diff --git a/admin/views/fdd/rule.model.html b/admin/views/fdd/rule.model.html
index e34da038..f02e8cd3 100644
--- a/admin/views/fdd/rule.model.html
+++ b/admin/views/fdd/rule.model.html
@@ -25,6 +25,7 @@
                                 <option value="SHOPFLOOR">SHOPFLOOR</option>
                                 <option value="EQUIPMENT">EQUIPMENT</option>
                                 <option value="COMBINEDEQUIPMENT">COMBINEDEQUIPMENT</option>
+                                <option value="VIRTUALMETER">VIRTUALMETER</option>
                             </select>
                     <div class="m-t-xs" ng-show="form_rule.category.$invalid && form_rule.category.$dirty">
                         <small class="text-danger" ng-show="form_rule.category.$error.required">-</small>
@@ -66,6 +67,10 @@
                                 <option value="COMBINEDEQUIPMENT02">COMBINEDEQUIPMENT02</option>
                                 <option value="COMBINEDEQUIPMENT03">COMBINEDEQUIPMENT03</option>
                                 <option value="COMBINEDEQUIPMENT04">COMBINEDEQUIPMENT04</option>
+                                <option value="VIRTUALMETER01">VIRTUALMETER01</option>
+                                <option value="VIRTUALMETER02">VIRTUALMETER02</option>
+                                <option value="VIRTUALMETER03">VIRTUALMETER03</option>
+                                <option value="VIRTUALMETER04">VIRTUALMETER04</option>
                             </select>
                     <div class="m-t-xs" ng-show="form_rule.fdd_code.$invalid && form_rule.fdd_code.$dirty">
                         <small class="text-danger" ng-show="form_rule.fdd_code.$error.required">-</small>
diff --git a/myems-api/core/emailmessage.py b/myems-api/core/emailmessage.py
index a8e1226b..7926fe0b 100644
--- a/myems-api/core/emailmessage.py
+++ b/myems-api/core/emailmessage.py
@@ -162,7 +162,9 @@ class EmailMessageItem:
             raise falcon.HTTPError(falcon.HTTP_500, title='API.DATABASE_ERROR', description=str(e))
 
         try:
-            cursor.execute(" SELECT id FROM tbl_email_messages WHERE id = %s ", (id_,))
+            cursor.execute(" SELECT id "
+                           " FROM tbl_email_messages "
+                           " WHERE id = %s ", (id_,))
             row = cursor.fetchone()
         except Exception as e:
             if cursor:
diff --git a/myems-api/core/rule.py b/myems-api/core/rule.py
index d0a8dc00..3dd2ade7 100644
--- a/myems-api/core/rule.py
+++ b/myems-api/core/rule.py
@@ -75,7 +75,7 @@ class RuleCollection:
                 len(str.strip(new_values['data']['category'])) == 0 or \
                 str.strip(new_values['data']['category']) not in \
                 ('SYSTEM', 'REALTIME', 'SPACE', 'METER', 'TENANT', 'STORE', 'SHOPFLOOR', 'EQUIPMENT',
-                 'COMBINEDEQUIPMENT'):
+                 'COMBINEDEQUIPMENT', 'VIRTUALMETER'):
             raise falcon.HTTPError(falcon.HTTP_400,
                                    title='API.BAD_REQUEST',
                                    description='API.INVALID_CATEGORY')
@@ -270,7 +270,7 @@ class RuleItem:
                 len(str.strip(new_values['data']['category'])) == 0 or \
                 str.strip(new_values['data']['category']) not in \
                 ('SYSTEM', 'REALTIME', 'SPACE', 'METER', 'TENANT', 'STORE', 'SHOPFLOOR', 'EQUIPMENT',
-                 'COMBINEDEQUIPMENT'):
+                 'COMBINEDEQUIPMENT', 'VIRTUALMETER'):
             raise falcon.HTTPError(falcon.HTTP_400,
                                    title='API.BAD_REQUEST',
                                    description='API.INVALID_CATEGORY')