diff --git a/SlnMesnac.Business/LogoBusiness.cs b/SlnMesnac.Business/LogoBusiness.cs
index b77cbea..1b6de30 100644
--- a/SlnMesnac.Business/LogoBusiness.cs
+++ b/SlnMesnac.Business/LogoBusiness.cs
@@ -238,7 +238,7 @@ namespace SlnMesnac.Business
                 byte[] compressedImageData = null;
 
                 //从队列取出条码
-                if (consumeQueue.Count < 0) return;
+                if (consumeQueue.Count <= 0) return;
                 bool hikFlag = false;
                 BarCodeModel barCodeModel = consumeQueue.Dequeue();