diff --git a/app/views/layouts/base_forums.html.erb b/app/views/layouts/base_forums.html.erb
index 4d948b29d..703d9b616 100644
--- a/app/views/layouts/base_forums.html.erb
+++ b/app/views/layouts/base_forums.html.erb
@@ -114,7 +114,7 @@
               <a href="javascript:void(0)" class="yellowBtn f_l" onclick="$('#add_tag01').slideToggle();">+ 添加标签</a>
                <% end %>
               <span id="add_tag01" style="display:none; vertical-align: middle;" class="ml10 f_l">
-            <input type="text"  name="addTag" size="20" class="isTxt w90 f_l"  maxlength="100" />
+            <input type="text"  name="addTag" size="20" class="isTxt w90 f_l"  maxlength="<%=Setting.tags_max_length%>" minlength="<%= Setting.tags_min_length%>" />
             <input type="button" class="submit f_l" onclick="addTag();" />
             </span></div>
             <div class="cl"></div>