update

backend/views/coin-recommend/index.php

@@ -218,7 +218,9 @@ table.on('tool(table1)', function(obj) {
                 });
             },
             btn1: function() {
-                $.get('/admin/coin-recommend/add', $("#form1").serialize(), function(rev) {
+                var data = $("#form1").serialize();
+                data += "&platform_id="+$('#platform_id').val();
+                $.get('/admin/coin-recommend/add', data, function(rev) {
                     layer.msg(rev.msg);
                     if (0 == rev.code) {
                         layer.close(index);