diff --git a/modules/whackamole/model.go b/modules/whackamole/model.go
index a3110806c..b3c2478e4 100644
--- a/modules/whackamole/model.go
+++ b/modules/whackamole/model.go
@@ -20,6 +20,7 @@ type modelComp struct {
 
 func (this *modelComp) Init(service core.IService, module core.IModule, comp core.IModuleComp, options core.IModuleOptions) (err error) {
 	err = this.MCompModel.Init(service, module, comp, options)
+	this.module = module.(*Whackamole)
 	this.TableName = comm.TableWhackamole
 	this.DB.CreateIndex(core.SqlTable(this.TableName), mongo.IndexModel{
 		Keys: bsonx.Doc{{Key: "uid", Value: bsonx.Int32(1)}},