diff --git a/resources/views/admin/channels/index.blade.php b/resources/views/admin/channels/index.blade.php
index 050ad4f..69a037c 100644
--- a/resources/views/admin/channels/index.blade.php
+++ b/resources/views/admin/channels/index.blade.php
@@ -261,16 +261,16 @@ layui.use(['table', 'form', 'layer'], function () {
           var isAppNow = data.value === 'app';
           $('.LAY-ch-app-only').toggle(isAppNow);
           $('.LAY-ch-new-only').toggle(!isAppNow);
-          var \$input = $('#LAY-ch-id-input');
+          var idInput = $('#LAY-ch-id-input');
           if (isAppNow) {
-            \$input.attr('readonly', true).attr('maxlength', '').attr('placeholder', '自动生成 UUID');
-            if (!\$input.val()) {
+            idInput.attr('readonly', true).attr('maxlength', '').attr('placeholder', '自动生成 UUID');
+            if (!idInput.val()) {
               $.getJSON(@json(route('admin.channels.randomId')) + '?builder_type=app', function (res) {
-                if (res.code === 0) \$input.val(res.data.channel_id);
+                if (res.code === 0) idInput.val(res.data.channel_id);
               });
             }
           } else {
-            \$input.removeAttr('readonly').attr('maxlength', '6').attr('placeholder', '例如 A.B.C1 或 3.1.07').val('');
+            idInput.removeAttr('readonly').attr('maxlength', '6').attr('placeholder', '例如 A.B.C1 或 3.1.07').val('');
           }
         });
       },