diff --git a/module/install/control.php b/module/install/control.php
index 252eec0e58..26c67cf290 100644
--- a/module/install/control.php
+++ b/module/install/control.php
@@ -121,7 +121,7 @@ class install extends control
         if(!empty($_POST))
         {
             $return = $this->install->checkConfig();
-            if($return->result != 'ok') return $this->send(array('result' => 'fail', 'callback' => "zui.Modal.alert({icon: 'icon-exclamation-sign', size: 'sm', iconClass: 'text-4xl text-warning',  message: '" . str_replace("'", '"', $return->error) . "'})"));
+            if($return->result != 'ok') return $this->send(array('result' => 'fail', 'callback' => "zui.Modal.alert({icon: 'icon-exclamation-sign', size: '480', iconClass: 'text-4xl text-warning',  message: '" . str_replace("'", '"', $return->error) . "'})"));
 
             $myConfig = array();
             foreach($_POST as $key => $value) $myConfig[$key] = $value;
diff --git a/module/install/ui/step3.html.php b/module/install/ui/step3.html.php
index 0d2e9ed5e1..88f7461785 100644
--- a/module/install/ui/step3.html.php
+++ b/module/install/ui/step3.html.php
@@ -14,7 +14,7 @@ set::zui(true);
 
 if(empty($myConfig))
 {
-    h::js("zui.Modal.alert('{$lang->install->errorNotInitConfig}').then((res) => {openUrl('" . inlink('step2') . "')});");
+    h::js("zui.Modal.alert({size: '480', message: '{$lang->install->errorNotInitConfig}'}).then((res) => {openUrl('" . inlink('step2') . "')});");
     render('pagebase');
     return;
 }
diff --git a/module/install/ui/step4.html.php b/module/install/ui/step4.html.php
index e53f30837a..01bed28c3c 100644
--- a/module/install/ui/step4.html.php
+++ b/module/install/ui/step4.html.php
@@ -14,7 +14,7 @@ set::zui(true);
 
 if(isset($error))
 {
-    h::js("zui.Modal.alert('{$lang->install->errorNotSaveConfig}').then((res) => {openUrl('" . inlink('step3') . "')});");
+    h::js("zui.Modal.alert({size: '480', message: '{$error}'}).then((res) => {openUrl('" . inlink('step3') . "')});");
     render('pagebase');
     return;
 }
diff --git a/module/install/ui/step5.html.php b/module/install/ui/step5.html.php
index 93b8dc83c7..1e40bc3209 100644
--- a/module/install/ui/step5.html.php
+++ b/module/install/ui/step5.html.php
@@ -12,9 +12,9 @@ namespace zin;
 
 set::zui(true);
 
-if(!isset($this->config->installed) || !$this->config->installed)
+if(isset($error))
 {
-    h::js("zui.Modal.alert('{$lang->install->errorNotSaveConfig}').then((res) => {openUrl('" . inlink('step3') . "')});");
+    h::js("zui.Modal.alert({size: '480', message: '{$error}'}).then((res) => {openUrl('" . inlink('step3') . "')});");
     render('pagebase');
     return;
 }