diff --git a/WMS-BS/NFine.Web/Areas/WMS/Views/PickMaterial/ICSMOPickMerge.cshtml b/WMS-BS/NFine.Web/Areas/WMS/Views/PickMaterial/ICSMOPickMerge.cshtml
index 69a25e5..a827e37 100644
--- a/WMS-BS/NFine.Web/Areas/WMS/Views/PickMaterial/ICSMOPickMerge.cshtml
+++ b/WMS-BS/NFine.Web/Areas/WMS/Views/PickMaterial/ICSMOPickMerge.cshtml
@@ -637,6 +637,10 @@
             $.modalAlert("请先选择单据！", "warning");
             return;
         }
+        if (objList.length > 20) {
+            $.modalAlert("请选择小于等于20个单据拣料！", "warning");
+            return;
+        }
         for (var i = 0; i < objList.length; i++) {
             var objArr = '';
             var rowId = objList[i];