diff --git a/rrd/__init__.py b/rrd/__init__.py
index 149e20f..8f16af0 100644
--- a/rrd/__init__.py
+++ b/rrd/__init__.py
@@ -41,6 +41,9 @@ def get_locale():
 def get_timezone():
     return app.config.get("BABEL_DEFAULT_TIMEZONE")
 
+def start():
+    app.run(host=app.config.get("PORTAL_HOST", "0.0.0.0"), port=app.config.get("PORTAL_PORT", 8081), debug=False)
+
 from view import index
 from view.auth import auth
 from view.user import user
diff --git a/rrd/config.py b/rrd/config.py
index a46a077..b567077 100755
--- a/rrd/config.py
+++ b/rrd/config.py
@@ -20,6 +20,8 @@
 SECRET_KEY = os.environ.get("SECRET_KEY","secret-key")
 PERMANENT_SESSION_LIFETIME = os.environ.get("PERMANENT_SESSION_LIFETIME",3600 * 24 * 30)
 SITE_COOKIE = os.environ.get("SITE_COOKIE","open-falcon-ck")
+PORTAL_HOST = os.environ.get("PORTAL_HOST","127.0.0.1")
+PORTAL_PORT = os.environ.get("PORTAL_PORT",8081)
 
 # Falcon+ API
 API_ADDR = os.environ.get("API_ADDR","http://127.0.0.1:18080/api/v1")
diff --git a/rrd/model/portal/bean.py b/rrd/model/portal/bean.py
index 2dfa339..46153ec 100644
--- a/rrd/model/portal/bean.py
+++ b/rrd/model/portal/bean.py
@@ -103,7 +103,7 @@ def select(cls, cols=None, where=None, params=None, order=None, limit=None, page
     @classmethod
     def select_vs(cls, where=None, params=None, order=None, limit=None, page=None, offset=None):
         rows = cls.select(where=where, params=params, order=order, limit=limit, page=page, offset=offset)
-        return [cls(*row) for row in rows]
+        return [cls(*row) for row in rows] if rows is not None else None
 
     @classmethod
     def read(cls, where=None, params=None):
@@ -123,7 +123,7 @@ def get(cls, id_val):
     @classmethod
     def column(cls, col=None, where=None, params=None, order=None, limit=None, page=None, offset=None):
         rows = cls.select(col, where, params, order, limit, page, offset)
-        return [row[0] for row in rows]
+        return [row[0] for row in rows] if rows is not None else None
 
     @classmethod
     def total(cls, where=None, params=None):
@@ -134,7 +134,7 @@ def total(cls, where=None, params=None):
 
         sql += ' WHERE ' + where
         ret = cls._db.query_column(sql, params)
-        return ret[0]
+        return ret[0] if ret and len(ret) > 0 else None
 
     @classmethod
     def exists(cls, where=None, params=None):
diff --git a/rrd/static/js/portal.js b/rrd/static/js/portal.js
index 034be17..c939f7d 100644
--- a/rrd/static/js/portal.js
+++ b/rrd/static/js/portal.js
@@ -168,6 +168,10 @@ function batch_add_host() {
     }, "json");
 }
 
+function goto_url(url) {
+    window.location = url;
+}
+
 function host_unbind_group(host_id, group_id) {
     $.getJSON('/portal/host/unbind', {'host_id': host_id, 'group_id': group_id}, function (json) {
         handle_quietly(json, function () {
diff --git a/rrd/store.py b/rrd/store.py
index dd69824..1038cbc 100644
--- a/rrd/store.py
+++ b/rrd/store.py
@@ -55,8 +55,8 @@ def __init__(self, cfg):
         self.config = cfg
         self.conn = None
 
-    def get_conn(self):
-        if self.conn is None:
+    def get_conn(self, reset=False):
+        if self.conn is None or reset:
             self.conn = connect_db(self.config)
         return self.conn
 
@@ -67,9 +67,10 @@ def execute(self, *a, **kw):
             cursor.execute(*a, **kw)
         except (AttributeError, MySQLdb.OperationalError):
             self.conn and self.conn.close()
-            self.conn = None
-            cursor = self.get_conn().cursor()
-            cursor.execute(*a, **kw)
+            self.conn = self.get_conn(True)
+            if self.conn:
+                cursor = self.conn.cursor()
+                cursor.execute(*a, **kw)
         return cursor
 
