fix: i18n error

uni_modules/uni-id-pages/uniCloud/cloudfunctions/uni-id-co/index.obj.js

@@ -212,11 +212,16 @@ module.exports = {
     }
 
     // 国际化
+    const messages = require('./lang/index')
+    const fallbackLocale = 'zh-Hans'
     const i18n = uniCloud.initI18n({
       locale: clientInfo.locale,
-      fallbackLocale: 'zh-Hans',
-      messages: require('./lang/index')
+      fallbackLocale,
+      messages: JSON.parse(JSON.stringify(messages))
     })
+    if (!messages[i18n.locale]) {
+      i18n.setLocale(fallbackLocale)      
+    }
     this.t = i18n.t.bind(i18n)
 
     this.response = {}