diff --git a/src/main/resources/templates/admin/sys_permission_input.ftl b/src/main/resources/templates/admin/sys_permission_input.ftl
index d604796..2ce5a42 100644
--- a/src/main/resources/templates/admin/sys_permission_input.ftl
+++ b/src/main/resources/templates/admin/sys_permission_input.ftl
@@ -58,8 +58,8 @@
                 <div class="am-g am-form-group am-margin-top">
                     <div class="am-u-sm-4 am-u-md-2 am-text-right"><span style="color: red;">*</span>权限编码</div>
                     <div class="am-u-sm-6 am-u-md-6">
-                        <input type="text" class="am-input" data-validate-async data-validation-message="请输入权限编码（20字符以内）"
-                        name="permission" placeholder="请输入权限编码（20字符以内）" maxlength="20"
+                        <input type="text" class="am-input" data-validate-async data-validation-message="请输入权限编码（30字符以内）"
+                        name="permission" placeholder="请输入权限编码（30字符以内）" maxlength="30"
                             value="${permission.permission!}" required />
                     </div>
                     <div class="am-u-sm-2 am-u-md-4 input-msg"></div>