diff --git a/server/adminserver/common/types.go b/server/adminserver/common/types.go
index 11efc62c..13c6e70e 100644
--- a/server/adminserver/common/types.go
+++ b/server/adminserver/common/types.go
@@ -1,8 +1,8 @@
 package common
 
 type Attachment struct {
-	ItemId int32 `json:"item_id"`
-	ItemNum int32 `json:"item_num"`
+	ItemId int32 `json:"itemid"`
+	ItemNum int32 `json:"itemnum"`
 }
 
 type App interface {