diff --git a/http/admin/index.php b/http/admin/index.php
old mode 100644
new mode 100755
index 187fc50..3eaf2c6
--- a/http/admin/index.php
+++ b/http/admin/index.php
@@ -2,7 +2,7 @@
   //记录ip
   require_once "../php/get_ip.php";
   //日志
-  clientlog();
+  // clientlog();
 ?>
 
 <!DOCTYPE html>
@@ -49,7 +49,7 @@
         </div>
         <div class="form-group"> </div>
         <div class="form-group">
-          <p>没有注册？ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="../signup.html"> 去注册！</a></p>
+          <p>没有管理员账号？ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href=""> 请联系超级管理员</a></p>
         </div>
         <div class="form-group">
           <input type="submit"  onclick="return signin()" value="登录" class="btn btn-primary">
diff --git a/http/admin/templates_c/e946c83f5008ad3e4c36e999094474b1b760af61_0.file.user_row.tpl.php b/http/admin/templates_c/e946c83f5008ad3e4c36e999094474b1b760af61_0.file.user_row.tpl.php
old mode 100644
new mode 100755
diff --git a/http/index.php b/http/index.php
old mode 100644
new mode 100755
index 3544882..8c26388
--- a/http/index.php
+++ b/http/index.php
@@ -2,7 +2,7 @@
   //记录ip
   require_once "php/get_ip.php";
   //日志
-  clientlog();
+  // clientlog();
 ?>
 
 <!DOCTYPE html>
diff --git a/http/php/admin_signin.php b/http/php/admin_signin.php
index a2ef2c4..3513a0e 100755
--- a/http/php/admin_signin.php
+++ b/http/php/admin_signin.php
@@ -1,4 +1,9 @@
 <?php
+    /*
+     *  管理员登录
+     *  与数据库中的管理员表进行对比
+     */
+
     //登录各种检测
     $username = $_POST['username']; //trim可以去头尾空格
     $password = $_POST['password'];
diff --git a/http/php/admin_signout.php b/http/php/admin_signout.php
index d0c5708..7b42bea 100755
--- a/http/php/admin_signout.php
+++ b/http/php/admin_signout.php
@@ -1,9 +1,13 @@
 <?php
-  //销毁session
-  session_start();
-  session_unset();
-  session_destroy();
+ /*
+ *  管理员登出
+ *  销毁session变量
+ */
+//销毁session
+session_start();
+session_unset();
+session_destroy();
 
-  echo '<h2>退出成功！</h2>';
-  echo '<meta http-equiv="refresh" content="0.5;url=../admin/index.php">';
+echo '<h2>退出成功！</h2>';
+echo '<meta http-equiv="refresh" content="0.5;url=../admin/index.php">';
 ?>
\ No newline at end of file
diff --git a/http/php/admin_signup.php b/http/php/admin_signup.php
index e27bd35..7c4be1c 100755
--- a/http/php/admin_signup.php
+++ b/http/php/admin_signup.php
@@ -1,4 +1,9 @@
 <?php
+ /*
+ *  管理员注册
+ *  新增管理员用户
+ */
+
     //注册操作
 $username = $_POST['username'];
 $password = $_POST['password'];
diff --git a/http/php/back_rental.php b/http/php/back_rental.php
index 98ec2be..515a2db 100755
--- a/http/php/back_rental.php
+++ b/http/php/back_rental.php
@@ -1,5 +1,9 @@
 <?php
-  //还车
+ /*
+ *  还车实现
+ *  将还车的数据加入到数据库中
+ */
+
 
   //计算两日期相差函数
 function diffBetweenTwoDays ($day1, $day2)
diff --git a/http/php/conn_db.php b/http/php/conn_db.php
index f055d81..f1a648b 100755
--- a/http/php/conn_db.php
+++ b/http/php/conn_db.php
@@ -1,19 +1,21 @@
 <?php
 
-    header("content-type:text/html;charset=utf-8");  
+/*
+ *  链接数据库
+ */
+header("content-type:text/html;charset=utf-8");  
 
     //链接数据库
-    $conn = mysqli_connect(localhost , 'rental' , '66778899');
-    if(! $conn )
-    {
-        die('连接失败: ' . mysqli_error($conn));
-        exit;
-    }
+$conn = mysqli_connect(localhost, 'rental', '66778899');
+if (!$conn) {
+    die('连接失败: ' . mysqli_error($conn));
+    exit;
+}
     // 设置编码，防止中文乱码
-    mysqli_query($conn , "set names utf8");
+mysqli_query($conn, "set names utf8");
 
