Update zh.json (#129)

A latest zh.json. Hope it will be helpful

assets/romfs/i18n/zh.json

@@ -66,7 +66,7 @@
   "Select Theme": "选择主题",
   "Shuffle": "随机播放",
   "Music": "音乐",
-  "12 Hour Time": "",
+  "12 Hour Time": "12小时制时间",
   "Network": "网络",
   "Network Options": "网络选项",
   "Ftp": "FTP",
@@ -170,7 +170,7 @@
   "Controller": "控制器",
   "Pad ": "手柄 ",
   " (Available)": " （可用的）",
-  " (Unsupported)": "",
+  " (Unsupported)": " (不支持的）",
   " (Unconnected)": " （未连接）",
   "HandHeld": "掌机模式",
   "Rotation": "旋转",
@@ -239,7 +239,7 @@
   "Update avaliable: ": "有可用更新！",
   "Download update: ": "下载更新：",
   "Updated to ": "更新至 ",
-  "Press OK to restart Sphaira": "",
+  "Press OK to restart Sphaira": "按OK键以重启shphaira菜单",
   "Restart Sphaira?": "重启 Sphaira？",
   "Failed to download update": "更新下载失败",
   "Restore hbmenu?": "恢复 hbmenu？",