修改随机时间，文章学习时间为100天内

Author: taoyl

release.crx

@@ -2,7 +2,7 @@
   "name": "__MSG_extName__",
   "default_locale": "zh_CN",
   "description": "__MSG_extDescription__",
-  "version": "3.0.7",
+  "version": "3.0.8",
   "manifest_version": 3,
   "icons": {
     "16": "img/icon/icon_16x16.png",