Fix(Preview): Fixed code pollution bug

Methods and variables in base and main code are isolated to solve the problem of code pollution.

package.json

@@ -4,7 +4,7 @@
   "type": "module",
   "version": "1.0.1-SNAPSHOT",
   "description": "Oxygen Toolbox browser version",
-  "author":  {
+  "author": {
     "name": "FatttSnake",
     "email": "fatttsnake@fatweb.top",
     "url": "https://fatweb.top"