diff --git a/ProductionSystem/Forms/HomeFormInfo.cs b/ProductionSystem/Forms/HomeFormInfo.cs
index c3e7519..01d467c 100644
--- a/ProductionSystem/Forms/HomeFormInfo.cs
+++ b/ProductionSystem/Forms/HomeFormInfo.cs
@@ -1575,7 +1575,7 @@ namespace ProductionSystem.Forms
                 string plcTiaoMa=readM248.val.ToString().Replace("\r", "").Replace("\n", "");
                 string tiaoma = txtProductCode.Text.Replace("\r", "").Replace("\n", "");
                 //彻底解决页面闪烁的问题
-                if (string.IsNullOrEmpty(plcTiaoMa) || tiaoma.Contains("暂无条码") || tiaoma == "" || tiaoma.Contains("暂"))
+                if (string.IsNullOrEmpty(plcTiaoMa) || tiaoma.Contains("暂无条码")  || tiaoma.Contains("暂"))
                 {
                     for (int i = 1; i < 9; i++)
                     {