     # insert one record in a transaction
@@ -78,7 +79,7 @@ def insert(self, *a, **kw):
         cursor = None
         try:
             cursor = self.execute(*a, **kw)
-            row_id = cursor.lastrowid
+            row_id = cursor.lastrowid if cursor else None
             self.commit()
             return row_id
         except MySQLdb.IntegrityError:
@@ -104,7 +105,7 @@ def query_all(self, *a, **kw):
         cursor = None
         try:
             cursor = self.execute(*a, **kw)
-            return cursor.fetchall()
+            return cursor.fetchall() if cursor else None
         finally:
             cursor and cursor.close()
 
diff --git a/rrd/templates/portal/alarm/case.html b/rrd/templates/portal/alarm/case.html
index 9118662..9e785f5 100644
--- a/rrd/templates/portal/alarm/case.html
+++ b/rrd/templates/portal/alarm/case.html
@@ -9,47 +9,51 @@ <h4 class="panel-title">{{_('alerting cases')}}
         </div>
         <div class="panel-body">
             <div class="alarms">
-                {%for case in cases%}
-                <div class="alarm">
-                    <input type="checkbox" alarm="{{case.id}}">
-                    {{case.status}} P{{case.priority}}
-                    [第<span class="orange">#{{case.current_step}}</span>次/最大{{case.max_step}}次]
-                    <span class="orange">{{case.timestamp|time_duration}}</span>
-                    <span class="gray">[</span>
-                    <a href="/portal/template/view/{{case.template_id}}" target="_blank">template</a>
+                {% if cases is not none %}
+                    {%for case in cases%}
+                    <div class="alarm">
+                        <input type="checkbox" alarm="{{case.id}}">
+                        {{case.status}} P{{case.priority}}
+                        [第<span class="orange">#{{case.current_step}}</span>次/最大{{case.max_step}}次]
+                        <span class="orange">{{case.timestamp|time_duration}}</span>
+                        <span class="gray">[</span>
+                        <a href="/portal/template/view/{{case.template_id}}" target="_blank">template</a>
 
-                    {%if case.strategy_id>0%}
-                    <span class="cut-line">¦</span>
-                    <a href="/portal/strategy/{{case.strategy_id}}" target="_blank">strategy</a>
-                    {%endif%}
+                        {%if case.strategy_id>0%}
+                        <span class="cut-line">¦</span>
+                        <a href="/portal/strategy/{{case.strategy_id}}" target="_blank">strategy</a>
+                        {%endif%}
 
-                    {%if case.expression_id>0%}
-                    <span class="cut-line">¦</span>
-                    <a href="/portal/expression/view/{{case.expression_id}}" target="_blank">expression</a>
-                    {%endif%}
+                        {%if case.expression_id>0%}
+                        <span class="cut-line">¦</span>
+                        <a href="/portal/expression/view/{{case.expression_id}}" target="_blank">expression</a>
+                        {%endif%}
 
-                    <span class="cut-line">¦</span>
-                    <a href="javascript:alarm_case_rm('{{case.id}}');">delete</a>
-                    <span class="cut-line">¦</span>
-                    <a href="/portal/alarm-dash/case/event?case_id={{case.id}}">{{_('event list')}}</a>
-                    <span class="gray">]</span>
-                    </br>
+                        <span class="cut-line">¦</span>
+                        <a href="javascript:alarm_case_rm('{{case.id}}');">delete</a>
+                        <span class="cut-line">¦</span>
+                        <a href="/portal/alarm-dash/case/event?case_id={{case.id}}">{{_('event list')}}</a>
+                        <span class="gray">]</span>
+                        </br>
 
-                    <span style="padding-left:17px;"> {{case.endpoint}} 
-                        <span class="cut-line">¦</span> 
-                        {{case.metric}}
-                        <span class="cut-line">¦</span> 
-                        {{case.func}} 
-                        <span class="cut-line">¦</span> 
-                        {{case.cond}}</span>
-                        <span class="cut-line">¦</span> 
-                        <span class="gray">note: {{case.note}}</span>
-                </div>
-                <hr>
-                {%endfor%}
+                        <span style="padding-left:17px;"> {{case.endpoint}} 
+                            <span class="cut-line">¦</span> 
+                            {{case.metric}}
+                            <span class="cut-line">¦</span> 
+                            {{case.func}} 
+                            <span class="cut-line">¦</span> 
+                            {{case.cond}}</span>
+                            <span class="cut-line">¦</span> 
+                            <span class="gray">note: {{case.note}}</span>
+                    </div>
+                    <hr>
+                    {%endfor%}
                 <a href="javascript:alarm_case_all_select();">{{_('select all')}}</a>/
                 <a href="javascript:alarm_case_reverse_select();">{{_('reverse select')}}</a>
                 <button class="btn btn-warning btn-sm" onclick="alarm_case_batch_rm();">{{_('batch delete')}}</button>
+                {% else %}
+                    list fail, view logs for more.
+                {% endif %}
             </div>
         </div>
 
