diff --git a/function/normal.php b/function/normal.php
index 7d0bc0b..4e0f3de 100644
--- a/function/normal.php
+++ b/function/normal.php
@@ -38,14 +38,14 @@ function getGET()
 
 function getConfig($str, $disktag = '')
 {
-    global $innerEnv;
+    global $InnerEnv;
     //include 'config.php';
     if ($disktag=='') $disktag = $_SERVER['disktag'];
     $s = file_get_contents('config.php');
     $configs = substr($s, 18, -2);
     if ($configs!='') {
         $envs = json_decode($configs, true);
-        if (in_array($str, $innerEnv)) {
+        if (in_array($str, $InnerEnv)) {
             if (isset($envs[$disktag][$str])) return $envs[$disktag][$str];
         } else if (isset($envs[$str])) return $envs[$str];
     }
@@ -54,7 +54,7 @@ function getConfig($str, $disktag = '')
 
 function setConfig($arr, $disktag = '')
 {
-    global $innerEnv;
+    global $InnerEnv;
     if ($disktag=='') $disktag = $_SERVER['disktag'];
     //include 'config.php';
     $s = file_get_contents('config.php');
@@ -64,7 +64,7 @@ function setConfig($arr, $disktag = '')
     //$indisk = 0;
     $operatedisk = 0;
     foreach ($arr as $k => $v) {
-        if (in_array($k, $innerEnv)) {
+        if (in_array($k, $InnerEnv)) {
             $envs[$disktag][$k] = $v;
             /*$diskconfig[$k] = $v;
             $indisk = 1;*/
@@ -103,6 +103,8 @@ function setConfig($arr, $disktag = '')
 function get_refresh_token()
 {
     global $constStr;
+    global $CommonEnv;
+    foreach ($CommonEnv as $env) $envs .= '\'' . $env . '\', ';
     $url = path_format($_SERVER['PHP_SELF'] . '/');
     if ($_GET['authorization_code'] && isset($_GET['code'])) {
         $_SERVER['disktag'] = $_COOKIE['disktag'];
@@ -160,6 +162,9 @@ function get_refresh_token()
     }
     if ($_GET['install0']) {
         if ($_POST['disktag_add']!='' && ($_POST['Onedrive_ver']=='MS' || $_POST['Onedrive_ver']=='CN' || $_POST['Onedrive_ver']=='MSC')) {
+            if (in_array($_COOKIE['disktag'], $CommonEnv)) {
+                return message('Do not input ' . $envs . '<br><button onclick="location.href = location.href;">'.getconstStr('Reflesh').'</button><script>document.cookie=\'disktag=; path=/\';</script>', 'Error', 201);
+            }
             $_SERVER['disktag'] = $_COOKIE['disktag'];
             $tmp['disktag_add'] = $_POST['disktag_add'];
             $tmp['diskname'] = $_POST['diskname'];
@@ -211,6 +216,11 @@ Can not write config to file.<br>
                 alert(\'Input Disk Tag\');
                 return false;
             }
+            envs = [' . $envs . '];
+            if (envs.indexOf(t.disktag_add.value)>-1) {
+                alert(\'' . $envs . '\');
+                return false;
+            }
             var reg = /^[a-zA-Z]([-_a-zA-Z0-9]{1,20})$/;
             if (!reg.test(t.disktag_add.value)) {
                 alert(\''.getconstStr('TagFormatAlert').'\');
@@ -313,11 +323,10 @@ function RewriteEngineOn()
 function EnvOpt($function_name, $needUpdate = 0)
 {
     global $constStr;
-    global $commonEnv;
-    global $innerEnv;
-    global $ShowedinnerEnv;
-    asort($commonEnv);
-    asort($ShowedinnerEnv);
+    global $ShowedCommonEnv;
+    global $ShowedInnerEnv;
+    asort($ShowedCommonEnv);
+    asort($ShowedInnerEnv);
     $html = '<title>OneManager '.getconstStr('Setup').'</title>';
     /*if ($_POST['updateProgram']==getconstStr('updateProgram')) {
         $response = json_decode(updataProgram($function_name, $Region, $namespace), true)['Response'];
@@ -339,7 +348,7 @@ namespace:' . $namespace . '<br>
     if ($_POST['submit1']) {
         $_SERVER['disk_oprating'] = '';
         foreach ($_POST as $k => $v) {
-            if (in_array($k, $commonEnv)||in_array($k, $innerEnv)||$k=='disktag_del' || $k=='disktag_add') {
+            if (in_array($k, $ShowedCommonEnv)||in_array($k, $ShowedInnerEnv)||$k=='disktag_del' || $k=='disktag_add') {
                 $tmp[$k] = $v;
             }
             if ($k == 'disk') $_SERVER['disk_oprating'] = $v;
@@ -384,7 +393,7 @@ namespace:' . $namespace . '<br>
         <tr>
             <td colspan="2">'.getconstStr('PlatformConfig').'</td>
         </tr>';
-    foreach ($commonEnv as $key) {
+    foreach ($ShowedCommonEnv as $key) {
         if ($key=='language') {
             $html .= '
         <tr>
@@ -453,7 +462,7 @@ namespace:' . $namespace . '<br>
                 $html .= '
     <form name="'.$disktag.'" action="" method="post">
         <input type="hidden" name="disk" value="'.$disktag.'">';
-                foreach ($ShowedinnerEnv as $key) {
+                foreach ($ShowedInnerEnv as $key) {
                     $html .= '
         <tr>
             <td><label>' . $key . '</label></td>