- 修复获取请求IP

src/common.php

@@ -58,19 +58,13 @@ if (!function_exists('get_ip')) {
      */
     function get_ip()
     {
-        $ip = '0.0.0.0';
         if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
             //为了兼容百度的CDN，所以转成数组
             $arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
-            $pos = array_search('unknown', $arr);
-            if (false !== $pos) unset($arr[$pos]);
-            $ip = trim($arr[0]);
-        } elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
-            $ip = $_SERVER['HTTP_CLIENT_IP'];
-        } elseif (isset($_SERVER['REMOTE_ADDR'])) {
-            $ip = $_SERVER['REMOTE_ADDR'];
+            return $arr[0];
+        } else {
+            return $_SERVER['REMOTE_ADDR'];
         }
-        return $ip;
     }
 }