diff --git a/def.go b/def.go
index 7696c7a..0977725 100644
--- a/def.go
+++ b/def.go
@@ -129,7 +129,7 @@ const (
 	objJobPriorityRescanChildMsg = 3
 	objJobPriorityRescanAllMsg   = 4
 
-	MQGetMsgWorkers       = 3
+	MQGetMsgWorkers       = 12
 	SQLCWMsgWorkers       = 6
 	SQLIdentifyMsgWorkers = 6
 	SQLJobWorkers         = 3