add $pull filter

Author: qixin1991

package.json

@@ -1,6 +1,6 @@
 {
     "name": "web-zero",
-    "version": "0.1.8",
+    "version": "0.1.9",
     "description": "Nodejs web project code scaffold base on Koa@2",
     "main": "index.js",
     "scripts": {

template/tpl_mongo.js

@@ -310,10 +310,10 @@ module.exports = {
         var update_doc = null;
         delete updatedDoc._id; // don't update _id & createAt field.
         delete updatedDoc.createAt;
-        if (updatedDoc.hasOwnProperty('$push') || updatedDoc.hasOwnProperty('$unset')) {
+        if (updatedDoc.hasOwnProperty('$push') || updatedDoc.hasOwnProperty('$pull') || updatedDoc.hasOwnProperty('$unset')) {
             update_doc = updatedDoc;
         } else {
-            updatedDoc.updateAt = new Date();
+            updatedDoc.updateAt = Date();
             update_doc = { $set: updatedDoc };
         }
         collection.updateOne(conditionDoc, update_doc, (err, result) => {