Merge pull request #124 from go-admin-team/dev

docs📝:  修改版本号

package.json

@@ -1,6 +1,6 @@
 {
   "name": "go-admin",
-  "version": "2.0.0-beta.7",
+  "version": "2.0.0-beta.8",
   "description": "A magical vue admin. An out-of-box UI solution for enterprise applications. Newest development stack of vue. Lots of awesome features",
   "author": "https://github.com/wenjianzhang",
   "license": "MIT",