diff --git a/rrd/templates/portal/expression/list.html b/rrd/templates/portal/expression/list.html
index 1f64e0e..4fb6c35 100644
--- a/rrd/templates/portal/expression/list.html
+++ b/rrd/templates/portal/expression/list.html
@@ -20,41 +20,46 @@
     </div>
 
     <div>
-        {% set left = '{' %}
-        {% set right = '}' %}
-        {% for v in data.vs %}
+        {% if data.vs is not none %}
+            {% set left = '{' %}
+            {% set right = '}' %}
+            {% for v in data.vs %}
 
-            <hr>
+                <hr>
 
-            <div class="">{{ v.expression }}</div>
-            <div class="mt10">
-                <span class="gray">if {{ v.func }}{{ v.op }}{{ v.right_value }}
-                    {{ left }}{{ v.action.html()|safe }}{{ right }}</span>
+                <div class="">{{ v.expression }}</div>
+                <div class="mt10">
+                    <span class="gray">if {{ v.func }}{{ v.op }}{{ v.right_value }}
+                        {{ left }}{{ v.action.html()|safe }}{{ right }}</span>
 
-                {% if v.writable(g.user) %}
-                    <div class="pull-right">
-                        <button onclick="pause_expression('{{v.id}}')" class="btn btn-default">
-                            <span id="i-{{v.id}}" class="glyphicon glyphicon-{% if v.pause %}play{% else %}pause{% endif %} orange"></span>
-                        </button>
-                        <a href="{{ url_for('expression_add_get', id=v.id) }}" class="btn btn-default"
-                           style="text-decoration: none;">
-                            <span class="glyphicon glyphicon-edit orange"></span>
-                        </a>
-                        <button onclick="delete_expression('{{ v.id }}');" class="btn btn-default">
-                            <span class="glyphicon glyphicon-trash orange"></span>
-                        </button>
-                    </div>
-                {% endif %}
-            </div>
-            <div class="mt10 gray">
-                note: {{ v.note }} (Max:{{ v.max_step }}, P{{ v.priority }})
-                by {{ v.create_user }}
-            </div>
+                    {% if v.writable(g.user) %}
+                        <div class="pull-right">
+                            <button onclick="pause_expression('{{v.id}}')" class="btn btn-default">
+                                <span id="i-{{v.id}}" class="glyphicon glyphicon-{% if v.pause %}play{% else %}pause{% endif %} orange"></span>
+                            </button>
+                            <a href="{{ url_for('expression_add_get', id=v.id) }}" class="btn btn-default"
+                               style="text-decoration: none;">
+                                <span class="glyphicon glyphicon-edit orange"></span>
+                            </a>
+                            <button onclick="delete_expression('{{ v.id }}');" class="btn btn-default">
+                                <span class="glyphicon glyphicon-trash orange"></span>
+                            </button>
+                        </div>
+                    {% endif %}
+                </div>
+                <div class="mt10 gray">
+                    note: {{ v.note }} (Max:{{ v.max_step }}, P{{ v.priority }})
+                    by {{ v.create_user }}
+                </div>
 
+            {% else %}
+                <hr>
+                no records
+            {% endfor %}
         {% else %}
             <hr>
-            no records
-        {% endfor %}
+            list fail, view logs for more.
+        {% endif %}
     </div>
 
