docs: update grafana integration (#180)

* update grafana integration
datalayers-io · Nov 29, 2024 · 1e3fe85 · 1e3fe85
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diff --git a/zh_CN/assets/datalayers-with-grafana/config_datasource.jpg b/zh_CN/assets/datalayers-with-grafana/config_datasource.jpg
diff --git a/zh_CN/assets/datalayers-with-grafana/config_datasource.png b/zh_CN/assets/datalayers-with-grafana/config_datasource.png
diff --git a/zh_CN/integration/datalayers-with-grafana.md b/zh_CN/integration/datalayers-with-grafana.md
@@ -121,11 +121,9 @@ allow_loading_unsigned_plugins = datalayersio-datasource
 
 此时 Grafana 和 Datalayers 数据源插件均已就绪，请通过本地浏览器，登录到 Grafana。
 
-请按照下方图示填入对应的数据库地址+端口、用户名+密码，如果开启了 TLS 还需要填写证书。
+请按照下方图示填入对应的数据库地址+端口、用户名+密码、默认的数据库名称，如果开启了 TLS 还需要填写证书。
 
-![config plugin](../assets/datalayers-with-grafana/config_datasource.jpg)
-
-> 推荐填写 metaData 部分，key 为 `'database'`，value 为 `'数据库名称'`，填写后在使用查询语句时可以免写数据库名。
+![config plugin](../assets/datalayers-with-grafana/config_datasource.png)
 
 配置完成后，你可以点击 `Save & test` 按钮保存并测试连通性。
 

diff --git a/zh_CN/releases/changes.md b/zh_CN/releases/changes.md
@@ -2,7 +2,7 @@
 
 ## 2.2.5
 
-发布日期: 2024-11-28
+发布日期: 2024-12-01
 
 ### Features