diff --git a/class/Payjs.php b/class/Payjs.php
index 8a9d4e6..f7c01f6 100644
--- a/class/Payjs.php
+++ b/class/Payjs.php
@@ -89,6 +89,7 @@ class GDK_Payjs
 	public function post($data) {
 		$data   = $this->sign($data);
         $ch = curl_init();
+        curl_setopt($ch, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS );
         curl_setopt($ch, CURLOPT_URL, $this->url);
         curl_setopt($ch, CURLOPT_USERAGENT, 'HTTP CLIENT');
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
diff --git a/framework/metabox.php b/framework/metabox.php
index d3d4dd0..c7f6419 100644
--- a/framework/metabox.php
+++ b/framework/metabox.php
@@ -166,7 +166,7 @@ if (!class_exists('myCustomFields')) {
                 return;
             }
 
-            if (!in_array($post->post_type, $this->postTypes)) {
+            if (!array_key_exists($post->post_type, $this->postTypes)) {
                 return;
             }
 
diff --git a/framework/plugin-options.php b/framework/plugin-options.php
index 74adab3..ea04253 100644
--- a/framework/plugin-options.php
+++ b/framework/plugin-options.php
@@ -155,7 +155,7 @@ break;
                     
                     foreach ($option['options'] as $id => $name): ?>
 		<label>
-			<input type="checkbox" name="<?php echo $id; ?>[]" id="<?php echo $id; ?>[]" value="<?php echo $id; ?>" <?php checked(in_array($id, $checkboxValues), true); ?>>
+			<input type="checkbox" name="<?php echo $id; ?>[]" id="<?php echo $id; ?>[]" value="<?php echo $id; ?>" <?php checked(array_key_exists($id, $checkboxValues), 1); ?>>
 			<?php echo $name; ?>
 		</label>
 		<?php endforeach; ?>
diff --git a/functions/Ajax.php b/functions/Ajax.php
index 0bf969e..8827ca5 100644
--- a/functions/Ajax.php
+++ b/functions/Ajax.php
@@ -65,7 +65,7 @@ function gdk_pasteup_imag()
         $wp_upload_dir = wp_upload_dir();
         $file          = $_FILES['imageFile'];
         $result        = array('success' => false, 'message' => 'Null');
-        if (in_array($file['type'], array('image/gif', 'image/jpeg', 'image/pjpeg', 'image/png'))) {
+        if (array_key_exists($file['type'], array('image/gif', 'image/jpeg', 'image/pjpeg', 'image/png'))) {
             if ($file['error'] > 0) {
                 $result['message'] = 'error';
             } else {
@@ -200,7 +200,7 @@ function add_code()
         add_post_meta($id, 'pay_log', $code, true) or update_post_meta($id, 'pay_log', $pay_log . ',' . $code); //没有新建,有就更新
         $pay_log = get_post_meta($id, 'pay_log', true); //获取新的购买记录数据
         $pay_arr = explode(",", $pay_log);
-        if (in_array($code, $pay_arr)) {
+        if (array_key_exists($code, $pay_arr)) {
             exit('200'); //OK
         } else {
             exit('400'); //NO
@@ -228,7 +228,7 @@ function check_code()
         $code    = trim($code); //清理一下
         $pay_log = get_post_meta($id, 'pay_log', true); //购买记录数据
         $pay_arr = explode(",", $pay_log);
-        if (in_array($code, $pay_arr)) {
+        if (array_key_exists($code, $pay_arr)) {
             exit('200');
         } else {
             exit('400');
diff --git a/functions/Common.php b/functions/Common.php
index 541a593..41c948a 100644
--- a/functions/Common.php
+++ b/functions/Common.php
@@ -185,13 +185,13 @@ function nc_get_translated_role_name($user_id)
 {
     $data  = get_userdata($user_id);
     $roles = $data->roles;
-    if (in_array('administrator', $roles)) {
+    if (array_key_exists('administrator', $roles)) {
         return __('Administrator', 'jimu');
-    } elseif (in_array('editor', $roles)) {
+    } elseif (array_key_exists('editor', $roles)) {
         return __('Certified Editor', 'jimu');
-    } elseif (in_array('author', $roles)) {
+    } elseif (array_key_exists('author', $roles)) {
         return __('Special Author', 'jimu');
-    } elseif (in_array('subscriber', $roles)) {
+    } elseif (array_key_exists('subscriber', $roles)) {
         return __('Subscriber', 'jimu');
     }
 
@@ -226,7 +226,7 @@ function gdk_is_mobile()
 //判断是否是登陆页面
 function is_login()
 {
-    return in_array($GLOBALS['pagenow'], ['wp-login.php', 'wp-register.php']);
+    return array_key_exists($GLOBALS['pagenow'], ['wp-login.php', 'wp-register.php']);
 }
 
 //判断字符串内是否有指定字符串
diff --git a/functions/optimization.php b/functions/optimization.php
index 0565bd7..af10797 100644
--- a/functions/optimization.php
+++ b/functions/optimization.php
@@ -349,7 +349,7 @@ if (gdk_option('gdk_upload_rename')) {
         $ext         = $info['extension'];
         $ignore_exts = ['zip', 'rar', '7z'];
         //被忽略的文件格式
-        if (!in_array($ext, $ignore_exts)) {
+        if (!array_key_exists($ext, $ignore_exts)) {
             $filedate     = date('YmdHis') . mt_rand(100, 999);
             $file['name'] = $filedate . '.' . $ext;
         }
diff --git a/functions/security.php b/functions/security.php
index ffa08be..0dccf1b 100644
--- a/functions/security.php
+++ b/functions/security.php
@@ -170,7 +170,7 @@ function gdk_disable_login_errors($error)
 {
     global $errors;
     $err_codes = $errors->get_error_codes();
-    if (!in_array('too_many_tried', $err_codes)) {
+    if (!array_key_exists('too_many_tried', $err_codes)) {
         // For security reason
         return esc_attr('Access Denied!');
     }
diff --git a/gdk.php b/gdk.php
index 3bf3a5d..0cfa1c8 100644
--- a/gdk.php
+++ b/gdk.php
@@ -10,7 +10,7 @@ Compatible:5.8.1
  */
 
 //万能的开头
-if (!defined('ABSPATH')) {exit;}
+if (!defined('ABSPATH')) exit;
 
 //版本和兼容检查
 function deactivate_myself()