更新 修复conversation_grade为100且customer_service_uids未配置时，未拦截非好友通讯

uniCloud/cloudfunctions/uni-im-co/msg.js

@@ -290,16 +290,14 @@ async function _checkConversationGrade({
 }) {
   // 客服模式下，如果配置的客服 id。则只能向客服发起会话
   let chatToCustomerService = async () => {
-    const customer_service_uids = uniImConfig.config('customer_service_uids_uids')
-    if (customer_service_uids) {
-      if (typeof customer_service_uids == 'string') {
-        customer_service_uids = [customer_service_uids]
-      }
-      if (
-        !(customer_service_uids.includes(from_uid) || customer_service_uids.includes(to_uid))
-      ) {
-        throw new Error('非法通讯，会话双方用户 id，均不属于 uni-im-co 中配置的 customer_service_uids')
-      }
+    const customer_service_uids = uniImConfig.config('customer_service_uids') || []
+    if (typeof customer_service_uids == 'string') {
+      customer_service_uids = [customer_service_uids]
+    }
+    if (
+      !(customer_service_uids.includes(from_uid) || customer_service_uids.includes(to_uid))
+    ) {
+      throw new Error('非法通讯，会话双方用户 id，均不属于 uni-im-co 中配置的 customer_service_uids')
     }
     return true
   }