     {% import "portal/blocks.html" as blocks %}
diff --git a/rrd/templates/portal/group/index.html b/rrd/templates/portal/group/index.html
index 0ff1e9b..cb76747 100644
--- a/rrd/templates/portal/group/index.html
+++ b/rrd/templates/portal/group/index.html
@@ -31,33 +31,39 @@
         </tr>
         </thead>
         <tbody>
-        {% for v in data.vs %}
-            <tr>
-                <td>{{ v.grp_name }}</td>
-                <td>{{ v.create_user }}</td>
-                <td>
-                    <a href="{{ url_for('group_templates_get', grp_id=v.id) }}">templates</a>
-                    <span class="cut-line">¦</span>
-                    <a href="{{ url_for('group_hosts_list', group_id=v.id) }}">hosts</a>
-                    <span class="cut-line">¦</span>
-                    <a href="{{ url_for('plugin_list_get', group_id=v.id) }}">plugins</a>
-                    <span class="cut-line">¦</span>
-                    <a href="{{ url_for('cluster_list_get', group_id=v.id) }}">aggregator</a>
-                    {% if v.writable(g.user) %}
+        {% if data.vs is not none %}
+            {% for v in data.vs %}
+                <tr>
+                    <td>{{ v.grp_name }}</td>
+                    <td>{{ v.create_user }}</td>
+                    <td>
+                        <a href="{{ url_for('group_templates_get', grp_id=v.id) }}">templates</a>
                         <span class="cut-line">¦</span>
-                        <a href="javascript:edit_hostgroup('{{ v.id }}', '{{ v.grp_name }}');" style="text-decoration: none;">
-                            <span class="glyphicon glyphicon-edit orange"></span>
-                        </a>
+                        <a href="{{ url_for('group_hosts_list', group_id=v.id) }}">hosts</a>
                         <span class="cut-line">¦</span>
-                        <a href="javascript:delete_hostgroup('{{ v.id }}');" style="text-decoration: none;">
-                            <span class="glyphicon glyphicon-trash orange"></span>
-                        </a>
-                    {% endif %}
-                </td>
-            </tr>
+                        <a href="{{ url_for('plugin_list_get', group_id=v.id) }}">plugins</a>
+                        <span class="cut-line">¦</span>
+                        <a href="{{ url_for('cluster_list_get', group_id=v.id) }}">aggregator</a>
+                        {% if v.writable(g.user) %}
+                            <span class="cut-line">¦</span>
+                            <a href="javascript:edit_hostgroup('{{ v.id }}', '{{ v.grp_name }}');" style="text-decoration: none;">
+                                <span class="glyphicon glyphicon-edit orange"></span>
+                            </a>
+                            <span class="cut-line">¦</span>
+                            <a href="javascript:delete_hostgroup('{{ v.id }}');" style="text-decoration: none;">
+                                <span class="glyphicon glyphicon-trash orange"></span>
+                            </a>
+                        {% endif %}
+                    </td>
+                </tr>
+            {% else %}
+                <tr><td colspan="3">no records</td></tr>
+            {% endfor %}
         {% else %}
-            <tr><td colspan="3">no records</td></tr>
-        {% endfor %}
+            <tr>
+                <td colspan="4">list fail, view logs for more.</td>
+            </tr>
+        {% endif %}
         </tbody>
     </table>
     {% import "portal/blocks.html" as blocks %}
diff --git a/rrd/templates/portal/host/add.html b/rrd/templates/portal/host/add.html
index 5e56f43..ee51497 100644
--- a/rrd/templates/portal/host/add.html
+++ b/rrd/templates/portal/host/add.html
@@ -23,7 +23,7 @@
             <span class="glyphicon glyphicon-plus"></span>
             Add Host
         </button>
-        <button class="btn btn-default" onclick="history.go(-1);">
+        <button class="btn btn-default" onclick="goto_url('{{ url_for('group_hosts_list', group_id=group.id) }}');">
             <span class="glyphicon glyphicon-arrow-left"></span>
             Back
         </button>
diff --git a/rrd/templates/portal/nodata/list.html b/rrd/templates/portal/nodata/list.html
index dd53eaf..f70db60 100644
--- a/rrd/templates/portal/nodata/list.html
+++ b/rrd/templates/portal/nodata/list.html
@@ -38,30 +38,35 @@
 
