minor-fixes

README.md

-# GengShuang
+# Geng Shuang Emulator
 
 A Geng Shuang speech emulator. Originally created by [xwgmdjc](https://github.com/xwgmdjc).
 
@@ -8,4 +8,6 @@ A Geng Shuang speech emulator. Originally created by [xwgmdjc](https://github.co
 - 表单提交检查与随机输入生成
 - 响应式支持
 
-![gspreview.png](https://i.loli.net/2019/11/30/T9AwOQnHGxJYZ4U.png)
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+![gspreview.png](https://i.loli.net/2019/11/30/T9AwOQnHGxJYZ4U.png)
+
+![gspreview.png](https://raw.githubusercontent.com/fedink/GengShuangEmulator/master/gspreview.png)
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