@ -14,6 +14,9 @@ var editors = {
                 removeData.push($(this).data("index"));
             }
         });
+        if (removeData.length === 0) {
+            return false;
+        }
         var firstIndex = removeData.splice(0, 1);
         $("#dialogCloseEditor").data("removeData", removeData);
         // 开始关闭
diff --git a/views/index.html b/views/index.html
index 8a8e6bd..2d02de8 100644
--- a/views/index.html
+++ b/views/index.html
@@ -175,8 +175,8 @@
                 <span title="{{.i18n.min}}" class="font-ico ico-min"></span>
                 <div class="frame">
                     <ul>
-                        <li onclick="editors.close()" title="{{.i18n.close}}">
-                            <span>{{.i18n.close}}</span>
+                        <li onclick="bottomGroup.clear()" title="{{.i18n.clear}}">
+                            <span>{{.i18n.clear}}</span>
                         </li>   
                     </ul>
                 </div>