     </div>
     <div>
-        {% for v in data.vs %}
-            <hr/>
-            <div>{{ v.name }}; {{ v.obj_type }} [{{ v.obj }}]/{{ v.metric }}/{{ v.tags }};&nbsptype={{ v.dstype }},step={{ v.step }}</div>
-            <div class="mt10 gray">
-                <span class="gray">默认值: {{ v.mock }}</span> 
-                {% if v.writable(g.user) %}
-                    <div class="pull-right">
-                        <a href="{{ url_for('nodata_add_get', id=v.id) }}" class="btn btn-default"
-                           style="text-decoration: none;">
-                            <span class="glyphicon glyphicon-edit orange"></span>
-                        </a>
-                        <button onclick="delete_nodata('{{ v.id }}');" class="btn btn-default">
-                            <span class="glyphicon glyphicon-trash orange"></span>
-                        </button>
-                    </div>
-                {% endif %}
-            </div>
-            <div class="mt10 gray">
-                <p> 创建人: {{ v.creator }}, 最后更改时间: {{ v.t_modify }}</p>
-            </div>
+        {% if data.vs is not none %}
+            {% for v in data.vs %}
+                <hr/>
+                <div>{{ v.name }}; {{ v.obj_type }} [{{ v.obj }}]/{{ v.metric }}/{{ v.tags }};&nbsptype={{ v.dstype }},step={{ v.step }}</div>
+                <div class="mt10 gray">
+                    <span class="gray">默认值: {{ v.mock }}</span> 
+                    {% if v.writable(g.user) %}
+                        <div class="pull-right">
+                            <a href="{{ url_for('nodata_add_get', id=v.id) }}" class="btn btn-default"
+                               style="text-decoration: none;">
+                                <span class="glyphicon glyphicon-edit orange"></span>
+                            </a>
+                            <button onclick="delete_nodata('{{ v.id }}');" class="btn btn-default">
+                                <span class="glyphicon glyphicon-trash orange"></span>
+                            </button>
+                        </div>
+                    {% endif %}
+                </div>
+                <div class="mt10 gray">
+                    <p> 创建人: {{ v.creator }}, 最后更改时间: {{ v.t_modify }}</p>
+                </div>
+            {% else %}
+                <hr/>
+                no records
+            {% endfor %}
         {% else %}
             <hr/>
-            no records
-        {% endfor %}
+            list fail, view logs for more.
+        {% endif %}
     </div>
 
