diff --git a/platformapi/jdapi/callback.go b/platformapi/jdapi/callback.go
index e6cb7364..b0e5f724 100644
--- a/platformapi/jdapi/callback.go
+++ b/platformapi/jdapi/callback.go
@@ -149,7 +149,7 @@ func (a *API) GetStoreStockCallbackMsg(data []byte) (msg *CallbackStoreStockMsg,
 		msg.Vendibility = int(utils.Str2Int64(utils.Interface2String(tmpMsg["vendibility"])))
 		msg.OperPin = utils.Interface2String(tmpMsg["operPin"])
 		msg.OperTime = utils.Str2Int64(utils.Interface2String(tmpMsg["operTime"]))
-		msg.OperSource = int(utils.Str2Int64((utils.Interface2String(tmpMsg["openSource"]))))
+		msg.OperSource = int(utils.Str2Int64((utils.Interface2String(tmpMsg["operSource"]))))
 		have := utils.Interface2String(tmpMsg["have"])
 		if have == "true" {
 			msg.Have = true