     //选择数据库
-    mysqli_select_db( $conn, 'car_rental');
+mysqli_select_db($conn, 'car_rental');
 
     // echo '链接成功！';
 
diff --git a/http/php/delete_car.php b/http/php/delete_car.php
index 49b6c49..92b2879 100755
--- a/http/php/delete_car.php
+++ b/http/php/delete_car.php
@@ -1,42 +1,43 @@
 <?php
-  //删除车辆
+ /*
+ *  在车辆管理中删除车辆
+ *  从数据库中删除该车辆
+ */
 
-  $cid = $_POST['cid'];
+$cid = $_POST['cid'];
 
   //服务器端判断完整性
-  if (empty($cid)) 
-  {
+if (empty($cid)) {
   echo "<script>alert('数据输入不完整！');history.go(-1);</script>";
   exit;
-  } 
+} 
   
   //连接数据库
-  include "conn_db.php";
+include "conn_db.php";
 
   //先检查该数据是否存在
-  $sql = "select * from car where cid = '$cid'";
+$sql = "select * from car where cid = '$cid'";
   //查询数据库
-  $retval = mysqli_query( $conn, $sql );
-  if(! $retval )
-  {
-      die('1无法读取数据: ' . mysqli_error($conn));
-  }
-  $num = mysqli_num_rows( $retval); 
-  if(!$num)  //没找到的的话
-  {
-    echo "<script>alert('没有找到该车辆！');history.go(-1);</script>";
-    exit;
-  }
+$retval = mysqli_query($conn, $sql);
+if (!$retval) {
+  die('1无法读取数据: ' . mysqli_error($conn));
+}
+$num = mysqli_num_rows($retval);
+if (!$num)  //没找到的的话
+{
+  echo "<script>alert('没有找到该车辆！');history.go(-1);</script>";
+  exit;
+}
 
   //删除
-  $sql_delete = "DELETE FROM `car_rental`.`car` WHERE `cid`='$cid'";
-  $retval = mysqli_query($conn, $sql_delete);
-  if (!$retval) {
-    die('2无法读取数据: ' . mysqli_error($conn));
-    echo "<script>alert('错误！');history.go(-1);</script>";
-    exit;
-  }
+$sql_delete = "DELETE FROM `car_rental`.`car` WHERE `cid`='$cid'";
+$retval = mysqli_query($conn, $sql_delete);
+if (!$retval) {
+  die('2无法读取数据: ' . mysqli_error($conn));
+  echo "<script>alert('错误！');history.go(-1);</script>";
+  exit;
+}
 
-  echo "<script>alert('删除成功！');history.go(-1);</script>";
+echo "<script>alert('删除成功！');history.go(-1);</script>";
 
 ?>
\ No newline at end of file
diff --git a/http/php/delete_rental.php b/http/php/delete_rental.php
index 4f9842d..f33a4fa 100755
--- a/http/php/delete_rental.php
+++ b/http/php/delete_rental.php
@@ -1,4 +1,9 @@
 <?php
+ /*
+ *  在订单管理中删除订单
+ * 在数据库中删除该订单
+ */
+
   //删除订单
 $contractid = $_POST['contractid'];
 
diff --git a/http/php/edit_car.php b/http/php/edit_car.php
index c8babca..7f2621d 100755
--- a/http/php/edit_car.php
+++ b/http/php/edit_car.php
@@ -1,4 +1,9 @@
 <?php
+ /*
+ *  编辑车辆信息
+ * 将编辑后的车辆信息写入数据库中
+ */
+
   //编辑车辆
   $cid    = $_POST['cid'];
   $cplant = $_POST['cplant'];
diff --git a/http/php/edit_rental.php b/http/php/edit_rental.php
index 72583a8..406f1d8 100755
--- a/http/php/edit_rental.php
+++ b/http/php/edit_rental.php
@@ -1,4 +1,9 @@
 <?php
+ /*
+ *  订单管理中编辑订单信息
+ *  更新到数据库
+ */
+
   //修改
 
   //计算
diff --git a/http/php/edit_user.php b/http/php/edit_user.php
index 98ce9c6..40c2afb 100755
--- a/http/php/edit_user.php
+++ b/http/php/edit_user.php
@@ -1,4 +1,9 @@
 <?php
+ /*
+ *  用户管理中编辑用户信息
+ * 更改用户的会员体系
+ */
+
   //编辑用户
   $uid  = $_POST['uid'];
   $isvip  = $_POST['isvip'];
diff --git a/http/php/fixed.php b/http/php/fixed.php
index 9fc0e58..7921273 100755
--- a/http/php/fixed.php
+++ b/http/php/fixed.php
@@ -1,4 +1,9 @@
 <?php
+ /*
+ *  车辆维修
+ * 生成支出价格
+ */
+
   //维修车辆
 