     {% import "portal/blocks.html" as blocks %}
diff --git a/rrd/templates/portal/template/list.html b/rrd/templates/portal/template/list.html
index 49f67dd..886c8cf 100644
--- a/rrd/templates/portal/template/list.html
+++ b/rrd/templates/portal/template/list.html
@@ -31,41 +31,47 @@
         </tr>
         </thead>
         <tbody>
-        {% for v in data.vs %}
-            <tr>
-                <td><a href="{{ url_for('template_view_get', tpl_id=v.id) }}">{{ v.tpl_name }}</a></td>
-                <td>{% if v.parent %}<a href="{{ url_for('template_view_get', tpl_id=v.parent.id) }}">{{ v.parent.tpl_name }}</a>{% endif %}</td>
-                <td>
-                    <a href="/user/about/{{ v.create_user }}">{{ v.create_user }}</a>
-                </td>
-                <td>
-                    <a data-toggle="tooltip" data-placement="top" title="克隆一份该模板" href="javascript:fork_template('{{ v.id }}');" style="text-decoration: none;">
-                        <span class="glyphicon glyphicon-duplicate orange"></span>
-                    </a>
-                    {% if v.writable(g.user) %}
-                        <span class="cut-line">¦</span>
-                        <a data-toggle="tooltip" data-placement="top" title="查看绑定了哪些HostGroup" href="{{ url_for('template_binds_get', tpl_id=v.id) }}"
-                           style="text-decoration: none;">
-                            <span class="glyphicon glyphicon-list-alt orange"></span>
-                        </a>
-                        <span class="cut-line">¦</span>
-                        <a data-toggle="tooltip" data-placement="top" title="修改" href="{{ url_for('template_update_get', tpl_id=v.id) }}"
-                           style="text-decoration: none;">
-                            <span class="glyphicon glyphicon-edit orange"></span>
+        {% if data.vs is not none %}
+            {% for v in data.vs %}
+                <tr>
+                    <td><a href="{{ url_for('template_view_get', tpl_id=v.id) }}">{{ v.tpl_name }}</a></td>
+                    <td>{% if v.parent %}<a href="{{ url_for('template_view_get', tpl_id=v.parent.id) }}">{{ v.parent.tpl_name }}</a>{% endif %}</td>
+                    <td>
+                        <a href="/user/about/{{ v.create_user }}">{{ v.create_user }}</a>
+                    </td>
+                    <td>
+                        <a data-toggle="tooltip" data-placement="top" title="克隆一份该模板" href="javascript:fork_template('{{ v.id }}');" style="text-decoration: none;">
+                            <span class="glyphicon glyphicon-duplicate orange"></span>
                         </a>
-                        <span class="cut-line">¦</span>
-                        <a data-toggle="tooltip" data-placement="top" title="删除" href="javascript:delete_template('{{ v.id }}');"
-                           style="text-decoration: none;">
-                            <span class="glyphicon glyphicon-trash orange"></span>
-                        </a>
-                    {% endif %}
-                </td>
-            </tr>
+                        {% if v.writable(g.user) %}
+                            <span class="cut-line">¦</span>
+                            <a data-toggle="tooltip" data-placement="top" title="查看绑定了哪些HostGroup" href="{{ url_for('template_binds_get', tpl_id=v.id) }}"
+                               style="text-decoration: none;">
+                                <span class="glyphicon glyphicon-list-alt orange"></span>
+                            </a>
+                            <span class="cut-line">¦</span>
+                            <a data-toggle="tooltip" data-placement="top" title="修改" href="{{ url_for('template_update_get', tpl_id=v.id) }}"
+                               style="text-decoration: none;">
+                                <span class="glyphicon glyphicon-edit orange"></span>
+                            </a>
+                            <span class="cut-line">¦</span>
+                            <a data-toggle="tooltip" data-placement="top" title="删除" href="javascript:delete_template('{{ v.id }}');"
+                               style="text-decoration: none;">
+                                <span class="glyphicon glyphicon-trash orange"></span>
+                            </a>
+                        {% endif %}
+                    </td>
+                </tr>
+            {% else %}
+                <tr>
+                    <td colspan="4">no records</td>
+                </tr>
+            {% endfor %}
         {% else %}
             <tr>
-                <td colspan="4">no records</td>
+                <td colspan="4">list fail, view logs for more.</td>
             </tr>
-        {% endfor %}
+        {% endif %}
         </tbody>
     </table>
     <div class="pull-right" style="margin-top: 20px;">
diff --git a/rrd/view/portal/expression.py b/rrd/view/portal/expression.py
index 9b48cef..cf6f6ad 100644
--- a/rrd/view/portal/expression.py
+++ b/rrd/view/portal/expression.py
@@ -29,8 +29,9 @@ def expressions_get():
     mine = request.args.get('mine', '1')
     me = g.user.name if mine == '1' else None
     vs, total = Expression.query(page, limit, query, me)
-    for v in vs:
-        v.action = Action.get(v.action_id)
+    if vs:
+        for v in vs:
+            v.action = Action.get(v.action_id)
     return render_template(
         'portal/expression/list.html',
         data={
diff --git a/rrd/view/portal/group.py b/rrd/view/portal/group.py
index 16a9f97..1060369 100644
--- a/rrd/view/portal/group.py
+++ b/rrd/view/portal/group.py
@@ -32,8 +32,10 @@ def group_create_post():
     grp_id = HostGroup.create(grp_name, g.user.name, 1)
     if grp_id > 0:
         return jsonify(msg='')
-    else:
+    elif grp_id == -1:
         return jsonify(msg='grp_name has already existent')
+    else:
+        return jsonify(msg='create fail, view logs for more.')
 
 
 @app.route('/portal/group/delete/<group_id>')
diff --git a/rrd/view/portal/template.py b/rrd/view/portal/template.py
index 765217f..db27ec1 100644
--- a/rrd/view/portal/template.py
+++ b/rrd/view/portal/template.py
@@ -34,8 +34,9 @@ def templates_get():
     mine = request.args.get('mine', '1')
     me = g.user.name if mine == '1' else None
     vs, total = Template.query(page, limit, query, me)
-    for v in vs:
-        v.parent = Template.get(v.parent_id)
+    if vs:
+        for v in vs:
+            v.parent = Template.get(v.parent_id)
     return render_template(
         'portal/template/list.html',
         data={
@@ -62,7 +63,7 @@ def template_create_post():
     if tpl_id:
         return jsonify(msg='', id=tpl_id)
 
-    return jsonify(msg='create fail')
+    return jsonify(msg='create fail, view logs for more.')
 
 
 @app.route('/portal/template/update/<tpl_id>')
diff --git a/wsgi.py b/wsgi.py
index d280ff7..b8f6376 100755
--- a/wsgi.py
+++ b/wsgi.py
@@ -25,7 +25,7 @@
 import sys
 sys.path.insert(0, base_dir)
 
-from rrd import app
+from rrd import start
 
 if __name__ == "__main__":
-    app.run(host="0.0.0.0", port=8081, debug=False)
+    start()