重写fetch方法

app/service/staff.js

@@ -63,6 +63,14 @@ class StaffService extends CrudService {
     await this.umodel.findOneAndDelete({ userid: id });
   }
 
+  async fetch({ id }) {
+    let staff = await this.model.findById(id);
+    staff = JSON.parse(JSON.stringify(staff));
+    const user = await this.umodel.findOne({ userid: staff.id });
+    staff.type = user.type;
+    return staff;
+  }
+
 }
 
 module.exports = StaffService;