diff --git a/PaintingPC/Function.cs b/PaintingPC/Function.cs
index a28a7e0..f5fb11c 100644
--- a/PaintingPC/Function.cs
+++ b/PaintingPC/Function.cs
@@ -2093,7 +2093,7 @@ namespace PaintingPC
                     Stopwatch sw5 = new Stopwatch();
                     sw5.Start();
                     #region 从WMS系统获得喷涂上件的颜色信息
-                    string wmsSql = $"select TypeCode,WMSColor as paintcode from {tableName} where ProductBarcode='{barcode}'";
+                    string wmsSql = $"select top 1 TypeCode,WMSColor as paintcode from {tableName} where ProductBarcode='{barcode}' order by UpdateTime desc  ";
 
                     string wmsSqlConnString = ConfigurationManager.ConnectionStrings["WmsSqlConnString"].ToString();
                     DataTable dtColor = SqlHelper.GetDataDateTable(wmsSqlConnString, CommandType.Text, wmsSql, null);