improve docs

README-EN.md

@@ -182,6 +182,8 @@ The browser will go to [http://localhost:8080](http://localhost:8080)
 
 ### multi-language
 In the [i18n.json](https://github.com/Binaryify/vue-tetris/blob/master/src/i18n.json)is the configuration for the multi-language environment. You can change the language by passing the url parameter `lan` like this: `https://Binaryify.github.io/vue-tetris/?lan=en`
+
+`http://binaryify.github.io/vue-tetris/?lan=zh`
 ### Build
 ```
 npm run build

README.md

@@ -189,6 +189,7 @@ npm run dev
 ### 多语言
 在 [i18n.json](https://github.com/Binaryify/vue-tetris/blob/master/src/i18n.json) 配置多语言环境，使用"lan"参数匹配语言如：`https://Binaryify.github.io/vue-tetris/?lan=en`
 
+`http://binaryify.github.io/vue-tetris/?lan=zh`
 ### 打包编译
 ```
 npm run build

src/app.js

@@ -112,7 +112,8 @@ export default {
           const speedRun = this.$store.state.speedRun
           let timeout = speeds[speedRun - 1] / 2 // 继续时, 给予当前下落速度一半的停留时间
           // 停留时间不小于最快速的速度
-          timeout = speedRun < speeds[speeds.length - 1]
+          timeout =
+            speedRun < speeds[speeds.length - 1]
               ? speeds[speeds.length - 1]
               : speedRun
           states.auto(timeout)