diff --git a/library/think/Cookie.php b/library/think/Cookie.php
index 30ff81d4..78b89786 100644
--- a/library/think/Cookie.php
+++ b/library/think/Cookie.php
@@ -105,7 +105,7 @@ class Cookie
     {
         $prefix = !is_null($prefix) ? $prefix : self::$config['prefix'];
         $name   = $prefix . $name;
-        return isset($_COOKIE[$name]) ? $value: null;
+        return isset($_COOKIE[$name]);
     }
 
     /**
diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 3d1eb166..ae315771 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -856,11 +856,10 @@ class Query
     /**
      * 分析查询表达式
      * @access public
-     * @param string $logic 查询逻辑
+     * @param string $logic 查询逻辑 and or xor
      * @param string|array|\Closure $field 查询字段
      * @param mixed $op 查询表达式
      * @param mixed $condition 查询条件
-     * @param string $logic and or xor
      * @param array $param 查询参数
      * @return void
      */