 $cid = $_POST['cid'];
diff --git a/http/php/get_ip.php b/http/php/get_ip.php
old mode 100644
new mode 100755
diff --git a/http/php/go_rental.php b/http/php/go_rental.php
index ed1549c..b29384e 100755
--- a/http/php/go_rental.php
+++ b/http/php/go_rental.php
@@ -1,4 +1,9 @@
 <?php
+ /*
+ *  确认租车订单
+ * 确认信息加入到数据表中
+ */
+
   //确认订单
 
 $contractid = $_POST['contractid'];
diff --git a/http/php/new_car.php b/http/php/new_car.php
index 1e7e437..a611a55 100755
--- a/http/php/new_car.php
+++ b/http/php/new_car.php
@@ -1,4 +1,9 @@
 <?php
+ /*
+ *  新增车辆
+ * 新增车辆信息到数据表中
+ */
+
 //取得数据
   $cplant = $_POST['cplant'];
   $cbrand = $_POST['cbrand'];
diff --git a/http/php/new_rental.php b/http/php/new_rental.php
index aeb4615..023712d 100755
--- a/http/php/new_rental.php
+++ b/http/php/new_rental.php
@@ -1,4 +1,9 @@
 <?php
+ /*
+ *  管理员新增租车订单
+ * 由管理员填写租车订单
+ */
+
   //新订单
 
 $cid = $_POST['cid'];
diff --git a/http/php/users_signin.php b/http/php/users_signin.php
index 0fcd6e5..723c297 100755
--- a/http/php/users_signin.php
+++ b/http/php/users_signin.php
@@ -1,4 +1,9 @@
 <?php
+ /*
+ *  用户登录
+ * 与数据库中的用户表比对并设置SESSION变量
+ */
+
     //登录各种检测
     $username = $_POST['username']; //trim可以去头尾空格
     $password = $_POST['password'];
diff --git a/http/php/users_signout.php b/http/php/users_signout.php
index 1fd36b2..846d71a 100755
--- a/http/php/users_signout.php
+++ b/http/php/users_signout.php
@@ -1,4 +1,9 @@
 <?php
+ /*
+ *  用户登出
+ *  并销毁session
+ */
+
   //销毁session
   session_start();
   session_unset();
diff --git a/http/php/users_signup.php b/http/php/users_signup.php
index 7b05e89..cd576ce 100755
--- a/http/php/users_signup.php
+++ b/http/php/users_signup.php
@@ -1,4 +1,9 @@
 <?php
+ /*
+ *  用户注册
+ * 
+ */
+
     //注册操作
     $username = $_POST['username'];
     $password = $_POST['password'];
diff --git a/http/templates_c/239445a935b3b77340d463542d690fc82b0d6b25_0.file.rental_edit_users.tpl.php b/http/templates_c/239445a935b3b77340d463542d690fc82b0d6b25_0.file.rental_edit_users.tpl.php
old mode 100644
new mode 100755
diff --git a/http/templates_c/b56a6cb775ce515dcd6a9759d5e47a0b4965837f_0.file.rental_row.tpl.php b/http/templates_c/b56a6cb775ce515dcd6a9759d5e47a0b4965837f_0.file.rental_row.tpl.php
old mode 100644
new mode 100755
diff --git a/http/templates_c/f5d7d803bdd7298acd77ec078016b4774e2cdb0a_0.file.rental_edit.tpl.php b/http/templates_c/f5d7d803bdd7298acd77ec078016b4774e2cdb0a_0.file.rental_edit.tpl.php
old mode 100644
new mode 100755
diff --git a/http/templates_c/fd228254344118bba762f433e8dfb0dab032854f_0.file.rental_row_users.tpl.php b/http/templates_c/fd228254344118bba762f433e8dfb0dab032854f_0.file.rental_row_users.tpl.php
old mode 100644
new mode 100755
diff --git a/http/users.php b/http/users.php
index 0bdc9ec..164a19e 100755
--- a/http/users.php
+++ b/http/users.php
@@ -38,7 +38,7 @@
 //记录ip
 require_once "php/get_ip.php";
 //日志
-clientlog();
+// clientlog();
 
 ?>
 
