diff --git a/library/think/Exception.php b/library/think/Exception.php
index ff6e4726..abf32018 100644
--- a/library/think/Exception.php
+++ b/library/think/Exception.php
@@ -15,7 +15,7 @@ namespace think;
  * ThinkPHP核心异常类
  * 所有系统异常必须继承该类
  */
-class Exception extends \Exception 
+class Exception extends \Exception
 {
     /**
      * 系统异常后发送给客户端的HTTP Status
@@ -32,7 +32,7 @@ class Exception extends \Exception
     /**
      * 设置异常额外的Debug数据
      * 数据将会显示为下面的格式
-     * 
+     *
      * Exception Data
      * --------------------------------------------------
      * Label 1
@@ -41,11 +41,11 @@ class Exception extends \Exception
      * Label 2
      *   key1      value1
      *   key2      value2
-     * 
+     *
      * @param string $label 数据分类，用于异常页面显示
      * @param Array  $data  需要显示的数据，必须为关联数组
      */
-    final protected function setData($label, Array $data)
+    final protected function setData($label, array $data)
     {
         $this->data[$label] = $data;
     }
diff --git a/library/think/log/driver/File.php b/library/think/log/driver/File.php
index 6cd01c2d..89eb000a 100644
--- a/library/think/log/driver/File.php
+++ b/library/think/log/driver/File.php
@@ -68,7 +68,10 @@ class File
         foreach ($log as $line) {
             $info .= '[' . $line['type'] . '] ' . $line['msg'] . "\r\n";
         }
-        error_log("[{$now}] {$_SERVER['SERVER_ADDR']} {$_SERVER['REMOTE_ADDR']} {$_SERVER['REQUEST_URI']}\r\n{$info}\r\n", 3, $destination);
+
+        $server = isset($_SERVER['SERVER_ADDR']) ? $_SERVER['SERVER_ADDR'] : '0.0.0.0';
+        $remote = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '0.0.0.0';
+        error_log("[{$now}] {$server} {$remote} {$_SERVER['REQUEST_URI']}\r\n{$info}\r\n", 3, $destination);
     }
 
 }