diff --git a/common/cool/controller.go b/common/cool/controller.go
index 153c299b..559635d5 100644
--- a/common/cool/controller.go
+++ b/common/cool/controller.go
@@ -178,7 +178,7 @@ type ColumnInfo struct {
 var ModelInfo = make(map[string][]*ColumnInfo)
 
 // getModelInfo 获取模型信息
-func getModelInfo(ctx g.Ctx, prefix string, model IModel) (columns []*ColumnInfo) {
+func getModelInfo(ctx g.Ctx, _ string, model IModel) (columns []*ColumnInfo) {
 	fields, err := g.DB(model.GroupName()).TableFields(ctx, model.TableName())
 	if err != nil {
 		panic(err)