diff --git a/modules/member/tpl/insert_member.html b/modules/member/tpl/insert_member.html
index 89b6aa72c..a62253dff 100644
--- a/modules/member/tpl/insert_member.html
+++ b/modules/member/tpl/insert_member.html
@@ -136,7 +136,7 @@
 		<label class="x_control-label">{$lang->member_group}</label>
 		<div class="x_controls">
 			<label for="group_{$key}" class="x_inline" loop="$group_list => $key,$val">
-				<input type="checkbox" name="group_srl_list[]" value="{$key}" id="group_{$key}" checked="checked"|cond="$member_info->group_list[$key]" />
+				<input type="checkbox" name="group_srl_list[]" value="{$key}" id="group_{$key}" checked="checked"|cond="!empty($member_info->group_list[$key])" />
 				{$val->title}
 			</label>
 		</div>
diff --git a/modules/member/tpl/member_list.html b/modules/member/tpl/member_list.html
index a28428e28..0b2bb461b 100644
--- a/modules/member/tpl/member_list.html
+++ b/modules/member/tpl/member_list.html
@@ -167,7 +167,7 @@
 	</select>
 	<select name="search_target" style="margin-right:4px" title="{$lang->search_target}">
 		{@ $lang->search_target_list = array_merge($usedIdentifiers, lang('member.search_target_list')->getArrayCopy())}
-		<option value="{$key}" loop="$lang->search_target_list=>$key,$val" selected="selected"|cond="$search_target==$key">{$val}</option>
+		<option value="{$key}" loop="$lang->search_target_list=>$key,$val" selected="selected"|cond="isset($search_target) && $search_target == $key">{$val}</option>
 	</select>
 	<input type="search" name="search_keyword" value="{$search_keyword}" style="width:140px">
 	<button class="x_btn x_btn-inverse" type="submit">{$lang->cmd_search}</button>
diff --git a/modules/member/tpl/nick_name_log.html b/modules/member/tpl/nick_name_log.html
index f113402f7..b65c62bb6 100644
--- a/modules/member/tpl/nick_name_log.html
+++ b/modules/member/tpl/nick_name_log.html
@@ -31,12 +31,12 @@
 <form action="./" method="get" class="search center x_input-append" no-error-return-url="true">
 	<input type="hidden" name="module" value="{$module}" />
 	<select name="search_target" style="margin-right:4px" title="{$lang->search_target}">
-		<option value="before" selected="selected"|cond="$search_target=='before'">{$lang->nick_name_before_changing}</option>
-		<option value="after" selected="selected"|cond="$search_target=='after'">{$lang->nick_name_after_changing}</option>
-		<option value="user_id" selected="selected"|cond="$search_target=='user_id'">{$lang->user_id}</option>
-		<option value="member_srl" selected="selected"|cond="$search_target=='member_srl'">{$lang->member_number}</option>
+		<option value="before" selected="selected"|cond="isset($search_target) && $search_target == 'before'">{$lang->nick_name_before_changing}</option>
+		<option value="after" selected="selected"|cond="isset($search_target) && $search_target == 'after'">{$lang->nick_name_after_changing}</option>
+		<option value="user_id" selected="selected"|cond="isset($search_target) && $search_target == 'user_id'">{$lang->user_id}</option>
+		<option value="member_srl" selected="selected"|cond="isset($search_target) && $search_target == 'member_srl'">{$lang->member_number}</option>
 	</select>
-	<input type="search" name="search_keyword" value="{htmlspecialchars($search_keyword, ENT_COMPAT | ENT_HTML401, 'UTF-8', false)}" style="width:140px">
+	<input type="search" name="search_keyword" value="{escape($search_keyword ?? '', false)}" style="width:140px">
 	<button class="x_btn x_btn-inverse" type="submit">{$lang->cmd_search}</button>
 </form>