diff --git a/js/aq_back_material/child/back_material_details.js b/js/aq_back_material/child/back_material_details.js
index bc20f29..2e14888 100644
--- a/js/aq_back_material/child/back_material_details.js
+++ b/js/aq_back_material/child/back_material_details.js
@@ -363,8 +363,8 @@ function print() {
         noPrintSelector: ".no-print",
         iframe: true,
         append: '<style>@page { margin: 0; size: auto; } @media print { @page { margin: 0; size: auto; } html { margin: 0; height: auto; } body { margin: 0; height: auto; } .layuimini-container { height: auto !important; } }</style>',
-        prepend: '<div style="text-align: center; font-size: 34px; font-weight: bold; margin-bottom: 5px;">【退料单】</div>',
+        prepend: '<div style="text-align: center; font-size: 34px; font-weight: bold; margin-top: 20px;">【退料单】</div>',
         manuallyCopyFormValues: true,
         deferred: $.Deferred()
     });
-}
\ No newline at end of file
+}