分片插入bug修复

app/base/base_service.js

@@ -234,7 +234,7 @@ class BaseService extends Service {
     async insertBigDatas(transaction, insertDatas) {
         const batchSize = 50;
         for (let i = 0; i < insertDatas.length; i += batchSize) {
-            const batchDatas = insertDatas.splice(i, i + batchSize);
+            const batchDatas = insertDatas.slice(i, i + batchSize);
             await transaction.insert(this.tableName, batchDatas);
         }
     }