diff --git a/install/install.py b/install/install.py
index e721a3991..9bdfe976b 100755
--- a/install/install.py
+++ b/install/install.py
@@ -85,12 +85,12 @@ class PreSetup(object):
 
     @property
     def _is_redhat(self):
-        if self.dist == "centos" or self.dist == "redhat" or self.dist == "fedora" or self.dist == "amazon linux ami":
+        if self.dist.startswith("centos") or self.dist.startswith("red") or self.dist == "fedora" or self.dist == "amazon linux ami":
             return True
 
     @property
     def _is_centos7(self):
-        if self.dist == "centos" and self.version.startswith("7"):
+        if self.dist.startswith("centos") and self.version.startswith("7"):
             return True
 
     @property
diff --git a/jumpserver/views.py b/jumpserver/views.py
index 70476d1a1..fae546a28 100644
--- a/jumpserver/views.py
+++ b/jumpserver/views.py
@@ -326,11 +326,10 @@ def download(request):
         FileLog(user=request.user.username, host=' '.join([asset.hostname for asset in asset_select]),
                 filename=file_path, type='download', remote_ip=remote_ip, result=runner.results).save()
         logger.debug(runner.results)
-        os.chdir('/tmp')
         tmp_dir_name = os.path.basename(upload_dir)
-        tar_file = '%s.tar.gz' % upload_dir
-        bash('tar czf %s %s' % (tar_file, tmp_dir_name))
-        f = open(tar_file)
+        tar_file = '%s.tar.gz' % tmp_dir_name
+        bash('cd /tmp && tar czf %s %s' % (tar_file, tmp_dir_name))
+        f = open('/tmp/%s' % tar_file)
         data = f.read()
         f.close()
         response = HttpResponse(data, content_type='application/octet-stream')
diff --git a/static/js/webterminal.js b/static/js/webterminal.js
index d21500499..b8fb72d15 100644
--- a/static/js/webterminal.js
+++ b/static/js/webterminal.js
@@ -1,4 +1,3 @@
-
 /**
  * Created by liuzheng on 3/3/16.
  */
@@ -63,8 +62,14 @@ function openTerminal(options) {
         rowHeight = 35;
         colWidth = 100
     }
-    if(rowHeight){}else{rowHeight=35};
-    if(colWidth){}else{colWidth=100};
+    if (rowHeight) {
+    } else {
+        rowHeight = 35
+    }
+    if (colWidth) {
+    } else {
+        colWidth = 100
+    }
 
     var term = new Terminal({
         rows: rowHeight,
@@ -139,6 +144,11 @@ $(document).ready(function () {
         term_client.term.resize(col, row);
         term_client.client.send({'resize': {'rows': row, 'cols': col}});
         $('#ssh').show();
+    });
+    $(".terminal").mouseleave(function () {
+        $(".termChangBar").slideDown();
+    });
+    $(".terminal").mouseenter(function () {
+        $(".termChangBar").slideUp();
     })
-
 });
\ No newline at end of file
diff --git a/templates/jasset/asset_list.html b/templates/jasset/asset_list.html
index 1c063d8d9..898703237 100644
--- a/templates/jasset/asset_list.html
+++ b/templates/jasset/asset_list.html
@@ -245,7 +245,7 @@
                         });
                         window.open(new_url+data, '_blank', 'toolbar=yes, location=yes, scrollbars=yes, resizable=yes, copyhistory=yes, width=628, height=400')
                         */
-                        window.open(new_url+data, '', 'width=628px, height=380px');
+                         window.open(new_url+data, "_blank");
                     }  else if (dataArray.length == 1 && data != 'error'){
                        /*layer.open({
                             type: 2,
@@ -256,8 +256,7 @@
                             content: new_url+data
                         });
                         */
-                        window.open(new_url+data, '_blank', 'toolbar=yes, location=yes, copyhistory=yes, scrollbars=yes, width=628, height=410');
-
+                        window.open(new_url+data, '_blank');
                     }
                     else {
                         aUrl = '';
@@ -293,7 +292,7 @@
             content: new_url
             });
             */
-            window.open(new_url, '_blank', 'toolbar=yes, location=yes, copyhistory=yes, scrollbars=yes, width=628, height=380')
+            window.open(new_url, '_blank')
 
         } else {
             /*
@@ -306,7 +305,7 @@
             content: new_url
             });
             */
-            window.open(new_url, '_blank', 'toolbar=yes, location=yes, copyhistory=yes, scrollbars=yes, width=628, height=410');
+            window.open(new_url, '_blank');
         }
 
         return false
diff --git a/templates/jlog/web_terminal.html b/templates/jlog/web_terminal.html
index 44a58ba50..9b088d57c 100644
--- a/templates/jlog/web_terminal.html
+++ b/templates/jlog/web_terminal.html
@@ -2,7 +2,7 @@
 <html>
 <head>
     <meta charset="utf-8">
-    <title>Jumpserver Web Terminal: {{ hostname }}</title>
+    <title>{{ hostname }}</title>
 
     <style>
         body {