update

app/service/student.js

@@ -58,7 +58,7 @@ class StudentService extends CrudService {
     const student = await this.model.findByIdAndUpdate(id, data);
     if (student) {
       const { phone, name } = data;
-      await this.umodel.findOneAndUpdate({ uid: id }, { mobile: phone, name });
+      if (phone && name) { await this.umodel.findOneAndUpdate({ uid: id }, { mobile: phone, name }); }
     }
     return student;
   }