diff --git a/Bootstrap.Admin/Views/Admin/Dicts.cshtml b/Bootstrap.Admin/Views/Admin/Dicts.cshtml
index c19b78d5..49046599 100644
--- a/Bootstrap.Admin/Views/Admin/Dicts.cshtml
+++ b/Bootstrap.Admin/Views/Admin/Dicts.cshtml
@@ -65,7 +65,7 @@
                 </div>
                 <div class="form-group col-12">
                     <label class="control-label" for="dictCode">字典代码</label>
-                    <input type="text" class="form-control flex-sm-fill" id="dictCode" placeholder="不可为空，50字以内" maxlength="50" data-valid="true" />
+                    <input type="text" class="form-control flex-sm-fill" id="dictCode" placeholder="不可为空，500字以内" maxlength="500" data-valid="true" />
                 </div>
                 <div class="form-group form-group-dropdown col-12">
                     <label class="control-label" for="dictDefine">字典类型</label>