From a4ba72a2c554f59d03edf2567f7e04d64c10ab4c Mon Sep 17 00:00:00 2001
From: wangyaqi <wangyaqi988@163.com>
Date: Mon, 20 Jan 2020 12:56:46 +0800
Subject: [PATCH] =?UTF-8?q?docs:=E8=A1=A5=E5=85=85=E9=83=A8=E5=88=86?=
 =?UTF-8?q?=E7=A4=BA=E4=BE=8B=E4=B8=AD=E7=BC=BA=E5=B0=91=E7=9A=84=20const?=
 =?UTF-8?q?=20=5F=20=3D=20db.command?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/uniCloud/cf-database.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/uniCloud/cf-database.md b/docs/uniCloud/cf-database.md
index edf62400..de084610 100644
--- a/docs/uniCloud/cf-database.md
+++ b/docs/uniCloud/cf-database.md
@@ -557,6 +557,7 @@ collection.where().remove()
 
 ```js
 // 删除字段a的值大于2的文档
+const _ = db.command
 collection.where({
   a: _.gt(2)
 }).remove().then(function(res) {
@@ -591,6 +592,7 @@ collection.doc('doc-id').set({
 collection.update()
 
 ```js
+const _ = db.command
 collection.where({name: _.eq('hey')}).update({
   age: 18,
 }).then(function(res) {
-- 
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