diff --git a/item.go b/item.go
index e5620f8..5ba92fe 100644
--- a/item.go
+++ b/item.go
@@ -220,7 +220,7 @@ func loadObjItem() error {
 				log.Printf("loadObjItem : %s : duplicate code found. Belong to %s\n", objItems[id].Code, objItems[id].Names[0])
 			} else {
 				cacheObjItem[objItems[k].Code] = k
-				objItems[k].ItemTypeID = cacheObjSubType[i.ItemType]
+				objItems[k].ItemTypeID = cacheObjSubType[objItems[k].ItemType]
 
 				for _, n := range objItems[k].Names {
 					if id, ok := cacheObjItem[n]; ok {
@@ -254,7 +254,7 @@ func loadObjItem() error {
 
 			if weight != obj.Weight {
 				log.Printf("loadObjItem : %s - %s : weight changed : %d => %d\n", objItems[id].Code, objItems[id].Names[0], weight, objItems[id].Weight)
-				setObjItemWeight(obj_id, objItems[id].weight)
+				setObjItemWeight(obj_id, objItems[id].Weight)
 			}
 
 			cacheObjItemId[obj_id] = id