download dev from github releases

fix ci

remove unused import

fix releases

node_modules/.yarn-integrity

@@ -1,5 +1,5 @@
 {
-  "systemParams": "win32-x64-83",
+  "systemParams": "darwin-x64-83",
   "modulesFolders": [
     "node_modules"
   ],
@@ -718,7 +718,7 @@
     "wrap-ansi@^6.2.0": "https://registry.npm.taobao.org/wrap-ansi/download/wrap-ansi-6.2.0.tgz?cache=0&sync_timestamp=1618558913931&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fwrap-ansi%2Fdownload%2Fwrap-ansi-6.2.0.tgz#e9393ba07102e6c91a3b221478f0257cd2856e53",
     "wrappy@1": "https://registry.nlark.com/wrappy/download/wrappy-1.0.2.tgz?cache=0&sync_timestamp=1619133505879&other_urls=https%3A%2F%2Fregistry.nlark.com%2Fwrappy%2Fdownload%2Fwrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f",
     "write-file-atomic@^3.0.0": "https://registry.npm.taobao.org/write-file-atomic/download/write-file-atomic-3.0.3.tgz#56bd5c5a5c70481cd19c571bd39ab965a5de56e8",
-    "ws@^7.4.4": "https://registry.npm.taobao.org/ws/download/ws-7.4.5.tgz#a484dd851e9beb6fdb420027e3885e8ce48986c1",
+    "ws@^7.4.4": "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c",
     "xml-name-validator@^3.0.0": "https://registry.npm.taobao.org/xml-name-validator/download/xml-name-validator-3.0.0.tgz#6ae73e06de4d8c6e47f9fb181f78d648ad457c6a",
     "xmlchars@^2.2.0": "https://registry.npm.taobao.org/xmlchars/download/xmlchars-2.2.0.tgz#060fe1bcb7f9c76fe2a17db86a9bc3ab894210cb",
     "y18n@^4.0.0": "https://registry.npm.taobao.org/y18n/download/y18n-4.0.3.tgz?cache=0&sync_timestamp=1617822642544&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fy18n%2Fdownload%2Fy18n-4.0.3.tgz#b5f259c82cd6e336921efd7bfd8bf560de9eeedf",