diff --git a/server/wheelserver/api/v1/bag/bag.go b/server/wheelserver/api/v1/bag/bag.go
index 248c1337..5a5ecc04 100644
--- a/server/wheelserver/api/v1/bag/bag.go
+++ b/server/wheelserver/api/v1/bag/bag.go
@@ -28,7 +28,9 @@ func (this *BagApi) List(c *gin.Context) {
 	rspObj := struct {
 		vo.BaseVo
 		Data []*vo.BagItem `json:"data"`
-	}{}
+	}{
+		Data: []*vo.BagItem{},
+	}
 	for _, m := range items {
 		v := new(vo.BagItem)
 		v.FromModel(m)