diff --git a/def.go b/def.go
index 3949bbf..5c0fee7 100644
--- a/def.go
+++ b/def.go
@@ -85,7 +85,7 @@ type ChatWarsItem struct {
 	ItemTypeID int64  `json:"item_type_id"`
 	Code       string `json:"code"`
 	Name       string `json:"name"`
-	Weight     int    `json:"weight"`
+	Weight     int64  `json:"weight"`
 	Exchange   bool   `json:"exchange"`
 	Auction    bool   `json:"auction"`
 }