docs: update docker usage

README.md

@@ -2,6 +2,7 @@
 
 [![Build Status](https://github.com/indes/flowerss-bot/workflows/Release/badge.svg)](https://github.com/indes/flowerss-bot/actions?query=workflow%3ARelease)
 [![Test Status](https://github.com/indes/flowerss-bot/workflows/Test/badge.svg)](https://github.com/indes/flowerss-bot/actions?query=workflow%3ATest)
+![Build Docker Image](https://github.com/indes/flowerss-bot/workflows/Build%20Docker%20Image/badge.svg)
 [![Go Report Card](https://goreportcard.com/badge/github.com/indes/flowerss-bot)](https://goreportcard.com/report/github.com/indes/flowerss-bot)
 ![GitHub](https://img.shields.io/github/license/indes/flowerss-bot.svg)
 

docs/install.md

@@ -6,24 +6,30 @@
 
 ## Docker 部署
 
-### 1. 下载配置文件
+1.下载配置文件
 在项目目录下新建 `config.yml` 文件
 
 
 ```bash
-mkdir ~/flowerss123 &&\
-wget -O ~/flowerss123/config.yml \
+mkdir ~/flowerss &&\
+wget -O ~/flowerss/config.yml \
     https://raw.githubusercontent.com/indes/flowerss-bot/master/config.yml.sample
 ```
 
 
-### 2. 修改配置文件
+2.修改配置文件
 
 ```bash
 vim ~/flowerss/config.yml
 ```
 
-### 3. 运行
+修改配置文件中sqlite路径（如果使用sqlite作为数据库）：
+```yaml
+sqlite:
+  path: /root/.flowerss/data.db
+```
+
+3.运行
 
 ```shell script
 docker run -d -v ~/flowerss:/root/.flowerss indes/flowerss-bot