change: update docs

docs/installation.md

@@ -15,7 +15,7 @@ If you want to keep up with the latest version, you can install with github repo
 $ pip3 install git+https://github.com/httprunner/httprunner.git@master
 ```
 
-If you have installed `HttpRunner` before and want to upgrade to the latest version, you can use the `-U` option.
+If you have installed `HttpRunner` before and want to upgrade to the latest version, you can use the `-U` option.
 
 ```bash
 $ pip3 install -U httprunner

mkdocs.yml

@@ -1,6 +1,5 @@
-# install mkdocs
-# $ pip install mkdocs            # 1.1.2
-# $ pip install mkdocs-material   # 5.2.2
+# install mkdocs and material design
+# $ pip install mkdocs-material
 
 # usage
 # $ mkdocs serve        # build docs and preview
@@ -30,11 +29,6 @@ theme:
         text: 'Roboto'
         code: 'Roboto Mono'
 
-# Google Analytics
-google_analytics:
-    - 'UA-114587036-3'
-    - 'auto'
-
 # Extensions
 markdown_extensions:
   - admonition
@@ -55,6 +49,9 @@ extra:
             link: https://debugtalk.com
         -   icon: fontawesome/brands/github-alt
             link: 'https://github.com/httprunner'
+    analytics:
+        provider: google # Google Analytics
+        property: UA-114587036-3
 
 # index pages
 nav: