update

app/service/util.js

@@ -86,6 +86,13 @@ class UtilService extends CrudService {
     return res;
   }
   async utilMethod(query, body) {
+    const { planid, termid, batchid, classid } = query;
+    const filters = {};
+    if (classid) filters.classid = classid;
+    else if (batchid)filters.batchid = batchid;
+    else if (termid)filters.termid = termid;
+    else if (planid)filters.planid = planid;
+    await this.ctx.model.Student.updateMany(filters, { classid: undefined });
     // const ch = await this.ctx.amqp.conn.createChannel();
     // const queue = 'hello';
     // ch.consume(