Merge pull request #373 from idrawjs/dev-v1.x

chore: bump 1.0.0-alpha.2

Author: chenshenhai

package.json

@@ -1,6 +1,6 @@
 {
   "private": false,
-  "version": "1.0.0-alpha.1",
+  "version": "1.0.0-alpha.2",
   "workspaces": [
     "packages/*"
   ],