更新版本号（2.7.0-beta.4）

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "lx-music-desktop",
-  "version": "2.7.0-beta.3",
+  "version": "2.7.0-beta.4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "lx-music-desktop",
-      "version": "2.7.0-beta.3",
+      "version": "2.7.0-beta.4",
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "lx-music-desktop",
-  "version": "2.7.0-beta.3",
+  "version": "2.7.0-beta.4",
   "description": "一个免费的音乐查找助手",
   "main": "./dist/main.js",
   "productName": "lx-music-desktop",