fix: 修复字段错误

src/easy-use-track.js

@@ -12,14 +12,14 @@ class EasyUse {
   constructor(options = {}) {
 
     // 默认配置文件、版本号读取
-    const dataSoucre = `/common-module/track/json/${getPlatform() === 'PC' ? 'pc' : 'mobile'}.json`
+    const dataSource = `/common-module/track/json/${getPlatform() === 'PC' ? 'pc' : 'mobile'}.json`
     let version = ''
     if (window.goTemplateData && window.goTemplateData.version) {
       version = window.goTemplateData.version
     }
 
     this.config = Object.assign({
-      dataSoucre,
+      dataSource,
       version
     }, options)
     this.json = []