diff --git a/modules/practice/module.go b/modules/practice/module.go
index 71767bd3a..5b681dacb 100644
--- a/modules/practice/module.go
+++ b/modules/practice/module.go
@@ -413,7 +413,7 @@ func (this *Practice) CleanUpNpc(uid string) {
 	}
 
 	result.Refresh = configure.Now().Unix()
-	this.modelPandata.Change(uid, map[string]interface{}{ // 同步状态即可
+	model.Change(uid, map[string]interface{}{ // 同步状态即可
 		"npcstate": 3,
 		"refresh":  result.Refresh,
 	})