diff --git a/src/main/resources/templates/admin/project_estimate_edit.ftl b/src/main/resources/templates/admin/project_estimate_edit.ftl
index 1f84ee6..61e4ddb 100644
--- a/src/main/resources/templates/admin/project_estimate_edit.ftl
+++ b/src/main/resources/templates/admin/project_estimate_edit.ftl
@@ -711,6 +711,7 @@
         var endTime = $("#endDate").val();
         var underwrittenMode = $("#underwrittenMode").val();
         var collaborator = $("#collaborator").val();
+        var collaboratorUrl = $("#collaboratorUrl").val();
         var advanceInterestAmount = $("#advanceInterestAmount").val();
         var advancePeakAmount = $("#advancePeakAmount").val();
         var contractAmount = $("#contractAmount").val();
@@ -796,6 +797,12 @@
             return;
         }
 
+        if (cooperateType == 1 && (collaboratorUrl == undefined || collaboratorUrl.length <= 0 )) {
+            window.confirm('合作对象附件不能为空');
+            check = 1;
+            return;
+        }
+
 
         if (underwrittenMode > 2 && (advanceInterestAmount == undefined || advanceInterestAmount.length <= 0)) {
             window.confirm('垫资利息不能为空');