diff --git a/public/install.php b/public/install.php
index f69d043a..b2b79bf2 100644
--- a/public/install.php
+++ b/public/install.php
@@ -16,6 +16,7 @@ $app = new App();
 if (is_file($app->getRootPath() . '.env') && is_file($app->getRootPath() . 'install.lock')) {
 	header('Location: index.php');exit();
 }
+session('error', 0);
 
 define('ROOT_PATH', $app->getRootPath());
 $action = $app->request->param('action', 'index');
@@ -679,7 +680,7 @@ function session($name, $value = false){
 	if ($name == '') {
 		return false;
 	}
-	if ($value) {
+	if (false !== $value) {
 		$_SESSION[$name] = $value;
 	}else{
 		return isset($_SESSION[$name]) ? $_SESSION[$name] : false;
diff --git a/runtime/sql/install.sql b/runtime/sql/install.sql
index 585e70b4..acf2bba3 100644
--- a/runtime/sql/install.sql
+++ b/runtime/sql/install.sql
@@ -460,7 +460,7 @@ CREATE TABLE `sent_member` (
   `login` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '登录次数',
   `reg_ip` bigint(20) NOT NULL DEFAULT '0' COMMENT '注册IP',
   `reg_time` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '注册时间',
-  `last_login_ip` bigint(20) NOT NULL DEFAULT '0' COMMENT '最后登录IP',
+  `last_login_ip` varchar(30) NOT NULL DEFAULT '0' COMMENT '最后登录IP',
   `last_login_time` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '最后登录时间',
   `status` tinyint(4) NOT NULL DEFAULT '1' COMMENT '会员状态',
   PRIMARY KEY (`uid`),