diff --git a/FlyCube/Api/Controller/LoginController.class.php b/FlyCube/Api/Controller/LoginController.class.php
index f2d09f4..02296f9 100644
--- a/FlyCube/Api/Controller/LoginController.class.php
+++ b/FlyCube/Api/Controller/LoginController.class.php
@@ -47,7 +47,7 @@ class LoginController extends PublicController
             if ($user['tel'] != null) {
                 $user['tel'] = $this->maskPhoneNumber($user['tel']); //用户已经填写过 电话的话 给前端返回 截取替换* 之后的电话号
             }
-            $userInfo = array('token' => $token, 'name' => $user['name'], 'photo' => $user['photo'], 'sex' => $user['sex'], 'tel' => $user['tel'], 'topic_prefix' => $this->makeTopicPrefix($getAuth['openid']));
+            $userInfo = array('token' => $token, 'name' => $user['name'], 'photo' => $user['photo'], 'sex' => $user['sex'], 'tel' => $user['tel'], 'topic_prefix' => makeTopicPrefix($getAuth['openid']));
             echo json_encode(array('status' => 1, 'userInfo' => $userInfo));
         } else {
             //用户首次登录 先进行注册 再分发token给前端
@@ -57,7 +57,7 @@ class LoginController extends PublicController
                 $user = $userDb->find($id); //获取刚刚插入的记录
                 //分发token等用户信息给前端
                 $token = $this->makeToken($getAuth['openid'], $getAuth['session_key']);
-                $userInfo = array('token' => $token, 'name' => $user['name'], 'photo' => $user['photo'], 'sex' => $user['sex'], 'tel' => $user['tel'], 'topic_prefix' => $this->makeTopicPrefix($getAuth['openid']));
+                $userInfo = array('token' => $token, 'name' => $user['name'], 'photo' => $user['photo'], 'sex' => $user['sex'], 'tel' => $user['tel'], 'topic_prefix' => makeTopicPrefix($getAuth['openid']));
             } else {
                 //数据库写入失败
                 echo json_encode(array('status' => 0, 'msg' => '系统出错'));
diff --git a/FlyCube/Common/Common/functions.php b/FlyCube/Common/Common/functions.php
index 685fba9..8dcf2c0 100644
--- a/FlyCube/Common/Common/functions.php
+++ b/FlyCube/Common/Common/functions.php
@@ -1,95 +1,14 @@
 <?php
-/*
- * @Author: 田老师  4021673@qq.com
- * @Date: 2022-05-27 23:52:55
- * @LastEditTime: 2022-05-28 00:45:11
- * @Description: Do not edit
- */
-// +----------------------------------------------------------------------
-// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
-// +----------------------------------------------------------------------
-// | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
-// +----------------------------------------------------------------------
-// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
-// +----------------------------------------------------------------------
-// | Author: liu21st <liu21st@gmail.com>
-// +----------------------------------------------------------------------
 
 /**
  * Think 系统函数库
  */
-
 /**
- * 获取和设置配置参数 支持批量定义
- * @param string|array $name 配置变量
- * @param mixed $value 配置值
- * @param mixed $default 默认值
- * @return mixed
+ * @description: 构建加密 微信用户订阅对应主题的前缀
+ * @param {*} openid 微信用户唯一凭证
+ * @return {*} topicPrefix 主题前缀
  */
-//在线交易订单支付处理函数
-//函数功能：根据支付接口传回的数据判断该订单是否已经支付成功；
-//返回值：如果订单已经成功支付，返回true，否则返回false；
- function checkorderstatus($ordid,$parameter){
-	 $row=M('order')->field('price,status')->where('ordernum='.$ordid)->select();
-	 file_put_contents("w.txt",$row[0]['price']);
-	 file_put_contents("ww.txt",$row[0]['status']);
-     if($parameter==$row[0]['price']){//实际支付与订单价格相等
-            //并且订单未支付 
-			return true;
-	 }else{
-        return false;   
-     }		
-	}
- //处理订单函数
- //更新订单状态，写入订单支付后返回的数据
- function orderhandle($parameter){
-    $ordid=$parameter['out_trade_no'];
-    $data['payment_trade_no']      =$parameter['trade_no'];
-    $data['payment_trade_status']  =$parameter['trade_status'];
-    $data['payment_notify_id']     =$parameter['notify_id'];
-    $data['payment_notify_time']   =$parameter['notify_time'];
-    $data['payment_buyer_email']   =$parameter['buyer_email'];
-    $data['ordstatus']             =1;
-    $datas['status']=1;
-    $datas['price_h']=$parameter['total_fee'];
-	/*******解决屠涂同一订单重复支付问题 lisa**********/
-	if(strlen($ordid)==16){//屠涂修改订单号唯一
-		$ordstatus=M('order')->where('order_sn='.$ordid)->save($datas);
-	}else{
-		$ordstatus=M('order')->where('id='.$ordid)->save($datas);
-	}
- } 
- function i_array_column($input, $columnKey, $indexKey=null){
-		if(!function_exists('array_column')){ 
-			$columnKeyIsNumber  = (is_numeric($columnKey))?true:false; 
-			$indexKeyIsNull            = (is_null($indexKey))?true :false; 
-			$indexKeyIsNumber     = (is_numeric($indexKey))?true:false; 
-			$result                         = array(); 
-			foreach((array)$input as $key=>$row){ 
-				if($columnKeyIsNumber){ 
-					$tmp= array_slice($row, $columnKey, 1); 
-					$tmp= (is_array($tmp) && !empty($tmp))?current($tmp):null; 
-				}else{ 
-					$tmp= isset($row[$columnKey])?$row[$columnKey]:null; 
-				} 
-				if(!$indexKeyIsNull){ 
-					if($indexKeyIsNumber){ 
-					$key = array_slice($row, $indexKey, 1); 
-					$key = (is_array($key) && !empty($key))?current($key):null; 
-					$key = is_null($key)?0:$key; 
-					}else{ 
-					$key = isset($row[$indexKey])?$row[$indexKey]:0; 
-					} 
-				} 
-				$result[$key] = $tmp; 
-			} 
-			return $result; 
-		}else{
-			return array_column($input, $columnKey, $indexKey);
-		}
-    }
-
-
-
-
-?>
\ No newline at end of file
+function makeTopicPrefix($openid)
+{
+	return substr(md5($openid . date("j")), 0, 8); //用户id+当天日 加密 截取前8位
+}